Submitted by: ummp invertebrate paleontology
Taxon: Polypora shumardi
Submit date: 2009-07-15
Location (approximate): Ann Arbor, Washtenaw, MI
Stratigraphy: Traverse Formation
Age: Erian (Middle Devonian)
Submitter notes: The entire rock is 9.5 cm across. This specimen is from the Onondaga Drift.