Stratigraphic chart of the lower Permian (partial)
Content updated October 16, 2005
DELORHYNCHUS PRISCUS References
Chronological
R.C. Fox (1962) " Two new pelycosaurs from the lower permian of Oklahoma " University of Kansas Publication of the Museum of Natural History, 12: 297 - 307
S.P. Modesto (1999) "Colobomycter Pholeter from the lower permian of Oklahoma: a parareptile, not a protorothyridid" Journal of Vertebrate Paleontology 19(3): 466 - 472
