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
Fri 13 February 2026
Bivalvia | ... | Unionidae | Gonideinae | Rectidentini | Rectidentina | Hyriopsis bialata
nominal species Hyriopsis bialatus Simpson, 1900
Hyriopsis bialatus Simpson, 1900 = Hyriopsis bialata
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 579.
(new name for Unio delphinus Gruner, 1841; renamed Unio delphinopterus Dautzenberg & Fischer, 1905)
Taxonomic Opinions
= Hyriopsis bialata Simpson, 1900 — Dai et al., 2025: Table 2.
= Hyriopsis bialata — Dai et al., 2025: Table 1.
= Hyriopsis bialata Simpson, 1900 — Chen et al., 2025: Table S3.
= Hyriopsis bialata — Chen et al., 2025: Table 1.
= Hyriopsis bialata Simpson, 1900 — Wu et al., 2024: 4, 7, Tables 1-2.
= Hyriopsis bialata Simpson, 1900 — Liu et al., 2024: Table 2.
= Hyriopsis bialata — Zieritz et al., 2024: Table S1.
= Hyriopsis bialata — Matos et al., 2024: 895.
= Hyriopsis bialata — Matos et al., 2024: 698.
= Hyriopsis bialata — Wu et al., 2024: Tables S2-S3.
= Hyriopsis bialata Simpson, 1900 — Jeratthitikul et al., 2024: Table S1.
= Hyriopsis bialata — Dai et al., 2024: Table 2.
= Hyriopsis bialata — Zhang et al., 2024: Fig. 5, Table S3.
= Hyriopsis bialata Simpson, 1900 — Konopleva et al., 2023: Table S2.
= Hyriopsis bialata Simpson, 1900 — Dai et al., 2023: 156, 157, Tables 1-2.
= Hyriopsis bialata — Wu et al., 2023: Table 2.
= Hyriopsis bialata Simpson, 1900 — Jeratthitikul et al., 2022: Table S1.
= Hyriopsis bialata Simpson, 1900 — Pfeiffer et al., 2021: 450, figs. 1, 9-10, 27, 33-34.
= Hyriopsis bialata Simpson, 1900 — Graf & Cummings, 2021: 24.
= Hyriopsis bialata Simpson, 1900 — Jeratthitikul et al., 2021: 127.
= Hyriopsis bialata — Zieritz et al., 2021: 3176.
= Hyriopsis bialata Simpson, 1900 — Jeratthitikul et al., 2021: 125.
= Hyriopsis bialata — Zieritz et al., 2021: 1091.
= Hyriopsis bialata — Lopes-Lima et al., 2020: Table 1.
= Hyriopsis bialatus Simpson, 1900 — Bolotov et al., 2020: Table S1.
= Hyriopsis bialata — Zieritz et al., 2020: 2242.
= Hyriopsis bialata (Simpson, 1900) — Ng et al., 2020: 119, fig. 3E.
= Hyriopsis bialata Simpson, 1900 — Huang et al., 2019: Table S4.
= Hyriopsis bialatus Simpson, 1900 — Konopleva et al., 2019: Table S1.
= Hyriopsis “bialatus” — Muanta et al., 2019: 225.
= Hyriopsis bialata Simpson, 1900 — Pfeiffer et al., 2019: 116.
= H. bialatus Simpson, 1900 — Konopleva et al., 2019: Appendix 1.
= Hyriopsis bialatus Simpson, 1900 — Muanta et al., 2019: 225.
= Hyriopsis bialata Simpson, 1900 — Zieritz et al., 2018: online Table 1.
= Hyriopsis bialatus — Do et al., 2018: 8.
= Hyriopsis bialata (Simpson, 1900) — Razak et al., 2018: 459.
= Hyriopsis bialata Simpson, 1900 — Lopes-Lima et al., 2017: 177.
= Hyriopsis bialata Simpson, 1900 — Bolotov et al., 2017: [14], Table S1.
= Hyriopsis bialata Simpson, 1900 — Bolotov et al., 2017: Table S1.
= Hyriopsis bialata (Simpson, 1900) — Ng et al., 2016: [5].
= Hyriopsis bialata Simpson, 1900 — Zieritz et al., 2016: 1071.
= Hyriopsis (s.s.) bialatus — Soliman et al., 2016: 122.
= Hyriopsis bialatus — Kongim et al., 2015: 98, fig. 2B.
= Hyriopsis bialatus Simpson, 1900 — Bogan & Do, 2014: 113.
= Hyriopsis bialata — Vannarattanarat et al., 2013: 237.
= Hyriopsis bialata Simpson, 1900 — IUCN, 2012: [web].
= Hyriopsis bialatus Simpson, 1900 — Bogan, 2010: [16].
= Hyriopsis bialatus Simpson, 1900 — Graf, 2007: 87.
= Hyriopsis bialata Simpson, 1900 — Graf & Cummings, 2007: 310.
= Hyriopsis bialatus Simpson — Sri-aroon et al., 2007: 298.
= Hyriopsis (s.s.) bialatus Simpson, 1900 — Habe, 1977: 116.
= Hyriopsis (s.s.) bialatus Simpson, 1900 — Brandt, 1974: 272, pl. 21, fig. 36.
= Hyriopsis bialata Simpson, 1900 — Haas, 1969: 147, 148.
= Hyriopsis bialata Simpson, 1900 — Haas, 1969: N423, fig. D23:2.
= Hyriopsis bialata Simpson, 1900 — Haas, 1924: 168, text figs. 7-8.
= Hyriopsis (s.s.) bialata Simpson, 1900 — Simpson, 1914: 207.
= Hyriopsis bialatus Simpson — Preston, 1912: 279.
+ Unio delphinopterus Dautzenberg & Fischer, nom. subst. — Dautzenberg & Fischer, 1905: 456.
= Hyriopsis (s.s.) bialatus Simpson, 1900 — Simpson, 1900: 579.
