A mammal-like reptile from Australia

Details A mammal-like reptile from Australia A mammal-like reptile from Australia

May 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983natur.303..330t&link_type=abstract

Nature, Volume 303, Issue 5915, pp. 330-331 (1983).

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Scientific paper

New fossil evidence indicates that a mammal-like reptile inhabited Australia in the early part of the Triassic period (~220 Myr ago). There are no previous reports of mammal-like reptiles from this continent, and the earliest known Australian mammals have been dated as no older than Oligocene (~23 Myr)1,2. The evidence is an isolated quadrate bone, recently discovered in Lower Triassic rocks of the Arcadia Formation, south-east Queensland. This bone has morphological peculiarities matched only in dicynodonts (mammal-like reptiles of the infraorder Dicynodontia, order Therapsida) and was probably derived from an animal similar or identical to the common African dicynodont Kannemeyeria.

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