Permian Gastropoda of the Southwestern United States
Subtitle: I : Euomphalacea ...
Series: Bulletin American Museum of Natural History -- Vol. 110 Art. 3, 1956; Bulletin of the American Museum of Natural History -- v. 110, article 3
Publisher: Amer. Mus. of Nat. Hist.
Published: 1956
Place of publication: New York
Language: eng
Number of pages: 276
Notes: With a section on the effect of the Crinoid host ... By Arthur L. Bowsher.

Submitted ... for the degree of Doctor of Philosophy in the Faculty of Pure Science, Columbia University.

Text figures 1-4, plates 9-24, tables 1-35.