Baba K. (1960). THE GENERA POLYCERA, PALIO, GREILADA AND THECACERA FROM JAPAN (NUDIBRANCHIA-POLYCERIDAE). Publications of the Seto Marine Biological Laboratory. 8(1): 75-78. https://doi.org/10.5134/174699 4 species THE GENERA POLYCERA, PALIO, GREILADA AND THECACERA FROM JAPAN (NUDIBRANCHIA-POLYCERIDAE) Sort Taxonomically Sort Alphabetically Palio amakusana Baba, 1960 Polycera abei (Baba, 1960) Polycera sp. 7 Thecacera pennigera (Montagu, 1813) «1» See all posts