A trematopsid skull from the Lower Permian, and analysis of some characters of the dissorophoid (Amphibia, Labyrinthodontia) otic notch / John R. Bolt.

v.30:no.3(1974)

Arctoid genetic characters as related to the genus Parictis / [by] John Clark -- and Thomas E. Guensburg, University of Illinois. [Patricia M. Williams -- editor.]

v.26:no.1(1972)

Cranial characters of Homalodotherium / by Bryan Patterson --.

v.6:no.7(1934)

Phylogeny of the chelydrid turtles : a study of shared derived characters in the skull / Eugene S. Gaffney --.

v.33:no.9(1975)