Brachial valve
Specimen #2
Brachial valve
The Genshaw formation is part of the Traverse Group which is late Givetian stage within the middle Devonian.
Tuesday, September 3, 2013
A pair of Pseudoatrypa from the Genshaw formation of Michigan
Once again, the ubiquitous fossil Pseudoatrypa sp. appears on my blog. This time the fossils come from the Genshaw formation near Alpena Michigan out of a large lot of material from an old collector.
Brachial valve
Anterior
Pedicle valve
Posterior
Profile
Specimen #2
Brachial valve
Anterior
Pedicle valve
Posterior
Profile
The Genshaw formation is part of the Traverse Group which is late Givetian stage within the middle Devonian.
Brachial valve
Specimen #2
Brachial valve
The Genshaw formation is part of the Traverse Group which is late Givetian stage within the middle Devonian.
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