historianmichael Posted January 28, 2022 Share Posted January 28, 2022 Over the last several months I have been using a freeze-thaw method to open up some phosphate nodules I collected from a Middle Pennsylvanian site I visited in Northern Oklahoma. Over the weekend one nodule split open to expose this tiny bivalve. It is only about 9mm in size. I have tried in vain to identify it. Does anyone happen to know what this could be? Any help would be greatly appreciated. 1 Follow me on Instagram (@fossil_mike) to check out my personal collection of fossils collected and acquired over more than 15 years of fossil hunting! Link to comment Share on other sites More sharing options...
Thomas.Dodson Posted January 28, 2022 Share Posted January 28, 2022 Perhaps a Myalina sp.? 1 1 Link to comment Share on other sites More sharing options...
BobWill Posted January 28, 2022 Share Posted January 28, 2022 25 minutes ago, Thomas.Dodson said: Perhaps a Myalina sp.? I agree but it seems very elongated for the species I usually find in OK, M. subquadrata so maybe another one I don't know. about 1 Link to comment Share on other sites More sharing options...
historianmichael Posted January 28, 2022 Author Share Posted January 28, 2022 Thank you! I believe the small Myalina is M. swallovi. 2 Follow me on Instagram (@fossil_mike) to check out my personal collection of fossils collected and acquired over more than 15 years of fossil hunting! Link to comment Share on other sites More sharing options...
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