Spirifer grimesi Brachiopod Fossil

 

This picture is of a Spirifer grimesi (Hall, 1858) brachiopod fossil. It was found in Burlington, Iowa USA. It dates to the Mississippian Period.

The picture was taken in June 2023 on the first floor of the Smithsonian Museum of Natural History in Washington D.C. USA.

Lithostrotion Coral Fossil

 

This picture is of an Lithostrotion coral fossil. It was found in Tennessee USA. It dates to the Mississippian Period.

The picture was taken in June 2023 on the first floor of the Smithsonian Museum of Natural History in Washington D.C. USA.

Spathacalymene nasuta Fossil Trilobite

 

This trilobite fossil is identified as a Spathacalymene nasuta (Ulrich, 1879). It was found in the Osgood Formation of Ripley County, Indiana, USA. The fossil dates to the Silurian Period.