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The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)
FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!
Bivalvia | ... | Unionidae | Gonideinae | Rectidentini | Hyriopsis species Hyriopsis bialata Simpson, 1900: synonymy
85 specimens + 9 Genbank vouchers Unio delphinus Lea, 1840
 Lea, 1840. Proc. Amer. Phil. Soc. 1: 285.
 Lea, 1842. Trans. Amer. Phil. Soc. 8 [O. 3]: 218, pl. 17, fig. 35.
(homonym of Unio delphinus Spengler, 1793)
Type(s): HOLOTYPE USNM_83910, New Holland.
Hyriopsis (s.s.) bialatus — Simpson (1900)
Unio delphinopterus — Dautzenberg & Fischer (1905)
Hyriopsis bialata — Pfeiffer et al. (2021) | |
Unio delphinus Gruner, 1841
Gruner, 1841. Arch. Naturg. 7(1): 276, pl. 11, figs. 1-1c.
(homonym of Unio delphinus Spengler, 1793; renamed Hyriopsis bialatus Simpson, 1900)
Type(s): TYPE USNM_83910, New Holland.
Hyriopsis (s.s.) bialatus — Simpson (1900), Brandt (1974), Habe (1977)
Unio delphinopterus — Dautzenberg & Fischer (1905)
Hyriopsis bialatus — Preston (1912)
Hyriopsis (s.s.) bialata — Simpson (1914)
Hyriopsis bialata — Haas (1924), Haas (1969), Haas (1969), Graf & Cummings (2007), IUCN (2012), Ng et al. (2020), Pfeiffer et al. (2021), Graf & Cummings (2021)
Hyriopsis delphinus — Thiele (1934), Modell (1942) | |
Unio megapterus Morelet, 1864
Morelet, 1864. J. de Conch. 12: 159.
(homonym of Metaptera megaptera Rafinesque, 1820)
Hyriopsis (s.s.) bialatus — Simpson (1900), Brandt (1974)
Unio delphinopterus — Dautzenberg & Fischer (1905)
Hyriopsis bialatus — Preston (1912)
Hyriopsis (s.s.) bialata — Simpson (1914)
Hyriopsis bialata — Haas (1924), Haas (1969), IUCN (2012), Pfeiffer et al. (2021) | |
Hyriopsis bialatus Simpson, 1900
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 579.
(new name for Unio delphinus Gruner, 1841; renamed Unio delphinopterus Dautzenberg & Fischer, 1905)
Hyriopsis (s.s.) bialatus — Simpson (1900), Brandt (1974), Habe (1977), Soliman et al. (2016)
Unio delphinopterus — Dautzenberg & Fischer (1905)
Hyriopsis bialatus — Preston (1912), Graf (2007), Sri-aroon et al. (2007), Bogan (2010), Bogan & Do (2014), Kongim et al. (2015), Do et al. (2018), Konopleva et al. (2019), Muanta et al. (2019), Bolotov et al. (2020)
Hyriopsis (s.s.) bialata — Simpson (1914)
Hyriopsis bialata — Haas (1924), Haas (1969), Haas (1969), Graf & Cummings (2007), IUCN (2012), ... Jeratthitikul et al. (2024), Dai et al. (2024), Zhang et al. (2024), Dai et al. (2025), Dai et al. (2025)
Hyriopsis “bialatus” — Muanta et al. (2019)
H. bialatus — Konopleva et al. (2019) | |
Unio delphinopterus Dautzenberg & Fischer, 1905
Dautzenberg & Fischer, 1905. J. de Conch. 53: 456.
(new name for Hyriopsis bialatus Simpson, 1900)
Unio delphinopterus — Dautzenberg & Fischer (1905)
Hyriopsis (s.s.) bialata — Simpson (1914)
Hyriopsis bialata — Haas (1924), Haas (1969), Pfeiffer et al. (2021)
Hyriopsis (s.s.) bialatus — Brandt (1974) | |
Hyriopsis gracilis Haas, 1910
Haas, 1910. Nachr. Bl. Dtsch. Malak. Ges. 42: 101.
Hyriopsis gracilis — Haas (1910), Do et al. (2018), Konopleva et al. (2019), Bolotov et al. (2020), Zieritz et al. (2020), Graf & Cummings (2021)
Hyriopsis (s.s.) gracilis — Simpson (1914)
Hyriopsis bialata — Haas (1924), Haas (1969), Pfeiffer et al. (2021)
Hyriopsis (s.s.) bialatus — Brandt (1974)
H. gracilis — Konopleva et al. (2019) | |
Taxonomic History (since 1900)Hyriopsis (s.s.) bialatus — Simpson (1900), Brandt (1974), Habe (1977), Soliman et al. (2016)
Unio delphinopterus — Dautzenberg & Fischer (1905)
Hyriopsis gracilis — Haas (1910), Do et al. (2018), Konopleva et al. (2019), Bolotov et al. (2020), Zieritz et al. (2020), Graf & Cummings (2021)
Hyriopsis bialatus — Preston (1912), Graf (2007), Sri-aroon et al. (2007), Bogan (2010), Bogan & Do (2014), Kongim et al. (2015), Do et al. (2018), Konopleva et al. (2019), Muanta et al. (2019), Bolotov et al. (2020)
Hyriopsis (s.s.) bialata — Simpson (1914)
Hyriopsis (s.s.) gracilis — Simpson (1914)
Hyriopsis bialata — Haas (1924), Haas (1969), Haas (1969), Graf & Cummings (2007), IUCN (2012), ... Jeratthitikul et al. (2024), Dai et al. (2024), Zhang et al. (2024), Dai et al. (2025), Dai et al. (2025)
Hyriopsis delphinus — Thiele (1934), Modell (1942)
Hyriopsis “bialatus” — Muanta et al. (2019)
H. bialatus — Konopleva et al. (2019)
H. gracilis — Konopleva et al. (2019)
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