Trinucleus concentricus Trilobite Fossil

This picture is of a Trinucleus concentricus (Eaton,1832) trilobite fossil. It was found in Caer Caradoc (Grande-B.). The fossil dates to Ordovician Period.  Fossil  displayed at Muséum National D'Historie Naturelle Jardin Des Plantes Paléontologie et Anatomie Comparée, Paris, France.  Image taken August 2016.

Eucalyptocrinites crassus Crinoid Stem Fossil

 

Eucalyptocrinites crassus (Hall, 1863) crinoid stem fossil found in the Waldron Shale of Clark County, Indiana USA. The crinoid existed in the Silurian Period.

Carpoid Fossil?

 

My cousin Kenny recently found this fossil in an Ordovician Period area of Indiana USA. Not sure what it is, maybe a worn carpoid fossil?

 

https://louisvillefossils.blogspot.com/2009/11/part-of-carpoid.html