This Specimen has been sold.
1.3" Fossil Gastropod (Platystoma) - Indiana
This is a 1.3" fossil gastropod (Platystoma Plebium), collected from the Waldron Shale Formation of St. Paul, Indiana. It is attached to the rock it was found in. The shale has a number of other fossil fragments that have been partially exposed.
Gastropods, which are more commonly referred to as 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.