FAMILY;"NUMBER OF SPECIES IN FAEU (in brackets, estimated actual number of existing species)";SPECIALIST(S) Acanthobdellidae;"1  (1)";"Alessandro Minelli, Boris Sket" Branchiobdellidae;"9  (9)";"Alessandro Minelli, Boris Sket" Cambarincolidae;"1  (1)";"Alessandro Minelli, Boris Sket" Erpobdellidae;"32 (~42)";"Alessandro Minelli, Boris Sket" Glossiphoniidae;"18 (~20)";"Alessandro Minelli, Boris Sket" Haemopidae;"2  (2)";"Alessandro Minelli, Boris Sket" Hirudinidae;"5  (5)";"Alessandro Minelli, Boris Sket" Piscicolidae;"27 (~29)";"Alessandro Minelli, Boris Sket" Xerobdellidae;"3  (3)";"Alessandro Minelli, Boris Sket"