Invertebrate fossil, GSA Paleozoic number 3197, from the GSA Paleozoic invertebrate paleontology collection. This specimen box contains 2 specimen(s) of the crinoid Actinocrinus rotundus from the Paleozoic Mountain Limestone in IA, USA.
Summary
Invertebrate fossil, GSA Paleozoic number 3197, from the GSA Paleozoic invertebrate paleontology collection. This specimen box contains 2 specimen(s) of the crinoid Actinocrinus rotundus from the Paleozoic Mountain Limestone in IA, USA.