Submitted by: ummp invertebrate paleontology
Taxon: Dinorthis subquadrata noquettensis
Submit date: 2009-01-17
Location (approximate): , Delta, MI
Stratigraphy: Bay de Noc Formation
Age: Cincinnatian (Late Ordovician)
Submitter notes: This specimen is the holotype for the species. It is 3 cm across.