Bivalvia | Unionida | Trigonioidoidea | Nakamuranaiadidae
0 Recent freshwater species (2 total species)
Suzuki, 1941. Jour. Geol. Soc. Japan 48(575): 411.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio (Nippononaia) ryosekiana Suzuki, 1941 (orig. desig.) = Nippononaia ryosekiana
[author ?], 1957. Zentrabl. Geol. Paläont. (1957) 2: 137.
(error for Nippononaia Suzuki, 1941)
Type species: Unio (Nippononaia) ryosekiana Suzuki, 1941 = Nippononaia ryosekiana
Maeda, 1962. Trans. Proc. Palaenot. Soc. Japan 46: 248.
(error for Nippononaia Suzuki, 1941)
Type species: Unio (Nippononaia) ryosekiana Suzuki, 1941 = Nippononaia ryosekiana
Barker et al., 1997. Palaeontology 40(4): 957.
(intro'd as sub-gen. of Nippononaia Suzuki, 1941)
Type species: Nippononaia (Subnippononaia) fordi Barker et al., 1997 (orig. desig.) = Nippononaia fordi
The Taxonomic History lists the ways authors have classified the species currently assigned to Nippononaia, since 1900.
Unio (Nippononaia) — Suzuki (1941)
Nippononaia — Haas (1969)
Nippononaia (Subnippononaia) — Barker et al. (1997)