Second view of Protitanichthys, Devonian Fish Plate

Submitted by: David Thompson
Taxon: Protitanichthys rockportensis
Submit date: 2008-01-28
Location (approximate): Milan, Washtenaw, MI
Stratigraphy: Traverse Formation
Age: Erian (Middle Devonian)
Submitter notes: The Phylum is Chordata, Subphylum Vertebrata, Class Elasmobranchiomorpha, Subclass Placoderm, Order Arthrodire, suborder Brachythoraci, Family Coccosteidae, Genus Protitanichthys. This shows some of the thickness of the bony shield. US .25 coin for scale.

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