立石司幸 Posts 11 Published 10 Species 11 Hexabranchus giganteus Tibiriçá, Pola & Cervera, 2023 Trinchesia sp.41 Eubranchus echizenicus Baba, 1975 Phyllodesmium sp. 2 Doris immonda (Risbec, 1928) Doris sp. 2 Discodorid sp. 5 Ceratosoma sp. 2 Hancockia sp. 4 Eubranchus sp.30