#display fossil nautilus

[neo-jurassica]

When it comes to how #beautiful the fossil is, the Nautilus is on top. 💎 
These #fossils are the shells of a cleoniceras #ammonite and a cenoceras #nautilus. 🐚 
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Follow @neojurassica to see more #prehistoric wonders! 🦕
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🖥 www.neojurassica.com
🦖 Dinosaur Specialists
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#ammonites #fossils #fossil #extinct #evolution #jurassic #jurassicpark #jurassicworld #neojurassica #jurassiccoast #nature #wildlife #naturephotography #geology #science #paleontology #palaeontology #biology #beauty #whimsical #natural #garden #countryside #gems #minerals #wonder
https://www.instagram.com/p/CNkGDkSp9XG/?igshid=1h8jg9x7ceoe1

[peroxidebutch]

A lovely fossil ammonite our Grandmother got us as a gift when she last visited! If you're considering buying a nautilus shell for display- think again! Nautilus are currently being overfished for their shells, but ammonites have been extinct for thousands of years, plus they can have neat patterns and opalization, as displayed here! 🦑🐚

[wisdomrays]

TAFAKKUR: Part 219

Spirals: Windows to Reflective Thought

Spirals and helices are each a work-of-art and they are found in many dimensions of existence, from galaxies filled with billions of stars to the DNA strands, which we can observe with electron microscopes.

One category of galaxies is the spiral; this is dependent on the galaxies’ appearance. The magnetic field of the Sun is also a spiral. Among many things that have a spiral form are the cochlea inside our ears, our navel cord, our fingerprints, the teeth of mammoths, elephant trunks, some spider webs, the horns of some goats, cluster of sunflowers, thousands of types of mollusks, the pattern in which subatomic particles move, plus many more examples. Grapevine shoots, ivy, some microorganisms, and the positioning of some leaves around their branches are in the form of a helix. Nature displays brilliant examples of spiral and helix forms over a wide spectrum, ranging from fossils to galaxies. Below we will discuss some of them:

THE ARCHIMEDEAN SPIRAL

Named after its discoverer, this spiral is the geometrical location of a point which moves across a line turning around a fixed point at the speed of q and with a straight angle (Figure 1). The equation for the polar coordinates is p=aq. The distances between the curves are equal. A good example of this type of spiral is the spider web constructed with equal distances from the center.

THE EQUIANGULAR (LOGARITHMIC) SPIRAL

This spiral type was defined by Descartes in 1638. In an equiangular spiral, any line that crosses the center cuts through all coils of the curve (Figure 2). The equation for polar coordinates is Inr=a.q or r=ea.q. Sea shells and the shells of snails are formed with this spiral.

FIBONACCI NUMBERS AND THE GOLDEN RATIO

The following numbers, the sequence of which is made by adding the last two numbers together, are known as Fibonacci numbers: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, … In other words, each number is the sum of the preceding two numbers. Let us divide each number with the preceding one and write down the quotients:

1/1=1; 2/1=2; 3/2=1.5; 5/3=1.666…; 8/5=1.6; 13/8=1.625; 21/13=1.615...; 34/21=1.619...; 55/34=1.6176...; 89/55=1.618…

If we continue to divide in this way, we will reach a mathematical constant, i.e., 1,618034, which is known as the golden ratio (φ).

Let us now draw a new geometrical shape with the Fibonacci numbers. Next to a 1-unit side square put another square that has equal dimensions. Then add another square, this time equaling the sum of the sides of the previous two (2 units). As we continue to add new squares with double the units of the previous two we get what is called the Fibonacci or golden rectangle. When we draw an arc from one corner of this rectangle to an opposite corner and continue drawing through neighboring squares, as in, we will get a spiral. A good example of this is the nautilus shell. The golden rectangle and the spiral is frequently used in fine arts, architecture, and technology.

THE HELIX

The space curves that coil around a cylinder and cut through its main axis at a right angle is called a cylindrical helix. An ivy plant climbs a tree in a helix, and a helix is the shortest distance to a certain height. The Selimiye Mosque, Edirne, Turkey, features one of the best examples of helices in architecture. The architect Sinan designed the minarets of this mosque with three balconies, which are reached via different stairs that have no connections between them.

THE 3D ARCHIMEDEAN SPIRAL AND THE LOGARITHMIC SPIRAL (HELICO SPIRALS)

Conical helices are the space curves that coil around a right cone and cut through its main axis at a right angle. Sea snails, or limpets, have this spiral shape .

GALAXIES AND HURRICANES

Galaxies and hurricanes are also spiral in shape and they have some similar features. Sharing the Stamp of Unity, the law of which governs the entire universe, both galaxies and hurricanes are affected by major forces, like the force of gravity, angular momentum or rotation.

Spiral galaxies are divided into two categories: elliptical and barred spiral galaxies. Barred spiral galaxies have arms that extend away from the main core.

(As evidence for a people open to belief) We have assuredly set in the heaven great constellations, and We have made it (the heaven) beautiful for those beholding. (Hijr 15:16)

THE NAUTILUS: A WONDER OF CREATION

The hard shell of the nautilus has a beautiful logarithmic spiral shape. Each coil is at a distance from the next at an increasing proportional distance, each coil is multiplied by a constant. The chambers in the shell are similar, but they widen in a geometric sequence. It is amazing that calcium carbonate, the material that makes up the shell, can accumulate in such a way so as to comply with this geometrical pattern. In this pattern, the nautilus occupies the least space that is possible, thus losing as little heat as possible. Architects have been inspired by the nautilus to produce designs to use the smallest possible space to contain the most possible room.

THE COCHLEA

The cochlea in our ears is like a double-ramp tunnel coiled upon itself. Etymologically, the word cochlea comes from a Greek word that means snail. The spiral shape of the cochlea reminds one of sea shells.

HORNS

Horns of the sheep and goats have the shape logarithmic spiral; they grow in the form of helicoids, as if coiling around a cone.

THE ROSE

The leaves of a rose are lined up and shoot out in a spiral shape.

Spirals open for us gateways to thought in our efforts to explore the wisdom and beauty that have been set in motion in the universe and are constantly maintained. Spirals, like other living or non-living objects or beings around us, are exquisite works of art that point to the fact that nothing exists from coincidence. Looking through a telescope to a marvelous galaxy in outer space or examining a sea shell on the beach or holding a rose in the spring may become a rewarding act if we contemplate on their Fashioner, for such “contemplation for an hour is worth voluntary prayer for a year.”

[carnegiemuseumnaturalhistory]

The Largest Snail I Have Ever Seen

An inquiry came in (with the subject line: urgent snail question) asking, “How big is the biggest snail you've ever seen?” Thinking that others might be interested, here is my answer.

The largest snail? There could be many ways of answering that question. Size could refer to length, diameter, volume, or mass. The longest mollusk I have seen is the giant squid on display at the Smithsonian, but that is a cephalopod, not a snail, and it doesn’t have a shell. The largest shell I have seen is a fossil ammonite that was more than 2 meters in diameter, but that is also a cephalopod, not a snail, and maybe fossils are not acceptable for this answer. 

The largest modern shell I have seen is that of a giant clam, but that is a bivalve, not a snail. The largest bona fide snail I have seen could be the snail in the Dr. Dolittle movie that carried Dr. Dolittle under the sea, but movies don’t always depict reality (sorry), so maybe that one doesn’t count. Another large snail I read about is a fossil sea snail from the Eocene Epoch (34-56 million years ago) called Campanile giganteum, which grew up to 1 meter long (Houbrick, 1984). But I haven’t actually seen one, which is really what you asked, and maybe you don’t want to include fossils.

Real answers start here. I would have to say the largest modern snail shell I have seen is that of the Australian sea snail Syrinx aruanus (which gets up to 91 cm long). The two largest shells of that species I have seen are at the Delaware Museum and the Philadelphia Academy, both of which were shorter than 91 cm; I didn’t measure them, but my memory suggests they were probably 65 to 75 cm long, which is pretty big for a snail! Given that slugs are also snails (gastropods), there are reports of slug-like sea hares (family Aplysiidae) whose bodies can get nearly a meter long, but the longest one I ever saw was around 25 cm long, so the Syrinx still wins for what I have seen. Another way to answer your question about largest is not longest but instead greatest volume. For that, the sea snail Melo melo might have the greatest volume (although it’s possible a large Syrinx might also win at volume, I’m not sure).

Syrinx auruanus by Bill & Mark Bell is licensed under CC BY-NC-SA 2.0 .

Then again, given that my specialty is land snails, you might be asking about the largest land snail I have seen. That would be the giant African snails in the family Achatinidae. I have seen plenty of living Achatina fulica, with shells up to about 12 cm, but I have seen shells of larger species, such as Achatina achatina and Archachatina marginata. Note that we do have some large snails native to South America in the family Strophocheilidae (including a very large extinct one), but the giant African snails are larger.

Giant african land snail by Steve Slater (used to be Wildlife Encounters) is licensed under CC BY 2.0 . Shell estimated to be 10-15cm (4-6 inches) long.

Or maybe today is opposite day and you are really asking about the smallest snail I have seen. Although I do know about a minute sea snail, Ammonicera minortalia, at 0.4 mm diameter reported to be the smallest snail in the United States (Bieler & Mikkelsen 1998), I have never seen one. If you mean land snails, I recall that Wenz (1938-1944) reported some land snails in the family Diplommatinidae to be 0.5 mm, although I have not seen any Diplommatinidae that small, and I wonder if Wenz was reporting shell diameter rather than maximum dimension (most Diplommatinidae are taller than wide). (On the subject of narrow snails, I have seen the minute Carychium nannodes, which is only 0.4 mm diameter, but it is about 1.4 mm tall.) I do know some tiny snails from east Asia got a lot of press a few years ago for being able to fit into the eye of a needle (Páll-Gergely et al. 2015), and at 0.8 mm in greatest dimension, they are certainly minute, but again, I have never seen one.

The smallest adult land snails I have seen are either Punctum minutissimum or Guppya sterkii, both on the order of 1 mm diameter. Of course, their babies are even smaller, and I have seen babies of both those species, especially of P. minutissimum. Amazingly, Punctum minutissimum appears to be one of the most abundant land snails in northeastern North America, but it is rarely noticed due to its minute size.

Punctum minutissimum. Shell 1 mm (1/25 inch) diameter. 

To recap (and more directly answer your question), the largest snail shell I have seen is Syrinx aruanus, the largest land snail shell I have seen is one of the giant African land snails, the largest living land snail I have seen is Achatina fulica, and the smallest land snail I have seen is babies of Punctum minutissimum.

Timothy A. Pearce, PhD, is the head of the mollusks section at Carnegie Museum of Natural History. Museum employees are encouraged to blog about their unique experiences and knowledge gained from working at the museum.

References

Bieler, R. & Mikkelsen, P.M. 1998. Ammonicera in Florida: notes on the smallest living gastropod in the United States and comments on other species of Omalogyridae (Heterobranchia). The Nautilus 111(1): 1-12.

Houbrick, R.S. 1984. The giant creeper, Campanile symbolicum Iredale, an Australian relic marine snail. In: Eldredge N. & Stanley S.M. (eds.), Living Fossils. Casebooks in Earth Sciences. Springer-Verlag, New York.

Páll-Gergely, B., Hunyadi, A., Jochum, A. & Asami, T. 2015. Seven new hypselostomatid species from China, including some of the world’s smallest land snails (Gastropoda, Pulmonata, Orthurethra). ZooKeys 523: 31–62. doi: 10.3897/zookeys.523.6114.

Wenz, W. 1938-1944, Gastropoda, Teil 1, Allgemeiner Teil und Prosobranchia. In: Schindewolf, Handbuch der Palaozoologie, v. 6. Borntraeger, Berlin. vii + 1639 p.

[encyclopika]

Animal Crossing Fish - Explained #20

Brought to you by a marine biologist that still can’t believe we did ten of these, and holy crap here’s number twenty!...

Fish I’ve Covered: Click Here

Number 20, guys! WOW. Thanks all for following along. I figure here’s a great opportunity to cover one of the marine fossils and talk about something that isn’t a fish. I’ve been hearing rumors that Diving may come back to Animal Crossing, and that makes me real excited, since we’ll have so many more invertebrates to cover! In the meantime, let’s cover this one, an extinct relative of the cephalopods, the Ammonites:

The Ammonite fossil comes in just one piece, and it’s displayed as a single spiral shell on the left side of the first room in the fossil section of the museum. The left side is where all the invertebrates go, and honestly, that really gives people the wrong idea about life on Earth. I’ll rant about that another day, but if you know how to read a phylogenetic tree (the pattern on the floor) then you’ll see AC:NH put the Ammonite as the closest relative to a squid in a glass jar. That’s totally correct!

I really, really hope y’all let Blathers blab to you about the Real Facts(tm) about the stuff you donate to him, because he’s usually right about it! In AC: New Leaf, Blathers tells us that the Ammonite, as strange as it would seem, is more closely related to its shell-less cousins, the octopus and squid, than it is to the living shelled cephalopod, the nautilus. Here’s a prehistoric reconstruction (a scientific illustration about what the science and an artist think an extinct animal looked like in life) of an Ammonite by artist Mark Witton:

And here’s a living nautilus species, remember, not as closely related to the above as squids/octopuses are:

They look the same, but are totally different animals. Nautilids are thought to have appeared during the Cambrian while Ammonites appeared much later during the Devonian. It’s actually kind of difficult to find accurate illustrations of Ammonites, since for a long time, scientists also figured they had to be closely related to the nautilus. But, no, sorry, nature doesn’t make things easy. Those many, many sucker-less tentacles and the fleshy hood over the pin-hole eye is a definitely nautilus thing. Ammonites were found to have tiny teeth on their radula (a rasping tongue we know snails use to scrap food off hard surfaces) which is what octopuses have. That discovery put Ammonites and Octopuses/Squids closer together than either was to the Nautilids.

They also led completely different lives that spoke to incredible diversity and tragedy for the Ammonites. In New Horizons, Blathers tells you that Ammonite fossils are what we call “index fossils”, meaning that we can double check the time frame of other fossils more precisely by comparing where/when certain Ammonite species are discovered in the rock strata. That’s because Ammonites were insanely diverse. They evolved quickly thanks to their live fast/die young lifestyle, called “r-selection” if you want to get real college-level biology in this joint. Other animals that live this way are mayflies, mice, and of course, living squid species, among many others. It allows for many generations to pass in a short amount of time, with lots of offspring, and it makes it very easy to adapt to quick changes in the environment and bounce back from bad luck. Unfortunately, if you pair that kind lifestyle up with some bad limitations (like limited geographical spread and having a specific kind of food) one day, a catastrophe will get you, and that’s what happened to the Ammonites. 

At the end of the Cretaceous Period, a giant space rock slammed into the Earth and killed all of the non-avian dinosaurs from the hell it wrought. But the dinos were far from the only poor bastards to get knocked out from this - the impact also caused acid rain, causing widespread ocean acidification that annihilated most shelled organisms living in shallow, surface waters, as the Ammonites did. These acidic seas dissolved their offspring as well as killed off a lot of the plankton they relied on. Although they survived somewhat into the Paleogene, of the Age of Mammals, it wasn’t long after that they finally kicked the bucket. 

As for the nautilus? He was chillin’ in the deep sea, scavenging off whatever he could find, living a slow, long life, holding off on offspring until conditions were better. Now the Nautilus is here and the Ammonites ain’t.

And there you have it. Fascinating stuff, no?  

[natural-selections]

These stunning Cleoniceras ammonite fossils date back to the Cretaceous period and were found in Madagascar! They have had skulls carved into them, making them into quite unique display pieces. Worldwide shipping is available! We are asking $25CAD (~18.95USD), buy them now on www.SkullStore.ca or in-store Thursday-Sunday (12-6pm) at 1193 Weston Rd, Toronto. Though they are more closely related to coleoids (squid, octopus, etc), these extinct critters resemble the modern day nautilus - their shells are also filled with spiralling chambers that aided in controlling their buoyancy. 

[fossilera]

8" Polished Cleoniceras Ammonite Fossil 

This is a large, 8" wide polished ammonite from Madagagascar of the genus Cleoniceras. It is absolutely gorgeous, displaying the distinctive suture pattern of the Cleoniceras genus. This 110 million year old ammonite is truly a natural work of art and is very displayable on the included display stand. Ammonites were predatory mollusks that resembled a squid with a shell. These cephalopods had eyes, tentacles, and spiral shells. They are more closely related to a living octopus, though the shells resemble that of a nautilus. Ammonites appeared in the fossil record about 240 million years ago and they barely survived several major extinction events. The last lineages disappeared 65 million years ago at the end of the Cretaceous.

For sale at: https://www.fossilera.com/fossils-for-sale/madagascar-ammonites

[skullis-crystal-skulls]

Lituites Carved Elongated Mayan Alien Crystal Skull

Lituites fossils like this are from an extinct nautiloid genus from the Middle Ordovician period, about 458 to 470 million years ago, about the same time land plants appeared. By the time the first ammonites appear in the fossil record, about 400 million years ago, the lituites genus had come and gone. As juveniles, lituites had coiled shells, however when reaching adulthood they continued their growth in a mostly straightened direction. The adult animal was considered to occupy part of the coiled section of the shell as well as the entire portion of the straight length of the shell. Whereas the ammonites were more closely related to modern octopi, cuttlefish, and squid, the lituites genus members were in the nautiloid subclass, and the modern six living species of nautilus are the only surviving close relatives of these long gone fossils. It is speculated that the lituites inhabited shallow water areas of the ocean.

Here a lengthy fossil specimen lends itself perfectly to our elongated, Mayan, alien crystal skull design. A rich brown matrix of fossilized seabed is polished to a glossy finish beneath a beautifully displayed lituites fossil. Deep eye sockets and intricately detailed teeth balance the natural spiral at the other end of the sculpture. A stunning variation on this already fascinating crystal skull design, this single piece sculpture is carved from a solid specimen from Madagascar. Measuring 5.2x1.7x2.0 inches (132x42x49 mm) and weighing 12.1 ounces (343 g). Visit Skullis.com to see all the pictures and information about this beautiful lituites fossil crystal skull sculpture.

[captainlenfan]

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Product Description

5 Pcs  Steel Morgan Dollar

Materia: steel  plated silver

Quantity:5pcs

Size:3.8cm

They are magic coins that can be attracted by magnets

Package Included: 5 Pcs  Steel Morgan Dollar

Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please allow a little size error due to manual measurement.

Conversion : 1 inch = 25.4mm or 1mm = 0.0393 inch

Notice:

1. Please allow 1-3mm error due to manual measurement.

Please make sure you do not mind before you bid.

2. The colors may have different as the difference display, please understand.

Pictures: Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures, but not the same performance on different bodies as on the model. Thank you and happy purchase!

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We offer our customers amazing savings compared to prices offered by traditional retailers for similar or identical products.

We provide native-speaking customer service in English

We only accept PayPal. It is the only online payment method we accept.

Please make sure you have a valid/confirmed PayPal account prior bidding. All PayPal Payments must be Confirmed (Shipping and billing addresses must match).

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Standard Service takes about 3-5 business days 

Our goal is to answer all customer emails within the same business day. Responsible and Accessible.

Our Customer Service Department will answer your emails within 24 hours .

        If you have questions, please feel free to email us or by clicking on the contact seller link.

Customer Service Hours are Monday – Saturday from 9am – 9pm Beijing Standard Time

About Us

We offer our customers amazing savings compared to prices offered by traditional retailers for similar or identical products.

We provide native-speaking customer service in English

Payment

We only accept PayPal. It is the only online payment method we accept.

Please make sure you have a valid/confirmed PayPal account prior bidding. All PayPal Payments must be Confirmed (Shipping and billing addresses must match).

Payment must be made within 8x24hrs of the auction end time.

Shipping

We ship Monday – Saturday excluding holidays. Please send us an email BEFORE your payment if you wish to change shipping address.

Standard Service takes about 3-5 business days 

Contact Us

Our goal is to answer all customer emails within the same business day. Responsible and Accessible.

Our Customer Service Department will answer your emails within 24 hours .

        If you have questions, please feel free to email us or by clicking on the contact seller link.

Customer Service Hours are Monday – Saturday from 9am – 9pm Beijing Standard Time

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[neo-jurassica]

On the snout of this sea dragon lies a Cenoceras Lineatum, a #Jurassic nautilus. 🐚 
This #fossil is approximately 160 #million years old and was found in Dorset along Britain’s #JurassicCoast. 🇬🇧 
.
Follow @neojurassica to see more #prehistoric wonders! 🦕
.
🖥 www.neojurassica.com
🦖 Dinosaur Specialists
🦴 Genuine Fossils
⚙️ Display Customisation
🚚 Free UK Delivery
✈️ International Delivery
.
#nautilus #fossils #fossilhunting #fossilprep #palaeontology #paleontology #paleobiology #geology #science #nature #naturalhistory #mystery #enchanted #seadragon #mythical #ichthosaur #garden #naturalhistorymuseum #evolution #extinction #jurassicpark #scultpure #antique #archaeology #neojurassica
https://www.instagram.com/p/CLwbSlcpycn/?igshid=r3yqlrbq428p

[luxsear-blog]

This stunning cut and polished ammonite pair come from Madagascar. Ammonites are an extinct group of sea creatures. This ammonite, a Cleoniceras, was thriving during the Cretaceous Period approximately 110 million years ago. The ammonite shells are cut in half to display the beautiful mineralization which has occurred within their growth chambers. This decorative Ammonite Fossil has been cut and polished to reveal the spectacular mineralization of the flotation chambers.  Ammonites have intrigued and fascinated humans for thousands of years. Many cultures - from Australian aboriginals to the ancient Egyptians - collected and treasured these prehistoric and beautiful fossils. Perhaps their lure has something to do with the Fibonacci spiral pattern of their shell, which mirrors the galaxies.  Now available at www.luxseardecors.com/ #marine #reef #nautilus #aquarium #coastal #homedecor #interiordesign #sea #beach #beaxhparty #madagascar #fecor #accessories #style #instagood #quotes #wedding #kids #wedding #underthesea #party #ammonite #fossils #collectorsitem (at Perth, Western Australia) https://www.instagram.com/p/BxtIsQzl90p/?igshid=1buezaieeqmwo

[galacticbugman]

Fossil Collecting

As far back as I can remember I have always been one for collecting things. From models, toys, stamps, coins, you name it I may have collected it. However some of my favorite things to collect are indeed fossils. I have always been kind of a rock-hound; shoot my whole family collects rocks, shells, and things like that. As for me I have always spent time collecting fossils and getting to appreciate the orgasms of prehistory. Allow me to show you some of my fossils from my own little collection that I have collected over the years. It is not much but it is a nice little collection but it has a lot of offer. 

Here is one of my most prized fossils I have collected over the years. Now sometimes I look for them and sometimes I will buy them it just depends on price and what it is. This is one I bought like I posted earlier from Inner Space Caverns and it is a Megalodon Tooth. As you know I have a thing for sharks. Sharks are really amazing to study. This is a pretty good sized tooth segment. I am still looking for a display case where I can display my fossils on stands and things so that way they are out where I can see them when I walk past. This one is one of my favorites in my tiny collection. I have more shark teeth but this one is the largest I have by far. It was the largest fish in the sea at one point that is why its teeth are so large. 

Here is Charlie who I got at the Rocky Mountain Dinosaur Resource Center. I got him when I turned 13 on my last trip to Colorado. My what a trip that was. This was one of the coolest fossils in my collection. Most of my fossils come from the ocean or inland sea variety. I am an avid collector of ocean things so it is no wonder really. I also have some polished petrified wood in the collection. I am still looking for more pieces in my collection but it is growing at a slow but steady pace. Charlie is the only full fish I own. I called this fish charlie after Charlie Tuna. This fish is really interesting to look at. He is a couple of inches long and in really good condition. Some of the spinal cord has some vertebra missing but he is mostly there. He was the most complete fish in the fossils that were up for sale there. I think this was a really good purchase for a fossil. 

    Some really small Trilobites I found at Mineral Wells Fossil Park in Mineral Wells Texas. If you have a chance to go there definitely take it. The place may look like just a hole in the ground but you can find a king’s ransom in fossils that are from the Pennsylvanian Period. The whole area where the fossils are was once and inland sea. These were the only two I found that day. I have not been there in a few years but I am hoping to go back sometime in the near future to go and look for more things and to see if I can’t find anything new. Trilobites are one of my favorite fossils. I also love the Fossil Pokemon Kabutops so that is why I have a fondness for these. These are fairly small and not like some you can collect at other places. Most of the fossils at the Mineral Wells fossil site are pretty tiny and you have to literally get on your hands and knees to find these fossils. In a bit I will give you some tips on how to prepare for your own fossil hunting trip. 

A cool Ammonite I purchased around the same time as my fish fossil when I was on my last Colorado trip. We went up to a rock shop in the mountains when I found this in a glass case. It only cost me about eleven bucks but the specimen is amazing. These are related to the octopus and the squid. These closest living thing to these creatures today is the creature known as the Chambered Nautilus. The nautilus is a really cool creature. It is kind of accident prone since they mainly swim backwards all of their lives. They can’t see where they go half the time and often run into rocks. I am sure life was the same for these fellas. Ammonites can range to being really small to as big as a small child or bigger. These are super cool and were the food source creatures such as Ichthyosaurs and pleisosaurs and other marine reptiles. These are really cool and another one of my favorite types of fossils. 

Some Sea Lily or Crinoid parts. Both shots are of the spinal cord section (first shot) are the individual spinal disks. Notice the shapes of the center don’t they remind you of the flowers on Spongebob Squarepants? That is what they look like to me. I find these really fun to collect. I have a necklace made from Crinoid spinal cord. These are what I call nature’s beads and I found these at Mineral Wells Fossil Park. These are really cool to collect. I have a few of the cup sections which would sit on top of each stalk. These guys would often time branch out and are closely related to Sea Anemone’s of today. These on the site are fairly small but most of the other stuff is quite small. Mostly Pennsylvanian Period fossils tend to be fairly small compared to other fossils in the timeline. These are some of my best pieces in my collection. Still have yet to make another trip out there to see if I can’t find any of their ancient shark teeth. They have one type of shark tooth out there that is kind of hard to find and I was not that lucky to find one. Next time I go I am bringing a sifter and a shovel to see what else I can manage to dig up. 

   A few more fossils I found at Mineral Wells Fossil Park were these Brachipods. These guys are a kind of bivalve creature. I am not sure which type they are but you can find quite a few of these on the site.

 A couple more from the Mineral Wells collection. These are a few prehistoric snails or something. I have not had the time to ID these to the fullest but judging by their shape and size they are some type of ancient snail. I don’t have that many snail fossils but I do have quite a few shell fossils in my collection. Almost the whole collection I have is composed of prehistoric sea life which tend to be the most common fossils you can collect. Texas has some really good places to find fossils but you have to know where to look. Tandy Hill Nature Area is a place I visit on occasion and even though you can’t take anything out of the park I still take photos of fossils to add to my photo fossil collection. Hey sometimes pictures are the best alternative to having something and I take plenty of them.

So basically that is my fossil collection’s best bits and pieces. I hope you enjoyed the photos. I have more but I find these to be the best ones to talk about when I am sharing with people.  Fossil hunting is fun and sometimes just bringing a shovel, a kneeling pad, magnifying glass, gloves, (on some digs) a hammer, chisels, toothbrush, and collection jars are the essentials to have when out on a dig. Don’t forget weather and dig appropriate attire is always a plus and sunscreen. I don’t do too much fossil hunting but I do love to have that kind of adventure from time to time. I have a lot of fun on digs and find some of the coolest things. I have been collecting since I was just a small boy. My first dig I ever went on was out at Eagle Mountain Lake here in Texas and my love for fossils and understanding what life must have been like back then has only grown. I am kind of a jack of all trades when it comes to nature. I am a birder, insect hunter, fossil and rock hound, you just can’t study one thing without dabbling in all the other stuff. It is all connected and doing this will allow you to understand the nature world as a whole. You gain a better knowledge of how animals adapted and evolved. So it is pretty fun to learn about all aspects of nature. I love my time in nature and every time I go out I always have the time of my life. Nature is an important facet in my life and I love to get out and explore it. 

So until we meet again my friends I am Zachary AKA Galactic Bug Man and I will see you on my next adventure... See you on the trail!  

[sciencetoastudent]

Happy #MesozoicMonday / #MolluscMonday / #MarineBiologyMonday / #ScienceMonday! We call the Mesozoic the Age of Reptiles, but don't forget about ammonites! These beautiful shells housed a nautilus-looking cephalopod named after the Egyptian god Ammon due to their resemblance to Ammon's coiled ram horns. Ammonite fossils span the globe in abundance and range from pea sized to a span of the height of a human! Specimen on display @thankspoint #paleontology #science #usofscience #fossil #fossils #biology #zoology #animal #animals #geology #marinebiology #ammonite #sea #ocean #prehistoric #thanksgivingpoint #museumofancientlife #museum #saltlakecity #utah #cephalopod #mollusk (at Museum of Ancient Life at Thanksgiving Point)

[biofunmy]

Tefaf Shakes Things Up With Cross-Collecting

When the European Fine Art Fair arrived in New York and set up in Park Avenue Armory four years ago, it was enough to be exactly what it was: a fair that boasted European old master paintings and antiquities and catered to museum curators and high-end connoisseurs.

Several years in, Tefaf is examining its clientele and tweaking its game plan. Among many of its 90 vendors, “cross-collecting,” or assembling private collections of art from different eras and categories, is a trend now, and Tefaf has responded by including 7 collaborative booths on its upper floor. Here, modern or contemporary art is displayed alongside ancient artifacts or Renaissance works in jarring, imaginative and sometimes radical ways. (It’s long been a signature of Axel Vervoordt, the antiquarian, designer, and founder of his Belgium-based company.)

France grabbed the world’s attention when Notre-Dame cathedral caught fire in April. Cultural programming feels particularly French-focused this year, with a report on Sunday for plans on rebuilding Notre-Dame; a panel on early 20th-century French fashion; and the American premiere of “Decoding Da Vinci,” a film co-produced by the Louvre Museum commemorating the death of Leonardo 500 years ago — while in the employ of the French court of King Francis I.

For aficionados and collectors of Chinese and Latin American art, these works are the subjects of panels (though not much represented in the fair itself). The educational offerings, titled Tefaf Afternoons and Tefaf Coffee Talks, sound casual, but they are helmed by experts, the same way every object in the fair is vetted by specialists, including other dealers. At $55 per single-entry ticket ($25 for students), Tefaf is an investment, both in time and money, but the assumption is that you can afford it.

The collage aesthetic — juxtapositions of diverse and seemingly unrelated elements — has reached the art fair format. If you don’t mind the mixing of media, millenniums and cultural mind-sets, this is a good thing. A standout pairing is the contemporary art dealer Sean Kelly and the antiquities dealer Charles Ede (Booth 210). Among their smart displays are a photograph of the artist Marina Abramović, her face covered in honey and gold leaf to recreate a Joseph Beuys performance from the 1960s, next to a 2nd or 1st century B.C.E. Hellenistic head of a man, carved with parted lips and a bulging brow that suggests he was a powerful orator. Next door, Benappi, Mehringer, and Cortesi (Booth 211) are showing mid-20th-century European modern painting with Spanish renaissance sculpture. The Peruvian-born, Milan-based artist Jorge Eielson (1924-2006), who stretched and tied portions of his canvases into knots, can be found behind a 16th-century walnut sculpture of the hermit Saint Jerome by Juan de Valmaseda, suggesting wildly different approaches to dynamism in art.

Decorative Arts

Originally, Tefaf New York showed contemporary art in the spring and decorative arts in the fall. Contemporary art has clearly infiltrated this edition of Tefaf — a sign of its viral popularity — but furniture, silver and other decorative objects are well represented. A pair of 17th-century Japanese screens at Gregg Baker (Booth 353) feature a fall scene and a cherry tree made of blossoms created from crushed abalone shells. Burzio (Booth 336) has a hulking Italian table made around 1600 for the Alessandri family’s palace in Florence. Lavishly inlaid with coral, lapis lazuli and marble, and with gilt wooden legs, the table is a none-too-subtle display of the family’s wealth and power.

A wrought iron fireplace hood designed in the 1880s by Louis Comfort Tiffany for his East 72nd Street home, and then his Long Island estate — accented with distinct Japanese motifs — is at Lillian Nassau (320), while the French dealer J. Kugel (Booth 301) has a deliciously funky, mid-17th-century vessel by Hans Clauss of Nuremberg from a nautilus shell and gilt silver and featuring the Roman god of the sea, Neptune, grasping a seashell in his hand. Holding down the modern end, Anne-Sophie Duval (Booth 203) has a 1930 cream-colored leather armchair with ebony legs designed by Jean-Michel Frank, who combined raw materials with cool, classical lines to create a new minimal aesthetic.

Visionaries

In an age when fantasy and post-truth serve as refuges from nastier realities, there has been a perceivable spike in visionary art. Tefaf is liberally sprinkled with masterful proponents of this trend, throughout history. A fantastic allegory of “Ignorance, Envy and Jealousy” (1837) by the British Royal Academy painter James Ward is at French & Company (Booth 312). Complete with snakes, monsters, a shimmering rainbow and Truth (a statuesque woman) dressed in white, the canvas, which once belonged to the Royal Shakespeare Company, might have been considered academic kitsch a few decades ago. In our era, however it looks like a deliciously hallucinogenic mash-up of William Blake and internet emojis. Dreams and hallucinations were also near and dear to Surrealism, and Max Ernst provided some of its strongest images. A 1939 painting by Ernst of poplar trees at Galerie Thomas (Booth 308) makes foliage look like fossilized megaliths.

Notable Women

The hallway at the Armory is lined with color photographs by the Amsterdam-based photographer Carla van de Puttelaar of important women in the art world, including collectors, curators and other luminaries. A couple of female artists — not unknown, but certainly underrecognized — to look out for include the sculptor Germaine Richier at Galerie de la Béraudière (Booth 104) and Agnes Pelton at Bernard Goldberg (Booth 102). Richier’s sculptures somewhat resemble those of Alberto Giacometti. Like him, she was a student of Antoine Bourdelle (who was, in turn, a student of Auguste Rodin). Richier’s 1956 sculpture of a couple at Béraudière shows her technique of displaying brass with no patina, so it looks almost like gold.

In Pelton’s diminutive canvas “French Music” from around 1917 at Goldberg, sprites and spirits swirl through the lower regions. Pelton could be filed under visionaries: Her work tried to fuse color, sound and vision with occult shadings. The little work here serves as an appetizer to a retrospective of Pelton at the Whitney Museum that will be held in the spring, when Tefaf arrives again.

TEFAF NEW YORK FALL

Nov. 1-5; Park Avenue Armory, Manhattan; tefaf.com.

Sahred From Source link Arts

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[flatpyramid-blog]

Ammonite with complete underwater scene 3D Model

Ammonites were marine cephalopod molluscs.they first appeared in the early Devonian period. Their widely-known fossils show a ribbed spiral-form shell, in the end compartment of which lived the tentacled animal. These creatures lived in the seas from at least 400 to 65 million years ago. They became extinct at the same time than dinosaur. Their nearest living relatives are the octopus, squid, cuttlefish and Nautilus. IN 3D STUDIO MAX VERSION ONLY ----------------------------- 3 version included : -Ammonite with complete underwater scene render with mental ray (Exactly the same than main Presentation picture) -Ammonite with complete underwater scene render with standard materials + scanline render. -Amonite with mental ray materials and light in a simple scene without underwater objets. All object displayed in underwater scene are present into 3ds Max archive (rock, sand floor, shell, urchins etc..) algae are made with hair and fur modifier The topology is clean, mainly quad and suitable for all use (animation, presentation game...) Textures are hand made For all formats (native + exchange) : .obj, Fbx, Stl ----------------------------------- The topology is very clean, mainly quad. the model is UVW Mapped and UNWRAPPED - The UNWRAPPED map is included into each archive textures are large enought for close view (4000 x 4000) the model is print ready. Size in cm : 6,6x 12,00 x 7,9

- #3D_Model #Fish

[alisonfloresus]

Maryland Science Center Offers Great Opportunities for Student Travel

Educators planning a trip for their students will find the Maryland Science Center, located at Baltimore’s Inner Harbor, a great place to visit.

A variety of exhibits will have students and teachers alike wishing they had more time to spend at the Science Center. Or more likely, already making plans to take another trip to spend even more hours exploring all the facility has to offer.

Many begin with Dinosaur Mysteries, where students and teachers will step into the world of prehistoric predators and plant eaters. More than a dozen full size dinosaurs roam a landscape filled with dig pits, a field lab, excavation sites, and other areas of discovery. Students will meet T. Rex and Astrodon and see full size skeletons and casts of fossilized remains, all hands-on.

There are also live animals, including amphibians and lizards, to help students see the connection between past and present. Some students may even agree with scientists who think birds and dinosaurs are related.

Another display at the Maryland Science Center, “Follow the Blue Crab,” is an exhibit focused on the Chesapeake Bay and its relationship to Maryland and the Mid-Atlantic. Featuring live diamondback terrapins, crabs, fish, seahorses, and native plants in aquatic display tanks, the exhibit gives guests a chance to walk the Bay by way of huge full color satellite imagery that takes up a major part of the floor space. By walking across the map, students are able to observe the ratio of water to land, concentrations of population centers, and learn why the health of the Bay is so important for the health of the region.

Also in the Blue Crab display is a huge mechanical crab, an icon of the Science Center. The completely refurbished giant, with waving claws and moving legs, is a family favorite.

In Fossil Quest, those on student tours see evidence of meat eating dinosaurs, raptors, and crocodiles that once roamed Maryland. There is also evidence that giant Sequoia trees once grew in the area, albeit millions of years ago.

Fossils on display include 70 million year old crocodile armor; teeth from a 100 million year old Mosasaur, prehistoric shells of oysters and nautilus as well as cones believed to have dropped from a giant redwood eons ago.

Visitors to the Maryland Science Center will also delight in Kid’s Room, where they can send boats down a river channel, operate a fish cam in a submarine, or dress-up like a turtle. Fun activities such as sending messages through a pneumatic tube on the ceiling abound.

In Newton’s Alley, one of the Maryland Science Center’s most popular exhibits, students get a chance to play a stringless harp. Or touch a cloud. They “see sound” and can stretch a soap film, all by people power.

The highly interactive discovery areas reveal the phenomena of matter, energy, force and motion, all through some of the best demonstrations of Sir Isaac’s principles using active exploration.

In the Our Place in Space exhibit–also home to Science On a Sphere–a large visualization system uses computers and video projectors to display animated data onto the outside of a sphere. The entire exhibit is an animated globe that shows dynamic images of the atmosphere, oceans, and land of a planet, allowing students to imagine gazing upon Earth while suspended in orbit above its surface.

Even beyond the surface of Earth, there are wonders to explore, including data collected from Moon missions and Mars explorations that have been translated into a mix of live presentations and computer simulations.

In Your Body: The Inside Story, Maryland Science Center visitors are able to explore a day in the life of the body, with an emphasis on the sounds, smells, sights, and sensations of everyday life.

Examples include walking through the waking chamber after “sleeping” on a real bed of nails, watching an ordinary bike ride to school morph into thermal imagery of muscle activity, and standing inside the heart and lungs to feel the rhythmic beats and breaths, from head to toes.

In Bodylink, one of three “Link” galleries, students will enjoy a high tech environment accompanied by high touch experiences. They’ll be able to test their nutrition I.Q., monitor their pulse and heart rate as they pedal a stationary bike, or surf the Web, watching video clips of the latest news from the world of healthcare and health science.

This part media center, part discovery room, part newsroom is equipped with Internet-ready computers, media players, satellite television and surround-sound audio systems. Computer and video sources displayed on huge screens offer visitors a unique immersive experience.

SpaceLink, the second of the Link galleries at the Maryland Science Center, is a place where students can “dock” the Space Shuttle or construct a planetary rover. They can also watch NASA’s latest launch countdowns and press conferences or try on a flight suit.

SpaceLink is also home to the Hubble Space Telescope National Visitor Center, where students can keep up with the latest discoveries from this orbiting observatory.

In TerraLink, the third of the Link galleries, students can fly over images of local cities and cities around the world and navigate from low-Earth-orbit to the top of their house using real data. They can even observe and disrupt a forming tornado with their hand.

All in all, the Maryland Science Center is a great place for teachers to bring their students as part of an adventurous educational travel experience.

from JournalsLINE http://journalsline.com/2017/06/19/maryland-science-center-offers-great-opportunities-for-student-travel/ from Journals LINE https://journalsline.tumblr.com/post/162002503190