Stratigraphic chart of the lower Permian (partial)
Content updated October 16, 2005
ACEROSODONTOSAURUS
PIVETEAUI?
Eureptilia-Diapsida-Neodiapsida-Younginiformes
Above: enlarged picture of manus of the same skeleton.
Abbreviations: i, intermedium; lc, lateral centrale; mc, medial centrale; pis, pisiform; ra, radiale; ul, ulnare;