confusedhadrosaur - Tumblr blog

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Hadrosaurs at night.

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A young Duriavenator hesperis found the empty shell of a Garantiana sp. at the beach (Bajocian, 168 Ma, England).

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Day 30: Scutellosaurus lawleri

Aaaaaand done! I finally took a step out of my digital comfort zone and beat an art challenge with normal pens! (Somewhat, the shading was added digitally, I'm a coward)

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Day 29: Araripesuchus rattoides

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Day 28: Tapejara wellnhoferi

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Day 27: Udanoceratops tschizhovi

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Day 26: Ixalerpeton polesinensis

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Day 25: Tylocephale gilmorei

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Day 24: Araripesuchus wegeneri

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Day 23: Kunbarrasaurus ieversi

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Day 22: Istiodactylus latidens

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This floating alien egg is Octameroceras, they're part of a group of cephalopods called Oncocerids which diverged earlier than the nautiloids and ammonites.

As they reach maturity, their shell opening, the aperture closes in on their face creating these Giger-esque shapes, and we can only speculate what bizarre mangled forms the creature peeping through that opening would have.

[image credit: Stridsberg, S. 1 985 05 09: Silurian oncocerid cephalopods from Gotland. Fossils and Strata, N o. 1 8, pp. 1-65. Oslo ISSN 0300- 9491. ISBN 82- 00- 07575-3.]

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Day 21: Yangchuanosaurus shangyouensis

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Day 20: Prestosuchus chiniquensis

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Day 19: Kelenken guillermoi

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Day 18: Cascocauda rong

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A small 2 cm #ammonite from the #Jurassic of #Morocco with a nice internal cross section. Also an improved version of the ammonite from yorkshire I photographed the other day.