Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Lasmigona
3 specimens + 1 GenBank voucher
Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 318, pl. 82, figs. 15-16.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 60.
Symphynota (Lasmigona) costata — Simpson (1900), Ortmann (1909), Simpson (1914)
Symphynota costata — Ortmann (1909), Ortmann (1909), Ortmann (1910), Ortmann (1912), Utterback (1915)
Lasmigona (s.s.) costata — Ortmann (1918), Ortmann & Walker (1922), Ortmann (1924), Ortmann (1925), Frierson (1927), ... Haas (1969), R.I. Johnson (1970), Clarke (1985), Graf & Cummings (2007), Campbell & Lydeard (2026)
Lasmigona costata — Murray & Leonard (1962), Clarke (1973), Burch (1975), Gordon et al. (1979), Mathiak (1979), ... Hnytka et al. (2022), Whelan et al. (2023), Hopper et al. (2023), Perkins et al. (2025), FMCS (2025)
Barnes, 1823. Amer. J. Sci. 6 (1-2): 278, pl. 13, fig. 21.
Symphynota (Lasmigona) costata — Simpson (1900), Simpson (1914)
Unio (Margaritana) rugosa — Call (1900)
Symphynota costata — Utterback (1915)
Lasmigona (s.s.) costata — Ortmann (1918), Ortmann & Walker (1922), Frierson (1927), F.C. Baker (1928), Haas (1969), Haas (1969), Clarke (1985)
Lasmigona costata — Murray & Leonard (1962), Burch (1975), Oesch (1984), Strayer & Jirka (1997), Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)
Rafinesque, 1831. Continuation: 5.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 80.
Alasmidonta hians — Simpson (1914)
Lasmigona (s.s.) costata — Haas (1969), Clarke (1985)
Lasmigona costata — Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)
(reference to Alasmodonta rugosa Barnes, 1823)
Rafinesque, 1831. Continuation: 5.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 79.
Lasmigona costata — Parmalee & Bogan (1998), Watters et al. (2009)

(intro'd as intra-sp. of Alasmidonta costata Rafinesque, 1820; correct name for Lasmigona costata var. eriganensis Grier, 1918)
Grier, 1918. Nautilus 32(1): 10.
Type(s): LECTOTYPE CM_61.4720 (by Parodiz, 1967: 26), “Big Bend” (W of waterworks), Presque Isle Bay, Erie, Erie County, Pennsylvania.
Lasmigona (s.s.) costata-ereganensis — Frierson (1927)
Lasmigona (s.s.) costata — Haas (1969), Clarke (1985)
Lasmigona costata — Clarke (1973), Burch (1975), Strayer & Jirka (1997), Parmalee & Bogan (1998), Williams et al. (2008)
(incorrect original spelling of Lasmigona costata var. ereganensis Grier, 1918)
Grier, 1918. Nautilus 32(1): 10.
Lasmigona costata — Watters et al. (2009)

(intro'd as intra-sp. of Alasmidonta costata Rafinesque, 1820)
F.C. Baker, 1928. Bull. Wisconsin Geol. Nat. Hist. Survey 70(2): 145, pl. 59, fig. 3-6.
Type(s): HOLOTYPE (ORIG. DESIG.) UMMZ_209131, Red Cedar R., Chetek, Wis.
Lasmigona (s.s.) costata nuda — F.C. Baker (1928)
Lasmigona costata — Clarke (1973), Burch (1975), R.I. Johnson (1980), Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)
Lasmigona (s.s.) costata — Clarke (1985)

(intro'd as intra-sp. of Alasmidonta costata Rafinesque, 1820)
F.C. Baker, 1928. Bull. Wisconsin Geol. Nat. Hist. Survey 70(2): 144, pl. 59, figs. 1-2.
Type(s): HOLOTYPE (ORIG. DESIG.) UMMZ_209133, L. Pepin, Wisconsin.
Lasmigona (s.s.) costata pepinensis — F.C. Baker (1928)
Lasmigona costata — Clarke (1973), Burch (1975), R.I. Johnson (1980), Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)
Lasmigona (s.s.) costata — Clarke (1985)
(misidentified reference to Symphynota compressa Lea, 1829)
‘Lea’ of Authors.
Graf & Ó Foighil, 2000. J. Moll. Studies 66: 160.
Graf & Cummings, 2006. Zool. J. Linn. Soc. 148: 348.
Hoeh et al., 2009. Malacologia 51(2): 310.
Jadhav & Jamkhedkar, 2009. Res. J. BioTech. 4(1): 43.
Whelan et al., 2011. MPE 61: 506.
Lopes-Lima et al., 2017. MPE 106: 177.
Bolotov et al., 2017. Sci. Repts. 7: Table S1.
Bolotov et al., 2017. Sci. Repts. 7: Table S1.
Bolotov et al., 2018. Sci. Repts. 8: Table S1.
Huang et al., 2019. MPE 130: Table S4.
Lopes-Lima et al., 2020. MPE 146: Table 1.
Wu et al., 2021. J. Lake Sci. 33(6): attached Table 1.
Jeratthitikul et al., 2022. Sci. Repts. 12: Table S1.
Wu et al., 2023. ZooKeys 1166: 263, Table 1.
Liu et al., 2023. ZooKeys 1179: Table 1.
Dai et al., 2025. Zoosyst. Evol. 101(2): Table 1. [in part]
Chen et al., 2025. Zoosyst. Evol. 101(4): Table 1.
Lasmigona costata — Pfeiffer & Graf (2015)
(reference to Amblasmodon hians Rafinesque, 1831)
‘Rafinesque’ Ferussac, 1835. Mag. Zool. 5(59-60): 25.
Symphynota (Lasmigona) costata — Simpson (1900), Simpson (1914)
Lasmigona costata — Watters et al. (2009)
(intro'd as syn of Alasmodonta rugosa Barnes, 1823)
‘Say’ Lea, 1836. Synopsis Fam. Naiades: 44.
‘Say’ Lea, 1852. Synopsis Fam. Naiades: 42.
Lasmigona (s.s.) costata — Haas (1930)
(error for Alasmodonta abducta Lea, 1836)
‘Say’ Haas, 1930. Senckenbergiana 12(6): 326.
Symphynota (Lasmigona) costata — Simpson (1900), Ortmann (1909), Simpson (1914)
Unio (Margaritana) rugosa — Call (1900)
Symphynota costata — Ortmann (1909), Ortmann (1909), Ortmann (1910), Ortmann (1912), Utterback (1915)
Alasmidonta hians — Simpson (1914)
Lasmigona (s.s.) costata — Ortmann (1918), Ortmann & Walker (1922), Ortmann (1924), Ortmann (1925), Frierson (1927), ... Haas (1969), R.I. Johnson (1970), Clarke (1985), Graf & Cummings (2007), Campbell & Lydeard (2026)
Lasmigona (s.s.) costata-ereganensis — Frierson (1927)
Lasmigona (s.s.) costata pepinensis — F.C. Baker (1928)
Lasmigona (s.s.) costata nuda — F.C. Baker (1928)
Lasmigona costata — Murray & Leonard (1962), Clarke (1973), Burch (1975), Gordon et al. (1979), Mathiak (1979), ... Hnytka et al. (2022), Whelan et al. (2023), Hopper et al. (2023), Perkins et al. (2025), FMCS (2025)
“Lasmigona compressa” ** — Graf & Ó Foighil (2000), Graf & Cummings (2006), Jadhav & Jamkhedkar (2009), Hoeh et al. (2009), Whelan et al. (2011), ... Wu et al. (2023), Chen et al. (2023), Liu et al. (2023), Dai et al. (2025), Chen et al. (2025)