Fossilised skull of a mammal-like reptile. This skull (left) was from Probelesodon lewisi, a carnivorous reptile that lived during the Middle and Uppe

---

Fossilised skull of a mammal-like reptile. This skull (left) was from Probelesodon lewisi, a carnivorous reptile that lived during the Middle and Upper Triassic periods (245-200 million years ago). The skull was found in the Chanares formation of Argentina (seen in background) in South America.

---

Size: 5315px × 3304px
Photo credit: © SINCLAIR STAMMERS/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: america, american, animal, animals, argentina, bone, bones, carnivore, chanares, composite, desert, fauna, formation, fossil, fossilised, fossilized, fossils, history, lewisi, mammal-, middle, nature, palaeontology, paleontological, paleontology, prehistoric, prehistory, probelesodon, reptile, reptilian, skull, south, therapsid, triassic, vertebrate, vertebrates, wildlife, zoological, zoology