MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Thu 22 January 2026
Bivalvia | Unionida | Hyrioidea | Hyriidae | Hyriinae | Rhipidodontini | Diplodon
species Diplodon paranensis (Lea, 1834): synonymy
Synonymy
Unio paranensis Lea, 1834
Lea, 1834. Trans. Amer. Phil. Soc. 5 [O. 1]: 99 [211], pl. 14, fig. 42.
Type(s): POSSIBLE SYNTYPES ANSP_41798, South America.
Diplodon (Cyclomya s.s.) paranensis — Simpson (1900), Simpson (1914)
Unio paranensis — Corsi (1900)
Diplodon paranensis — Marshall (1917), Bonetto (1959), Parodiz (1968), Quintana (1982), Graf (2000), Pereira et al. (2014), Torres et al. (2018), Graf & Cummings (2021)
Diplodon (Cyclomya) paranensis — Ortmann (1921), Pilsbry (1933)
Diplodon (Cyclomya) paranensis paranensis — Haas (1931)
Diplodon (Rhipidodonta) paranensis — Thiele (1934), Figueiras (1965), Haas (1969)
Diplodon (Rhipidodonta) paranaensis [sic] — Morretes (1949)
Diplodon (Rhipidodonta) variabilis — Parodiz & Bonetto (1963), Bonetto (1965)
Diplodon (Rhipidodonta) paranensis paranensis — Haas (1969)
Rhipidodonta variabilis — Simone (2006), Graf & Cummings (2007)
Rhipidodonta paranensis — Mansur et al. (2020), Torres et al. (2024)
Unio paraguayanus Martens, 1895
Martens, 1895. S.-Ber. Ges. Naturf. Freunde zu Berlin 1895: 34.
Diplodon paraguayanus — Simpson (1900), Simpson (1914)
Diplodon (Cyclomya) paranensis — Ortmann (1921)
Diplodon (Cyclomya) paranensis paranensis — Haas (1931)
Diplodon (Rhipidodonta) variabilis — Bonetto (1965)
Diplodon (Rhipidodonta) paranensis — Figueiras (1965)
Diplodon delodontus delodontus — Parodiz (1968), Quintana (1982)
Diplodon (Rhipidodonta) paranensis paranensis — Haas (1969)
Rhipidodonta variabilis — Simone (2006)
Diplodon (Rhipidodonta) paranaensis ‘Lea’ of Authors
‘Lea’ of Authors.
Morretes, 1949. Arqu. Mus. Paranaense 7: 20.
Simone, 2006. Land. Freshw. Moll. Brazil.: 273.
(error for Unio paranensis Lea, 1834)
Rhipidodonta variabilis — Simone (2006)
Taxonomic History (since 1900)
Diplodon (Cyclomya s.s.) paranensis — Simpson (1900), Simpson (1914)
Diplodon paraguayanus — Simpson (1900), Simpson (1914)
Unio paranensis — Corsi (1900)
Diplodon paranensis — Marshall (1917), Bonetto (1959), Parodiz (1968), Quintana (1982), Graf (2000), Pereira et al. (2014), Torres et al. (2018), Graf & Cummings (2021)
Diplodon (Cyclomya) paranensis — Ortmann (1921), Pilsbry (1933)
Diplodon (Cyclomya) paranensis paranensis — Haas (1931)
Diplodon (Rhipidodonta) paranensis — Thiele (1934), Figueiras (1965), Haas (1969)
Diplodon (Rhipidodonta) paranaensis [sic] — Morretes (1949)
Diplodon (Rhipidodonta) variabilis — Parodiz & Bonetto (1963), Bonetto (1965)
Diplodon delodontus delodontus — Parodiz (1968), Quintana (1982)
Diplodon (Rhipidodonta) paranensis paranensis — Haas (1969)
Rhipidodonta variabilis — Simone (2006), Graf & Cummings (2007)
Rhipidodonta paranensis — Mansur et al. (2020), Torres et al. (2024)
