Stratigraphic chart of the lower Permian (partial)
Content updated October 16, 2005
ACEROSODONTOSAURUS
PIVETEAUI?
Eureptilia-Diapsida-Neodiapsida-Younginiformes
Above: picture of a tetrapod partial skeleton that could belong to Acerosodontosaurus on the basis of high pubis ventromedially extended and presence of pubis emargination for, perhaps, incipient thyroid fenestra and distal carpal 4 not in contact with medial centrale. From the Lower Sakamena Formation- Madagascar. Upper Permian.
Abbreviations: m, manus; of, obturator foramen; p, pubis;