Trilobite hypostome

Submitted by: ummp invertebrate paleontology
Taxon: Isotelus platycephalus
Submit date: 2009-12-02
Location (approximate): St. Joseph Island, Algoma, ON
Stratigraphy: Black River Formation
Age: Mohawkian (Middle Ordovician)
Submitter notes: This specimen is 3 cm across.

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