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Eutritonium (S****ia) Bellardi, 1873
Lampusia (S****ia) Bellardi, 1873 †
Monocirsus Cossmann, 1889 ·
Phanozesta Iredale, 1936 S****oia Rovereto, 1900 (unjustified...
- †Molopophorus †Monalaria †Monetaria †Monilea †Moniliopsis †Moniliriretusa †
Monocirsus †Monocuphus †Monodentella †Monodilepas
Monodonta †Monoplex †Monopophorus...