Stratigraphic chart of the lower Permian (partial)
Content updated October 16, 2005
CARDIOCEPHALUS PEABODYI References
Chronological
R.L. Carroll, P. Gaskill (1978) "The Order Microsauria" Memoirs of the American Philosophical Society , 126: 1-211
R.L. Carroll (1998) "The Order Microsauria" In "Lepospondyli" Vol.1, Handbook of Paleoherpetology. Edited by P.Wellnhofer and R. Carroll. Verlag Dr. Friedrich Pfeil, Munchen, Germany: 1 - 71
