Home > Iowa Academy of Science > Journals & Newsletters > Proceedings of the Iowa Academy of Science > Volume 46 (1939) > Annual Issue
Document Type
Research
Abstract
Small calcareous plates, possibly from Asteroidea or other Echinodermata, occur in the Maquoketa shale of Iowa. These plates all have similar characteristics, but vary in their minute structures, and the variations apparently have some stratigraphic significance.
Publication Date
1939
Journal Title
Proceedings of the Iowa Academy of Science
Volume
46
Issue
1
First Page
251
Last Page
251
Copyright
©1939 Iowa Academy of Science, Inc.
Language
en
File Format
application/pdf
Recommended Citation
Spivey, R. C.
(1939)
"Occurrence of Certain Small Fossil Plates in the Maquoketa Shale of Iowa,"
Proceedings of the Iowa Academy of Science, 46(1), 251-251.
Available at:
https://scholarworks.uni.edu/pias/vol46/iss1/61