Fossil specimen of the keyhole limpet *Diodora carolinensis* from the Pleistocene Caloosahatchee Formation of Hendry County, Florida (PRI 76780). Specimen is from the collections of the [Paleontological Research Institution](http://www.priweb.org), Ithaca, New York. Length of specimen approximately 4.5 cm. Model by Emily Hauf.