Ostergaard J.M. (1955). Some opisthobranchiate Mollusca from Hawaii. Pacific Science, 9(2): 110-136. 4 species Sort Taxonomically Sort Alphabetically Hexabranchus aureomarginatus Ostergaard, 1955 Hexabranchus sandwichensis (Gray, 1850) Elysia degeneri Ostergaard, 1955 Elysia nealae Ostergaard, 1955 «1» See all posts
