Encrinurus punctatus Trilobite Fossil

This fossil is an Encrinurus punctatus Brunnich trilobite. The fossil was found in Dudley England. It dates to the Silurian Period.

It was displayed at Muséum National D'Historie Naturelle Jardin Des Plantes Paléontologie et Anatomie Comparée as of August 2016.

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