Crinoid calyx*

Submitted by: ummp invertebrate paleontology
Taxon: Lichenocrinus tuberculatus
Submit date: 2008-11-02
Location (approximate): , Delta, MI
Stratigraphy: Bay de Noc Formation
Age: Cincinnatian (Late Ordovician)
Submitter notes: This specimen is a hypotype. It is 1.5 cm across.

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