Gastropoda - Neritoidea - Neritidae
Alternative spelling: Ritena
Parent taxon: Nerita according to J. A. Todd 2001
See also Ladd 1966 and Sepkoski 2002
Sister taxa: Nerita (Amphinerita), Nerita (Bajanerita), Nerita (Chingua), Nerita (Linnerita), Nerita (Nerita), Nerita (Theliostyla), Nerita (Trochonerita), Nerita atramentosa, Nerita balteata, Nerita beali, Nerita biangulata, Nerita compacta, Nerita conoidea, Nerita cooki, Nerita costata, Nerita crooki, Nerita decorata, Nerita deformis, Nerita filosa, Nerita globosa, Nerita granulosa, Nerita hadra, Nerita helicina, Nerita klipsteini, Nerita listrota, Nerita malheiroi, Nerita mammaria, Nerita multigranosa, Nerita munita, Nerita oligopleura, Nerita ornata, Nerita ornata, Nerita orovillensis, Nerita oviformis, Nerita palaeomorpha, Nerita planospira, Nerita pulligera, Nerita reticulirata, Nerita rumphi, Nerita salsa, Nerita semilevis, Nerita squamulata, Nerita squatina, Nerita subgranulosa, Nerita tessellata, Nerita tricarinata, Nerita undata, Nerita versicolor, Nerita violacea, Nerita vokesi
Subtaxa: Nerita (Ritena) plicata
Ecology: epifaunal omnivore-grazer
Distribution:
• Quaternary of French Polynesia (1 collection), the Seychelles (1)
• Pliocene of Indonesia (1)
• Miocene of Indonesia (3), Palau (1)
• Oligocene of Italy (1)
Total: 8 collections including 10 occurrences