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1,156 littorinimorpha species
Schwartziella bakeri
Pyrgulopsis giulianii
Echinolittorina melanacme
Somatogyrus parvulus
Pyrgulopsis pisteri
Trivia monacha
Truncatella caribaeensis
Casmaria ponderosa
Crossata californica
Neverita delessertiana
Sabia australis
Pyrgulopsis gilae
Pyrgulopsis metcalfi
Pyrgulopsis trivialis
Pyrgulopsis wongi
Marsenina glabra
Charonia tritonis
Tutufa bufo
Mexithauma quadripaludium
Heleobops carrikeri
Malea ringens
Bursa rosa
Amnicola stygius
Colligyrus greggi
Fluminicola dalli
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