A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas by Eaton et al.

A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas

Stewart, Peggy Lou & Eaton, Theodore H. (Theodore Hildreth)

A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas

Stewart, Peggy Lou & Eaton, Theodore H. (Theodore Hildreth)