Bivalves: Cyclorismina marwicki (PRI 59142)

Description

Fossil specimens of the clam *Cyclorismina marwicki* from the Eocene La Meseta Formation of Seymour Island, Antarctica (PRI 59142). Note external mold on back of rock. Specimen is from the research collections of the [Paleontological Research Institution](http://www.priweb.org), Ithaca, New York. Length of specimen is approximately 16 cm. Model by Emily Hauf.