Pelecypod or Clam: Paracyclas lirata

Here are some images of clams or pelecypods from the Devonian period. They were found in Clark County, Indiana at the Jeffersonville Limestone layer. These clams are known as Paracyclas rugosa or Paracyclas lirata as defined by Conrad in 1838.

This website (www.uky.edu/KGS/fossils/nettelroth.htm) can be helpful when trying to identify shell fossils from the Louisville area.

Brachiopod Athyris fultonensis

Here is the brachiopod Athyris fultonensis from the Devonian period. It was found in Clark County, Indiana. Note the expose lophophore or feeding tubes in some of the images.

View of other side of shell.

Same side as first image but from a slightly different angle.

Megastrophia hemisphericus Brachiopod

Here is a large brachiopod found in the Jeffersonville Limestone in Clark County, Indiana. It is from the Middle Devonian period and is called Megastrophia hemisphericus?.