Coralliochama orcutti Bivalve Fossil

 

This picture is of a rudist bivalve fossil called Coralliochama orcutti (White, 1885). Picture was taken in 2016 at Indiana University Department of Geology. The fossil dates to the Upper Cretaceous Period and was found in the Rosario Formation of Punta Banda, Baja California, Mexico. Thanks to Kenny for the picture.

Encope micorpora Echinoderm

While visiting the Gallery of Natural History at the Arizona Historical Society Museum at Papago Park (1300 N. College Ave, Tempe Arizona 85281) I saw fossil specimen (AHS-NH#9854) Encope micorpora (Agassiz, 1841) sand dollar. Creatures like this are alive today and existed back to the Pliocene This one was found in El Golfo, Mexico.

Image of museum specimen taken October 2014.

Source to refer to:
http://www.nhm.ac.uk/research-curation/research/projects/echinoid-directory/taxa/taxon.jsp?id=2133

http://www.nhm.ac.uk/research-curation/research/projects/echinoid-directory/taxa/specimen.jsp?id=7192