Permian Gastropoda of the southwestern United States.
Contributors: Yochelson, Ellis Leon, 1928-; Batten, Roger Lyman.
Series: Bulletin of the American Museum of Natural History, v. 110, article 3; v. 114, article 2; v. 119, article 4; Bulletin of the American Museum of Natural History ;; v. 110, article 3, etc.
Publisher: [American Museum of Natural History]
Published: 1956
Place of publication: New York
Language: eng
Subjects: Gastropoda, Fossil -- Southwest, New.; Paleontology -- Permian.; Paleontology -- Southwest, New.
Notes: The authors' theses--Columbia University.
Includes bibliographies.
Table of contents: title: 1. Euomphalacea, Trochonematacea, Pseudophoracea, Anomphalacea, Craspedostomatacea, and Platyceratacea.; title: 2. Pleurotomariacea: Portlockiellidae, Phymatopleuridae, and Eotomariidae.