Blastoid Theca

Submitted by: John Topor
Taxon: Devonoblastus whiteavesi
Submit date: 2007-03-12
Location (approximate): Thedford, Lambton, ON
Stratigraphy: Hungry Hollow Formation
Age: Erian (Middle Devonian)
Submitter notes: From the left in the photo, three different blastoid thecas showing the basal, side and summit views of the Genus, Devonoblastus. The height of these specimens ranges from 15 to 18 millimeters.

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