Annularia Fossil
by Louise K. Broman
Title
Annularia Fossil
Artist
Louise K. Broman
Medium
Photograph - Photograph
Description
Annularia fossil from the Pennsylvanian Period, Mazon Creek, Illinois. Annularia is the scientific name for the leaf whorls of the horsetail genus Calamites.
Uploaded
February 6th, 2017
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