Order Neogastropoda
Family Cystiscidae
Gibberula floridana (Dall, 1890)
Stratigraphy: Pinecrest Sand Member of the Tamiami Formation.
Location: SMR Phase 10, Sarasota County, Florida USA.
Status: Extinct
Notes: Tiny with partial enveloped spire and constricted base.
Order Neogastropoda
Family Cystiscidae
Persicula ovula Conrad, 1870
Stratigraphy: Pinecrest Sand Member of the Tamiami Formation.
Location: SMR Phase 10, Sarasota County, Florida USA.
Status: Extinct
Notes: Tiny with fully enveloped spire.