Stratigraphic chart of the lower Permian (partial)
Content updated October 16, 2005
ACEROSODONTOSAURUS
PIVETEAUI?
Eureptilia-Diapsida-Neodiapsida-Younginiformes
Above: enlarged picture of the pubis of the same skeleton (the great part of the fossilized bone is eroded and is present only the negative)
Abbreviations: of, obturator foramen; p, pubis;