Baba K. (1968). A revised description of Alderia nigra Baba, 1937, type species of Alderiopsis, n. g., from Japan (Opisthobranchia: Sacoglossa). Bijdragen tot de Dierkunde. 38: 327-330. 1 species Sort Taxonomically Sort Alphabetically Alderiopsis nigra (Baba, 1937) See all posts