Lyme Regis Gryphaea Oyster Fossil

On a recent visit to Lyme Regis, I was able to purchase the fossil oyster that appears to be a Gryphaea arcuata. It was found in the Blue Lias of Lyme Regis Dorset County England. The creature existed in the Lower Jurassic Period.

Learn more at:
https://www.flickr.com/photos/jsjgeology/15043130357

Pterotocrinus Crinoid Fossil

This fossil appears to be a Pterotocrinus rugosus crinoid. The genus Pterotocrinus was named by Sidney Lyon and S.A. Casseday in 1859. It was found in the Indian Springs Shale - Glen Dean Formation of Crawford County Indiana USA. The animal existed in the Mississippian Period.

Thanks to Kenny for letting me take a picture of it.

See more images of crinoids like this at Don R. Chesnut's web page on fossils of the Sloans Valley Member (Paragon Formation).

http://www.uky.edu/OtherOrgs/KPS/stratigraphicfauna/sloansvalleymacrofauna/pages/sloansvalleyechinodermata.html

https://archive.org/details/mobot31753002152558/page/n241/mode/2up

Prone Flexicalymene Trilobite Fossil

This fossil was recently found in Trimble County Kentucky USA. It appears to be Flexicalymene meeki trilobite fossil. The fossil dates to the Ordovician Period and may be from the Drake Formation. How well it will prep up remains to be seen.

Thanks to Kenny for letting me take a picture of it.