Bivalvia | ... | Hyrioidea | Hyriidae | Hyriinae | Rhipidodontini | Diplodon gratus

Lea, 1860. Proc. Acad. Nat. Sci. 12: 91.
Lea, 1863. Jour. Acad. Nat. Sci. 5 [O. 10]: 382 [18], pl. 43, fig. 290.
Type(s): HOLOTYPE USNM_85784, Uruguay R., S. Amercia.
= Diplodon gratus (Lea, 1860) — Campbell & Lydeard, 2026: 287.
= Diplodon gratus (Lea, 1860) — Graf & Cummings, 2021: 26.
= Diplodon gratus (Lea, 1860) — Miyahira et al., 2019: 24.
= Diplodon grata (Lea, 1860) — ITIS, 2013: [web].
= Rhipidodonta grata Lea, 1860 — Bogan, 2010: [web].
= Rhipidodonta grata (Lea, 1860) — Graf & Cummings, 2007: 312.
= Rhipidodonta grata (Lea, 1866) — Simone, 2006: 267, fig. 988.
= Diplodon rotundus gratus (Lea, 1860) — Mansur, 1970: 67.
+ Diplodon (Rhipidodonta) charruanus (Orbigny, 1835) — Bonetto & Mansur, 1970: 244.
+ Diplodon (Rhipidodonta) paranensis funebralis (Lea, 1860) — Haas, 1969: 527.
= Diplodon rotundus gratus (Lea, 1860) — Parodiz, 1968: 6.
+ Diplodon (Rhipidodonta) charruanus (d’Orbigny, 1835) — Bonetto, 1965: 50.
+ Diplodon (Rhipidodonta) charruanus (d’Orbigny, 1835) — Figueiras, 1965: 238.
+ Diplodon (Rhipidodonta) charruanus (Orbigny, 1835) — Bonetto, 1964: 327.
= Diplodon (s.s.) gratus (Lea, 1860) — Morretes, 1949: 20.
+ Diplodon (Cyclomya) paranensis funebralis (Lea, 1860) — Haas, 1931: 36.
= Diplodon (s.s.) gratus (Lea, 1860) — Ortmann, 1921: 534, pl. 48, fig. 3.
= Diplodon (Cyclomya s.s.) fontainianus var. gratus (Lea, 1860) — Simpson, 1914: 1281.
= Diplodon (Cyclomya s.s.) gratus (Lea, 1860) — Simpson, 1900: 886.
= Margaron (Unio) gratus (Lea) — Lea, 1870: 56.
= Unio gratus Lea, 1860 — Sowerby, 1868: pl. 84, sp. 444.