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1,156 littorinimorpha species
Calyptraea chinensis
Lacuna marmorata
Petaloconchus montereyensis
Vitrinella oldroydi
Crepidula incurva
Calyptraea mamillaris
Lyncina vitellus
Amnicola stygius
Colligyrus greggi
Fluminicola dalli
Littoraria undulata
Littoridinops palustris
Mexipyrgus carranzae
Phreatoceras taylori
Pyrgophorus parvulus
Somatogyrus tryoni
Tryonia porrecta
Tryonia aequicostata
Onobops crassus
Onobops jacksoni
Eremopyrgus eganensis
Ipnobius robustus
Hoyia sheldoni
Phreatodrobia nugax
Strombus pugilis
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