Nobu Tamuraさんのイラストまとめ

Not many vertebrates are known from the Late Triassic Norian stage in Western North America: Shastasaurus (or Shonisaurus) sikkaniensis from the Pardonet formation of British Columbia was the largest marine reptile ever found. Gunakadeit was an odd thalattosaur from Alaska.

The barrel-bodied Tapinocephalus have a massive bone skull roof and probably head-butted for territory or mates.

My first illustration of 2023: Jonkeria was a large ominovorous dinocephalian from the Late Permian of South Africa.

A sampling of creatures found in the Late Permian Lower Sakamena Formation of Madagascar, roughly 257 MYA...

This is a sampling of the fauna of the Early Devonian Beartooth Butte Formation of Wyoming. Illustration made for an upcoming book.

Tiny trilobite with a hexagonal spiky head from the Lower Cambrian of Scotland: Olenelloides armatus https://t.co/eVis51i90z

Tiny desert-dwelling ungulate: Leptauchenia decora https://t.co/xk7eRm1Nxp

Illustration for a book project: here are some animals from the Blue Lias Formation (Early Jurassic, Hettangian) of England

Some reptiliomorphs: the Diadectomorpha https://t.co/Bzv3Bus99i

Frogs, toads, newts and salamanders are believed to originate from this clade (according to Schoch, 2018): the Amphibamiformes (Micropholidae, Amphibamidae, Branchiosauridae and relatives) https://t.co/DtKufv3Kec