Bivalvia | Unionida | Unionoidea | Unionidae | Unioninae | Acuticostini | Acuticosta
6 specimens + 2 GenBank vouchers
(homonym of Unio vestitus Lea, 1861; renamed Quadrula (Lamprotula) ovata Simpson, 1900)
Heude, 1883. Conch. Fluv. Nanking (8): pl. 58, fig. 112.
Quadrula (Lamprotula) ovata — Simpson (1900)
Acuticosta ovata — Haas (1914), Haas (1969), Liu et al. (1979), Prozorova et al. (2005), He & Zhuang (2013)
Quadrula (Lamprotula) (Group of Q. leai) ovata — Simpson (1914)
(new name for Unio vestitus Heude, 1883)
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 801.
Simpson, 1914. Descr. Cat. Naiades: 933.
Quadrula (Lamprotula) ovata — Simpson (1900)
Acuticosta ovata — Haas (1914), Haas (1969), Liu et al. (1979), Wu et al. (1999), Huang et al. (2002), ... Huang et al. (2019), Liu et al. (2020), Liu et al. (2022), Wang et al. (2025), Wu et al. (2026)
Quadrula (Lamprotula) (Group of Q. leai) ovata — Simpson (1914)
Acuticosta retiaria — Graf & Cummings (2021), Campbell & Lydeard (2026)

Haas, 1910. Nachr. Bl. Dtsch. Malak. Ges. 42: 97.
HOLOTYPE SMF_365798, Hunan, Mittelchina.
Parreysia hunanensis — Haas (1910), Simpson (1914)
Acuticosta ovata — Haas (1914), Haas (1969), Liu et al. (1979), Prozorova et al. (2005), He & Zhuang (2013)
Quadrula (Lamprotula) (Group of Q. leai) ovata — Simpson (1914)
Acuticosta retiaria — Nagel (2025)
(intro'd as intra-sp. of Unio trisulcatus Heude, 1883)
Tchang et al., 1965. Acta Zool. Sinica 17(2): ??.
Acuticosta trisulcata triangula — Prozorova et al. (2005)
Acuticosta triangula — Hu (2005)
Acuticosta ovata — He & Zhuang (2013)
Quadrula (Lamprotula) ovata — Simpson (1900)
Parreysia hunanensis — Haas (1910), Simpson (1914)
Acuticosta ovata — Haas (1914), Haas (1969), Liu et al. (1979), Wu et al. (1999), Huang et al. (2002), ... Huang et al. (2019), Liu et al. (2020), Liu et al. (2022), Wang et al. (2025), Wu et al. (2026)
Quadrula (Lamprotula) (Group of Q. leai) ovata — Simpson (1914)
Acuticosta trisulcata triangula — Prozorova et al. (2005)
Acuticosta triangula — Hu (2005)
Acuticosta retiaria — Graf & Cummings (2021), Nagel (2025), Campbell & Lydeard (2026)