# fossilfriday aetosaur triassic croctober atozcrocs phytosaurs fossils

Yay N is for Neoaetosauroides, an from the L of Argentina. Recently Taborda et al. used FEA to support possible zoophagy/omnivory, previously proposed by Desojo, & by von Backzo et al. https://t.co/6YtiXhaL55

8 23
2021-10-23

Today’s is Mystriosuchus Fraas 1896. These including M. westphali & M. planirostris, have a looooong slender snout & short squamosals. A 3rd one, M. steinbergeri, was added in 2019. It's from Austria & was marine!

7 31
2021-10-19

Today’s is Poposaurus gracilis Mehl 1915 from the Upper Triassic of the western US. Poposaurus has a remarkably similar body plan to dinosaurs, yet has hallmarks of all pseudosuchians. We know almost the full anatomy, minus parts of the skull

25 93
2020-10-20

Today’s is Nundasuchus songeaensis Nesbitt et al. 2014 a pseudosuchian from the Manda Beds of Tanzania. The phylogenetic position is poorly constrained, but largely because it lacks characters of the ‘classic’ pseudosuchian clades

13 40
2020-10-16

Today’s is Desmatosuchus spurensis Case 1921, an aetosaur from the southwest. It was a one of the largest with shoulders spikes measuring ~50 cm. The diet is his unknown, but it could have been the largest herbivore of NA in the L Triassic

36 107
2020-10-06

F is for Fasolasuchus (B in this pic), a very distant croc-relative from the Triassic of Argentina. It’s in a messy part of the tree we sometimes lump together and call “Rauisuchians.”

📸 Lessner et al 2016: https://t.co/3k8BveHwLn

6 12
2020-10-06