Cephalopod*

Submitted by: ummp invertebrate paleontology
Taxon: Armenoceras rotulatum
Submit date: 2008-03-15
Location (approximate): , Chippewa, MI
Stratigraphy: Cordell Formation
Age: Niagaran (Middle Silurian)
Submitter notes: This specimen is a hypotype. It is 8 cm across.

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