Bivalvia | Unionida | Unionoidea | Unionidae | Unioninae | Unionini | Oxynaiina
14 Recent freshwater species (15 total species)
(renamed Nodularidia Cockerell, 1901)
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 267.
Type species: Unio douglasiae Griffith & Pidgeon, 1833 (orig. desig.) = Nodularia douglasiae
(new name for Nodularia Conrad, 1853)
Cockerell, 1901. Science 13: 984.
Type species: Unio douglasiae Griffith & Pidgeon, 1833 = Nodularia douglasiae
Haas, 1911. Conch. Cab. 9 (pt. 2, h. 43): pls. 14-16.
Haas, 1913. Conch. Cab. 9 (pt. 2, h. 47): 152.
Haas, 1913. Nachr. Bl. Dtsch. Malak. Ges. 45: 34.
Type species: Unio jourdyi Morlet, 1886 (orig. desig.) = Nodularia douglasiae
(intro'd as sub-gen. of Nodularia Conrad, 1853)
Zatravkin & Bogatov, 1987. Biv. Far East: 60.
Type species: Nodularia lebedevi Zatravkin & Starobogatov, 1984 (orig. desig.) = Nodularia douglasiae
(intro'd as sub-gen. of Nodularia Conrad, 1853)
Martynov & Chernyshev, 1992. Zool. Zhur. 71: 19.
Type species: Nodularia (Magadaninaia) extremalis Martynov & Chernyshev, 1992 (orig. desig.) = Nodularia douglasiae
The Taxonomic History lists the ways authors have classified the species currently assigned to Nodularia, since 1900.
Nodularia (s.s.) — Simpson (1900), Haas (1911), Haas (1911), Preston (1912), Simpson (1914), Haas (1924), Zatravkin & Bogatov (1987), Korniushin (1998), Starobogatov et al. (2004), Bogatov (2012)
Unio (Nodularia) — Martens (1905), Dautzenberg & Fischer (1908), Zhadin (1938)
Unio — Dautzenberg & Fischer (1905), Dautzenberg & Fischer (1905), Simpson (1914), de Gregorio (1914), Haas (1940), ... Zhou et al. (2017), Araujo et al. (2018), Wang et al. (2018), Aunins et al. (2018), Wang et al. (2018)
Nodularia — Haas (1910), Simpson (1914), Haas (1920), Moskvicheva (1973), Dang et al. (1980), ... Chen et al. (2025), Klymus et al. (2025), Campbell & Lydeard (2026), Wu et al. (2026), Wu et al. (2026)
Nodularia (sec. Scabies) — Haas (1911)
Oxynaia — Haas (1913), Haas (1924), Prashad (1932), Thiele (1934), Haas (1969), ... Bogan (2010), IUCN (2011), IUCN (2012), Zieritz et al. (2018), Do et al. (2018)
Nodularia (Scabies) — Haas (1924)
Lymnium — Kira (1954)
Scabies — Haas (1969), Brandt (1974), Hu (2005), Graf & Cummings (2007), Bogan (2010), IUCN (2011), He & Zhuang (2013), WoRMS (2017), Graf & Cummings (2021)
Middendorffinaia (s.s.) — Moskvicheva & Starobogatov (1973), Zatravkin (1983), Zatravkin & Bogatov (1987), Starobogatov et al. (2004), Bogatov (2012), Vinarski & Kantor (2016), Bogatov & Prozorova (2017)
Middendorffinaia (Sujfununio) — Moskvicheva & Starobogatov (1973)
Nodularia (Amurunio) — Zatravkin & Bogatov (1987), Korniushin (1998), Starobogatov et al. (2004), Klishko et al. (2018)
Nodularia (Magadaninaia) — Martynov & Chernyshev (1992), Starobogatov et al. (2004)
Middendorffinaia — Kantor & Sysoev (2005), Kantor et al. (2010), Klishko et al. (2019), Bogatov (2022)
Pseudobaphia — Prozorova et al. (2005)
Acuticosta — He & Zhuang (2013), Zieritz et al. (2018), Liu et al. (2020)
Nodularidia — He & Zhuang (2013)
Ptychorhynchus — He & Zhuang (2013), Zieritz et al. (2018), Graf & Cummings (2021)