Proćków M., Mackiewicz P., Pieńkowska J. R. 2013. Genetic and morphological studies of species status for poorly known endemic Trochulus phorochaetius (Bourguignat, 1864) (Gastropoda: Pulmonata: Hygromiidae), and its comparison with closely related taxa. Zoological Journal of the Linnean Society. 169(1): 124-43. doi:10.1111/zoj.12048