Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 85. (Budapest 1993)

Nesemann, H.: Identification key to the Hungarian leeches of the subfamily Trochetinae Pawlowski, 1954, with notes on systematics of the subfamily Erpobdellinae Blanchard, 1894 (Hirudinea)

Figs 30-35. Trocheta bykowskii: 30 = habitus dorsal, 31 = lateral, 32 = atrium ventral, 33 = lateral, 34 = oral sucker with pharynx and pseudognaths, sectioned, ventral, 35 = colouration of one somite dorsal (Figs 30-31 = Alfbach, Eifel, Germany, Figs 32-34 = Wisper, Taunus, Germany, 35 = Mauerbach, Wienerwald, Austria)