Malacobdella anceps accepted as Malacobdella grossa (Müller, 1776)
Malacobdella arrokeana Ivanov, Bigatti, Penchaszadeh & Norenburg, 2002
Malacobdella cardii accepted as Malacobdella grossa (Müller, 1776)
Malacobdella grossa (Müller, 1776)
Malacobdella japonica Takakura, 1897
Malacobdella macomae Kozloff, 1991
Malacobdella mercenaria Verrill, 1873 accepted as Malacobdella grossa (Müller, 1776)
Malacobdella mercenariae accepted as Malacobdella grossa (Müller, 1776)
Malacobdella minuta Coe, 1945
Malacobdella myae accepted as Malacobdella grossa (Müller, 1776)
Malacobdella obesa Verrill, 1873 accepted as Malacobdella grossa (Müller, 1776)
Malacobdella siliquae Kozloff, 1991
Malacobdella valenciennaei accepted as Malacobdella grossa (Müller, 1776)