Platyceras rarispinum

Submitted by: David Thompson
Taxon: Platyceras rarispinum
Submit date: 2009-05-05
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Alpena Formation
Age: Erian (Middle Devonian)
Submitter notes: This large Platyceras has one of it\\\'s spines still attached. The \\\'snail\\\' itself is 1 & 3/4\\\'(4.5 cm) high by 1 & 1/2\\\'(3.8 cm) wide at the base. The spine is 3/4\\\' (2.0 cm) long. This from the Alpena Limestone and another I have on this site is from Hungry Hollow in Canada.

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