A new species of Billingsites
Subtitle: an ascoceratid cephalopod, from the Upper Ordovician Ogontz formation of Michigan
By: by Robert V. Kesling
Series: Contributions from the Museum of Paleontology, University of Michigan -- v. 17, no. 3; Contributions from the Museum of Paleontology -- v. 17, no. 3.
Publisher: Museum of Paleontology, University of Michigan
Published: 1961
Place of publication: Ann Arbor
Language: eng
Number of pages: 121
Subjects: Billingsites; Paleontology
Notes: Bibliography: p. 116-118.