Taxonomical Study on Some Species of the Genus Phyllodesmium from Cape Muroto-misaki, Shikoku, and Okinawa Province, Southern Japan (Nudibranchia : Facelinidae)

Abstract

The species of Phyllodesmium described in this paper are : 1. Phyllodesmium orientale n. sp. from Ishigaki-jima, Okinawa ; 2. P. kabiranum n. sp. from Ishigaki-jima, Okinawa ; 3. P. iriomotense n. sp. from Iriomote-jima, Okinawa ; and 4. P. macphersonae (Burn, 1962) from Cape Muroto-misaki, Shikoku.