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1,156 littorinimorpha species
Melanella conoidea
Melanella hypsela
Niso aeglees
Niso hendersoni
Eulima bifasciata
Oceanida graduata
Sabinella troglodytes
Scalenostoma subulatum
Coahuilix landyei
Pyrgulopsis brandi
Tryonia seemani
Euspira fringilla
Haliotinella patinaria
Natica perlineata
Natica marochiensis
Polinices hepaticus
Polinices uberinus
Sigatica carolinensis
Sinum maculatum
Sinum minus
Stigmaulax sulcatus
Tectonatica pusilla
Calyptraea centralis
Crepidula excavata
Crepidula striolata
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