Fossil specimen of the gastropod *Hystrivasum locklini* from the Pliocene Tamiami Fm. (Pinecrest Beds) of Sarasota County, Florida (PRI 70721). Specimen is from the collections of the [Paleontological Research Institution](http://www.priweb.org), Ithaca, New York. Maximum length of specimen is approximately 5 cm. Model by Emily Hauf.