Classification and nomenclature of fossil crinoids based on studies of dissociated parts of their columns 

https://kuscholarworks.ku.edu/handle/1808/3820
Title: Classification and nomenclature of fossil crinoids based on studies of dissociated parts of their columns 
Author(s):
Raymond C. Moore, Russell M. Jeffords
Paleo Publication Type:
KU Paleontological Contributions
Publication Format:
Journal article
Year of publication:
1968