KUMIP Holotypes - Spencers 1967

Specer, R.S., 1967, Univ. Kans. Paleontol. Contrib. Paper 14, p. 1-35, Fig. 1-22: Pennyslvanian Spiriferacea and Spiriferinacea of Kansas. 

© Copyright 2011. Division of Invertebrate Paleontology, University of Kansas.