Fasciola candida Müller, 1774
Planaria quadrioculata Johnston, 1828-29
Nemertes Nemertes quadrioculata Johnston, 1837
Prostoma quadrioculata Johnston, 1846
Planaria algae Dalyell, 1853
Vermiculus coluber var. Dalyell, 1853
Polia quadrioculata Williams, 1858
Tetrastemma varicolor Claparède, 1862
Tetrastemma algae Johnston, 1865
Tetrastemma candida McIntosh, 1873-74
Prostoma (Tetrastemma) candidum Southern, 1908
Prostoma candidum Wijnhoff, 1912
Tetrastemma candidum Koehler, 1885