This pelecypod fossil appears to be a Modiolodon (Ulrich, 1894) from the Ordovician Period. It was found in the Logana Member of the Lexing...

  This fossil appears to be a Conularia formosa (Miller & Dryer, 1878) from the Ordovician Period. It was found in the Logana Member of...

This image is of some fossil plyllodontid fish dental plates aka Phyllodus toliapicus (Agassiz, 1839) on display at Mace Brown Museum of Na...