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 →