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Document Type

Research

Abstract

Specimens of Pseudorthoceras knoxense (McChesney) occurring in the lower part of the Cherokee Group in Marion County, Iowa, possess body chambers. The shell of these body chambers is distinctly thickened with the thickest portion of the callus on the venter. No reasonably complete peristome is preserved, but growth lines on the body chamber indicate the presence of only a broad, shallow reentrant and a broad, shallow salient.

Publication Date

1966

Journal Title

Proceedings of the Iowa Academy of Science

Volume

73

Issue

1

First Page

279

Last Page

284

Copyright

© Copyright 1966 by the Iowa Academy of Science, Inc.

Language

EN

File Format

application/pdf

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