Chichvarkhin A.Yu., Ekimova I.A., Chalenko K.P., Schepetov D., Chichvarkhina O.V. & Valdés Á.A. (2016). Placida babai (Mollusca: Gastropoda: Sacoglossa) from Russian waters of the Sea of Japan. The Bulletin of the Russian Far East Malacological Society. 20(1): 44-56. に掲載されているウミウシ 2