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Document Type

Research

Keywords

Echinoderms; Endoskeleton; Latticework Structure; Mississippian; Mahaska County, Iowa; Pella Formation; Passalocrinus; Dichocrinus; Diploblastus; Modern Comatulid

Abstract

A microcrinoid (Passalocrinus), camerate crinoid (Dichocrinus) and small blastoid (Diploblastus) are examined at high magnification and reveal latticework endoskeletal plates with slightly varied patterns of voids and interlocking rods. Cirrals from the base of a modern comatulid are illustrated for comparison.

Publication Date

June 1974

Journal Title

Proceedings of the Iowa Academy of Science

Volume

81

Issue

2

First Page

51

Last Page

55

Copyright

© Copyright 1974 by the Iowa Academy of Science, Inc.

Language

EN

File Format

application/pdf

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