The fossilized skeletons of pterosaurs - which look quite different from any extant flying vertebrate - baffled many early palaeontologists. One early theory suggested that pterosaurs were flying marsupials.

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fossilized friends

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Ice Age Humans Hunted Giant Ground Sloths, Fossilized Footprints Show
https://t.co/1zmK2TRMHT

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TRUE - the closely related Austroatlas lentus was estimated to have possibly reached up to 17 feet tall, although I believe this species is only known from a few fossilized leg bones and part of a sternum.

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"isn't this fossilized shark tooth super cool???"
"that's a shark tooth? it looks like a rock from our garden..."

(doodle of bnha oc osamu)

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An analysis of fossilized soft tissues confirms hyoliths belong to a group of invertebrates known as Lophophorata https://t.co/xez0Inkhkx

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pixelized fossilized trash

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Second winner is https://t.co/Bv9OHFWxSI, an artwork of her character Aovin with Fossilized Hatchling pet.

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"Alien life form. Looks like it's been dead a long time. Fossilized. Looks like it's growing out of the chair."

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