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tudes sur les mollusques terrestres et fluviatales du Mexique et du Guatemala Pl. LXI . Eacpd scie du Mexiai ZordoyXe partie PI raaii cZ et li Imprimerie Nationale Unio GyrenxL' Pl LXI Illustration biodiversitylibrary org title Crosse Hippolyte Fischer Paul Henri MilneEdwards NameFound Unio NameConfirmed Unio EOLID