Prolacerta

Pro-lah-ser-tah.
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John Stewart

Paleoecologist

John Stewart is a distinguished paleoecologist whose work has significantly advanced our understanding of prehistoric ecosystems. With over two decades dedicated to unearthing fossils across Asia and Africa

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Name

Prolacerta.

Phonetic

Pro-lah-ser-tah.

Named By

Classification

Chordata,‭ ‬Reptilia,‭ ‬Archosauromorpha,‭ ‬Prolacertiformes,‭ ‬Prolacertidae.

Diet

Insectivore‭?

Species

P.‭ ‬broomi‭

Size

About‭ ‬50-55‭ ‬centiemtres long.

Known locations

Antartica‭ ‬-‭ ‬Fremouw Formation.‭ ‬South Africa‭ ‬-‭ ‬Katberg Formation,‭ ‬Normandien Formation.

Time Period

Early Triassic.

Fossil representation

Several individuals.

In Depth

       Once considered a transitional form between archosaurs and lizards,‭ ‬palaeontologists are no longer as certain as they once were as to exactly how Prolacerta were related to these groups.‭ ‬One key observation is that the teeth are rooted deep and fused to the bones,‭ ‬and not loosely implanted like the teeth of known archosaurs.‭ ‬It’s probable that Prolacerta is closer to lizards,‭ ‬though at the time of writing it remains the only genus of the Prolacertidae.‭ ‬Prolacerta does have a small notch between the maxilla and premaxilla like some archosauriforms and rhynchosaurs,‭ ‬though it’s not certain if this is due to a familial relation or convergent evolution.

Further Reading

– Prolacerta and the protorosaurian reptiles; Part I. – American Journal of Science. 243 (1): 17–32. – Charles L. Camp – 1945. – Prolacerta and the protosaurian reptiles; Part II. – American Journal of Science. 243 (2): 84–101. – Charles L. Camp – 1945. – The morphology and relationships of Youngina capensis Broom and Prolacerta broomi Parrington. – Palaeontologia Africana : Annals of the Bernard Price Institute for Palaeontological Research – Chris E. Gow – 1965. – The braincase of Prolacerta broomi (Reptilia: Triassic). – Neues Jahrbuch f�r Geologie und Pal�ontologie – Abhandlungen. 173: 181–200. Retrieved 2018-11-22. – S. E. Evans – 1986. -‭ ‬The skull of the Early Triassic archosauromorph reptile Prolacerta broomi and its phylogenetic significance.‭ ‬-‭ ‬Zoological Journal of the Linnean Society‭ ‬140‭ (‬3‭)‬:‭ ‬335.‭ ‬-‭ ‬S.‭ ‬P.‭ ‬Modesto‭ & ‬H.‭ ‬D.‭ ‬Sues‭ ‬-‭ ‬2004. -‭ ‬The skeletal anatomy of the triassic protorosaur Dinocephalosaurus orientalis Li,‭ ‬from the Middle Triassic of Guizhou Province,‭ ‬southern China.‭ ‬-‭ ‬Journal of Vertebrate Paleontology‭ ‬28:‭ ‬95‭–‬110.‭ ‬-‭ ‬O.‭ ‬Rieppel,‭ ‬C.‭ ‬Li,‭ ‬N.‭ ‬C.‭ ‬Fraser‭ ‬-‭ ‬2008.

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