#Triassic fossil

[amnhnyc]

Skin? Moisturized. Teeth? Tusk-like. Today’s mood? Mastodonsaurus giganteus. This animal lived during the Late Triassic about 215 million years ago. It’s an extinct relative of frogs and salamanders, but it probably behaved more like a crocodile: Its large, flat skull and tusk-like teeth (some of which protruded through the skull) seem to be adapted for seizing large prey. You can see this life-sized model in the Museum’s Hall of Vertebrate Origins! Plan your visit.

[bearye-draws]

The Triassic Cuddle

[transparentfossil]

12.1" Polished Triassic Petrified Wood Round - Poison Springs, Utah

[velespaleoart]

Tanystropheus hydroides - polymer clay sculpture

[mesozoicmarket]

A Triassic lungfish tooth plate, likely an Arganodus atlantis or Ceratodus arganensis from the Argana Group in the Argana Basin of Morocco. Arganodus has sometimes been synonomized with the genus Asiatoceratodus. This specimen comes from a very old French collection from the 1960s and unfortunately lacks detailed locale information.

[monarchbutt]

what if we kissed at the mazon creek fossil beds 😳

[olorotitghten-up]

coping with the reality that we’ll never get another season of prehistoric park by imagining that bob and nigel would learn that hadrosaurs enjoy jazz kind of like cows do and would end up mesmerizing a herd of them by jamming out on some trombones in a field

[savage-rhi]

Flooding by Karnal The Blue Jay

[plaguedocboi]

Happy national fossil day! What's your favorite fossil?

Every single time I think about the Triassic cuddle fossil I burst into tears so I guess that one by virtue of how much of an impact it has on my brain

[jameslang209]

This is a centipede track. Middle or Late Triassic. 240-220 mya. I spotted this at my neighbor’s property about half mile away and he let me drag it home.

[uk-fossils]

Fossil Fish Bones in Coprolite Bed Matrix – Westbury Formation, Upper Triassic, Aust Cliff UK – Genuine UK Fossil with COA

This listing is for an exceptional specimen of fossil fish bones preserved in matrix, collected from the famous fish, reptile and coprolite bed at Aust Cliff, near Bristol, UK. This matrix originates from the Westbury Formation, part of the Penarth Group, dating back to the Upper Triassic period—approximately 205 million years ago.

The specimen contains clear fossilised fish bone fragments, showcasing the excellent fossil preservation quality for which this horizon is renowned. The Westbury Formation at Aust Cliff is famous globally among palaeontologists for its wealth of vertebrate fossils, including remains of fish, marine reptiles, coprolites, and even dinosaur material.

Your specimen was discovered by our experienced field team, Alister and Alison, on 07 April 2025, and has been expertly cleaned, prepped, and stabilised by Alison to reveal its fossil content with care and precision.

Geological Information:

Fossil Type: Fish bones (possibly from genera such as Saurichthys, Birgeria, or similar Triassic taxa)

Formation: Westbury Formation

Group: Penarth Group

Age: Upper Triassic (Rhaetian Stage)

Location: Aust Cliff, Bristol, England

Depositional Environment: Coastal marine lagoonal mudstone – shallow, anoxic marine conditions ideal for preservation

Biozone: Within the Psiloceras planorbis ammonite biozone (used for dating overlying beds)

Notable Features:

Genuine UK vertebrate fossil from a classic heritage site

Appears in original matrix from the fossil bed

Ready for study, display or collection

Each fossil is unique and the photo shows the actual specimen you will receive. Scale cube = 1cm. Please refer to the photo for full sizing.

100% Genuine Specimen – Certificate of Authenticity Included

All of our fossils are carefully selected, professionally prepared, and guaranteed to be 100% genuine. This item comes with a Certificate of Authenticity for your peace of mind.

A great addition for any fossil collector, educational display, or natural history enthusiast!

If you need a bundled listing with similar fossils from this bed (e.g., reptile bones, coprolites, or teeth), feel free to reach out!

[amnhnyc]

It's time for Fossil Friday! Meet Cryptocleidus oxoniensis, a short-necked plesiosaur. Plesiosaurs were large marine reptiles that lived from the late Triassic to the end of the Cretaceous. The plesiosaurs had extensive modifications to the shoulder and pelvic girdles: these elements form large, flat sheets of bone, presumably for the attachment of swimming muscles. Cryptocleidus' trunk was very rigid and short, and the short tail could only function as a rudder, leaving the limbs as its main organ of propulsion.

Photos: © AMNH

Image 1: Cryptocleidus on display in the Museum.

Image 2: Photographic negative of the fossilized remains of Cryptocleidus, circa 1910.

[seedstoroots]

Brb crying, shitting, throwing up because I remembered The Triassic Cuddle exists. We are all scared animals in the end, huh?? They knew they were in danger and sought out comfort and shelter together. Did it matter in the end? No. They died. But they still tried...

[transparentfossil]

14" Plate With Two Fossil Crinoids (Encrinus) - Germany

[velespaleoart]

[mesozoicmarket]

A Triassic lungfish tooth plate of an Arganodus dorotheae from the Bull Canyon Formation in Quay County, New Mexico, United States. Arganodus has sometimes been synonomized with the genus Asiatoceratodus.