crushed Platyceras on crinoid calyx

Submitted by: David Thompson
Taxon: Pithocrinus cooperi, Platyceras
Submit date: 2012-07-04
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Thunder Bay Formation
Age: Erian (Middle Devonian)
Submitter notes: This is a partially crushed snail on the tegmen of a Pithocrinus cooperi. The calyx is 1.76 cm, (.69 inches) high by 2.23 cm (.88 inches) wide and, although crushed, the snail is complete and attached.

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