The Eospirifer eudora (Hall) brachiopod fossils found in the Waldron Shale of Clark County, Indiana.  These brachiopods existed in the M...

Unidentified brachiopod found in the Lexington Limestone of Franklin County, Kentucky.  Fossil is from the Ordovician Period.  Maybe this...

  Zygospira (Hall, 1862) brachiopod fossil found in the Lexington Limestone of Franklin County, Kentucky.  A pea sized fossil that has a ...