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- Title
New Species of Cassis (Cassidae) from the Caloosahatchee Formation of Southern Florida.
- Authors
Petuch, Edward J.; Berschauer, David P.
- Abstract
Two new fossil Helmet Shells of the genus Cassis Scopoli, 1777, are described from the Early Pleistocene (Gelasian Age) Caloosahatchee Formation of southern Florida. The two new species include Cassis calusa n. sp. (restricted to the Fort Denaud Member, early Gelasian Age) and Cassis powelli n. sp. (restricted to the Ayers Landing Member, late Gelasian Age) and these are ancestral to both the Calabrian Pleistocene Cassis schnireli Petuch, 1994 (Holey Land Member, Bermont Formation) and the living Carolinian Province Cassis spinella Clench, 1944. The two new Helmet Shells represent the seventh and eighth species of Cassis known from the Florida fossil record.
- Subjects
CASSIDAE; FOSSIL gastropoda; MOLLUSK classification; GEOLOGICAL formations; GELASIAN Stage
- Publication
Festivus, 2018, Vol 50, Issue 4, p239
- ISSN
0738-9388
- Publication type
Article
- DOI
10.54173/f504239