Giacobbe S. & De Matteo S. (2013). The potentially invasive opisthobranch Polycera hedgpethi Er. Marcus, 1964 (Gastropoda Nudibranchia), introduced in a Mediterranean coastal lagoon. Biodiversity Journal. 4(2): 359-364. 1 species Sort Taxonomically Sort Alphabetically Polycera hedgpethi Er. Marcus, 1964 See all posts