Fossil specimen of the slit shell snail *Pleurotomaria* sp. from the Jurassic Inferior Oolite of England (PRI 78776). Preservation is an interior mold. Specimen is from the research collections of the [Paleontological Research Institution](http://www.priweb.org), Ithaca, New York. Maximum diameter of specimen is approximately 8.5 cm. Model by Emily Hauf.