Desmograptus micronematodes Graptolite Fossil

This fossil was found in the Waldron Shale of Clark County, Indiana USA. It appears to be a Desmograptus micronematodes graptolite. The fossil dates to the Silurian Period (Wenlockian).

Digonella digona Brachiopod Fossil

This brachiopod fossil is known as Digonella digona. It was found in Luc sur mer, Normandy, France. It dates to the Jurassic (Bathonien).

Learn more about at Dave's fossil blog:
http://viewsofthemahantango.blogspot.com/2015/04/digonella-digona-brachiopod-from.html

Marginifera lasallensis Brachiopod Fossil

These pictures appear to be a Marginifera lasallensis brachiopod fossil. It was found in the Lenepah Formation of Nowata County, Oklahoma USA. It dates to the Pennsylvanian Period.