Ancylidae


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References in periodicals archive ?
Dina parva Erpobdella punctata Mooreobdella Mooreobdella fervida Mooreobdella microstoma Glossiphoniidae Helobdella Helobdella stagnalis Placobdella unidentified leeches X X leech cocoons Phylum Mollusca Gastropoda Ancylidae Ferrissia C Hydrobiidae Amnicola X Lymnaeidae X Lymnaea Physidae C Aplexa Physa X X Physella Planorbidae Gyraulus X Helisoma Planorbula X Promenetus X Promenetus?