Tuesday, March 26, 2013

Poloniella cingulata ostracod from Arkona

Here is one of the Ostracods I have been able to identify from my Arkona screenings. I think they are Poloniella cingulata. This is a species that is listed in the "Checklist of Fossil Invertebrates Described from the Middle Devonian Rocks of the Thetford-Arkona Region of Southwestern Ontario" by Stumm and Wright.

I found the above specimens from a piece of the Arkona Shale that I soaked overnight in some water and then screened. The Arkona Shale is middle Devonian in age (Givetian stage).

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