For citations:

Martynov A.V., Кorshunova T.A. New Species of Nudibranch Molluscs of the Family Onchidorididae Collected During Expedition “Eastern Bastion-Kurile Ridge 2021” from Coastal Waters of the Islands Urup and Chirpoy. Proceedings of the Russian Geographical Society. 2022;154(4):85-100. (In Russ.) https://doi.org/10.31857/S0869607122040036