Turtles of the Chicago area / by Karl P. Schmidt, Curator of Amphibians and Reptiles.

no.14(1938)

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

v.33:no.9(1975)

The nature of shield abnormalities in the turtle shell / [by] Rainer Zangerl -- and Ralph G. Johnson --.

v.10:no.29(1957)

The vertebrate fauna of the Selma Formation of Alabama. Rainer Zangerl.

v.3:no.5(1960)

The vertebrate fauna of the Selma Formation of Alabama. Rainer Zangerl.

v.3:no.3(1953)

The vertebrate fauna of the Selma Formation of Alabama. Rainer Zangerl.

v.3:no.2(1948)