Kalmar "Branchiobdella" tana nufin jinsin tsutsotsin tsutsotsi waɗanda galibi ana samun su a wuraren ruwan ruwa. Wadannan tsutsotsi suna da siffa ta lallausan jikinsu da yawa, kamar reshe, waɗanda suke shaƙa a ƙarƙashin ruwa. Ana samun su sau da yawa suna rayuwa a matsayin parasites a jikin kifin crayfish, kuma wasu lokuta suna
