Update:This specimen is Allopinna godleskya Yancey 2024.-Clint August 2024 I’m not certain about the genus and species. I’ve considered Meekopinna Americana and Aviculopinna peracuta as possibilities. However, upon reading an article from the Journal of Paleontology, the entire family needs some clarification. We understand, however, that the Paleozoic Pinnidae are in needRead More →
Ever since I figured out what they were, Allopinna godleskya have been a personal favorite of mine. In examining the remaining shell material in these fossils, I have seen the prismatic layer on the shell hinge in at least two specimens. The specimens below show the detail. The layer inRead More →
Update:This specimen is Allopinna godleskya Yancey 2024. When I found it, I was not aware of members of the pinnidae and thought it was an odd cephalopod. The “tube” I described below is a steinkern of the empty space left by the hinge on this large upright bivalve. I wasRead More →
Update:This specimen is Allopinna godleskya Yancey 2024.-Clint August 2024 After finding a great Sea Pen example, I also found this one that had been set aside. The specimen passes through the rock, showing itself on the other side. A Crinoid stem impression can be seen on the opposite side. TheRead More →