Finally finished this torvosaurus illustration. Zoom for details, I’d recommend it.

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It’s the end of the semester for me, so here’s a really nice phacopid trilobite cephalon for The individual lenses are preserved and visible under a low power microscope, as are muscle scars (darker symmetrical lines & dots on the glabella).

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Wiwaxia corrugata of the Burgess Shale, eating Cyanobacterial mats of Morania from the sea floor with a rasping mouth. Behind it, the decaying moult of Hurdia, encrusted by Morania (based on USNM 57718). There are many species of Wiwaxia.

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The Burgess Shale, 508 million years ago. A huddle of Canadaspis perfecta cling to the side of a small muddy slope, avoiding the gaze of larger predators.

Inspired by a diorama from the Seodaemun Museum (thanks )

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Happy Here’s some fossil illustrations of Lyrarapax trilobus. Took me long enough to realize it had a tail fan. Seems like you could also differentiate it from L. unguiyspinus by a rounder eye-shape. Who knows.

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PSA: avoid saying “anomalocaridid” when you mean “Anomalocarid”. Anomalocarididae is a small clade within the larger group.

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Merry Christmas from “Santa claws” aka “saintly crab” aka Sanctacaris.

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Dimetrodon teutonis, a stem-mammal, and Rotaryus gothae, a temnospondyl, both part of the fauna local to the of Germany.

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Hooray, Doug himself is done, now I just need to get him some ground to stand on and some small friends. Maybe some insects and some a Eudibamus or Thuringothyris? (WIP)

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Pambdelurion, “the all-loathsome one”, scans the rocky outcrops of the Sirius Passet in search of Isoxys to prey upon.

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The Chengjiang, peaceful for once in a while, due to a distinct lack of giant Omnidens terrorizing everything. An experiment/attempt to recreate that painterly, impressionist look.

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Our new paper on jaw disparity is published! 🦖It is available here in : https://t.co/4Qf5hquggv (1/2)

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It's folks! Here's a beautiful Pleistocene dwarf Phanourios minor humerus from Ayia Napa, Cyprus, flexing on my arm!

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I’ve been told this is pg enough for twitter. Tyrannosaurus rex being struck by the airblast of the Chicxulub impactor, the meteor that killed the non-avian dinosaurs. Good morning.

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is often depicted as cute. Because it is. It’s really cute. But even then, I still tried to make it scary this time. Opabinia regalis was one of two species of Opabinia that made the Burgess Shale its home. A great and famous Lobopod.

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I hit 2000 followers! In honour of that, here’s a visual demonstration of the ‘eversion’ of a Gilled lobopodians mouth (Vinther et al, 2016). In this case it’s the king of the Lobopods, Omnidens amplus, feeding on several Paucipodia.

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The other new title just published is The Rise of Reptiles: 320 Million Years of Evolution, which looks amazing! https://t.co/avgV3JeRIU

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Après des jours de galère pour consulter le papier... Accueillez ! Cet de 62 Ma est très particulier, les bords de son bec portant de petites projections osseuses (flèches) !

Source : https://t.co/CPpDsrzxfz via Papers in Palaeontology

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