3.3" Pliocene Gastropod (Hystrivasum) Fossil - Florida

Pliocene Gastropod (Hystrivasum) Fossil - Florida #146114

This is a fossil gastropod of the species Hystrivasum squamosum that was collected from the Pliocene age Caloosahatchee Formation of Sarasota County, Florida. It is 3.3" long and approximately 2.5 - 5 million years old.

Gastropods, or snails, have been around since the Late Cambrian period. The class Gastropoda contains a vast total of named species, second only to the insects in overall number. There are 611 known families of gastropods, of which 202 families are extinct and appear only in the fossil record.