Patellilabia sp.
gastropod

Mississippian
Osagean Series
Fern Glen Formation
Jefferson County, Missouri

Patellilabia sp. Patellilabia sp.

This specimen was originally incorrectly identified
as a Platyceras. Thanks to Dr. Anderson, we now
have the correct identification.

Viewer Comments:

Patellilabia have a flared aperture where Platyceras have elongated
apertures. The specimen you have figured is really nice.
Dr. John R. Anderson

Reference:
Chesterian (Upper Mississippian) Gastropoda of the Illinois
Basin, by Myint Lwin Thein and Matthew H. Nitecki, 1974,
Fieldiana Geology, volume 34.
Published by the Field Museum of Natural History.

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Fern Glen Formation

Mississippian Fossils of Missouri