TENNESSEE: Cretaceous, Ripley Formation

Screen 2: Cirroidea, Stromboidea
Calliomphalus argenteus Anchura lobata
Calliomphalus argenteus (8 mm),colno 27042 Anchura lobata (43 mm), colno 27029
Anchura substriata Graciliala calcaris
Anchura substriata (76 mm),colno 27030 Graciliala calcaris (25 mm),colno 27051
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Euomphaloidea Patelloidea Trochoidea Cirroidea Stromboidea Cerithioidea Ptenoglossa Janthinoidea
Buccinoidea Columbelloidea Conoidea Mitroidea Turbinelloidea Volutoidea Muricoidea Naticoidea
Calyptraeoidea Architectonicoidea Pyramidelloidea Acteonoidea Clausilioidea Trigonioidea Crassatelloidea Cardioidea