Onychocrinus Crinoid Calyx Fossils

This pictures show reconstructed Onychocrinus sp. crinoid calyx fossils. They were found in the Glen Dean Member of Grayson County Kentucky USA. The fossils date to the Mississippian Period. Thanks to Kenny for the images.

Evactinopora radiata Bryozoan Fossil

These images are of the Evactinopora radiata bryozoan fossil. They were found in the Fern Glen Formation of Imperial Missouri USA. The fossils date to the Mississippian Period. Thanks to Kenny for these images.

Chiracanthus Fish Scale Fossil

This microfossil appears to be a Chiracanthus  sp. fish scale. The field of view (FOV) is about 2 mm. It dates to the Devonian Period. The fossil was found in the Beechwood Limestone of Clark County, Indiana USA.

Thanks to Kenny for the image.

Learn more about the Chiracanthus  at: https://en.wikipedia.org/wiki/Cheiracanthus