Robuta

https://digitalcollections.franklin.uga.edu/nodes/view/60397 16962 – Ventridens arcellus | Franklin College Collections Phylum: Mollusca | Class: Gastropoda | Genus: Ventridens | Family: Gastrodontidae | Species: arcellus | State: GA | Country: USA | Collection Date: 2012-05-01... franklin collegeventridenscollections