Kudrin, L.N. (1957)
O nachodkach zubov akul v otlozenijach miocena jugozapadnoj okrainy Russkoj platformy (On some finds of the shark's teeth in the Miocene's deposits in the South-Western border of the Russian platform). Geol. Sborn. Lvov. Geol. Obsc.(Geol. J . of Geol. Soc. in Lvov), 4: 295