Bivalvia | Unionida | Hyrioidea | Hyriidae | Hyriinae | Rhipidodontini | Diplodon

Ortmann, 1921. Mem. Carnegie Mus. 8: 491, pl. 34. figs. 5-7; pl. 35, figs. 1-2; pl. 45, fig. 1; pl. 47, fig. 6; text fig. 4b.
Type(s): LECTOTYPE CM_61.9248 (by R.I. Johnson, 1977: 238), Rio Vaccacahy-Mirim, Santa Maria, Rio Grande do Sul, Brazil.
Diplodon (s.s.) imitator — Ortmann (1921), Morretes (1949), Pereira et al. (2014)
Diplodon rhuacoicus — Haas (1930)
Diplodon (s.s.) delodontus expansus — Bonetto (1964)
Diplodon (s.s.) delodontus pilsbryi — Figueiras (1965)
Diplodon martensi — Parodiz (1968), Mansur (1970), Quintana (1982)
Diplodon (s.s.) rhuacoicus — Haas (1969)
Diplodon (s.s.) delodontus wimanii [sic] — Bonetto & Mansur (1970)
Rhipidodonta charruana — Simone (2006)
Diplodon imitator — Mansur et al. (2020), Graf & Cummings (2021)
Diplodon (s.s.) imitator — Ortmann (1921), Morretes (1949), Pereira et al. (2014)
Diplodon rhuacoicus — Haas (1930)
Diplodon (s.s.) delodontus expansus — Bonetto (1964)
Diplodon (s.s.) delodontus pilsbryi — Figueiras (1965)
Diplodon martensi — Parodiz (1968), Mansur (1970), Quintana (1982)
Diplodon (s.s.) rhuacoicus — Haas (1969)
Diplodon (s.s.) delodontus wimanii [sic] — Bonetto & Mansur (1970)
Rhipidodonta charruana — Simone (2006)
Diplodon imitator — Mansur et al. (2020), Graf & Cummings (2021)