Limnaea fusca Poli, 1795
Poli, 1795. Testacea Utriusque Siciliae 2: 253.

Mya nodulosa Wood, 1815
Wood, 1815. Gen. Conch. 1: 106, pl. 22, figs. 3-4. [in part]
(misidentified reference to Mya nodulosa Wood, 1815)

Unio (sec. Lymnium) pictorum — Simpson (1900), Simpson (1914)

Unio angusta Lamarck, 1819
Lister, 1685. Conch.: pl. 147, fig. 3 ?. [pre-linnaean]
Lamarck, 1819. Hist. Natur. Anim. sans Vert. 6: 80, sp. 42.
Type(s): HOLOTYPE MNHN_MPL_0032, Habite..... Mus. n°.

Unio angusta — Simpson (1900), Simpson (1914)
— Haas (1969)

Mytilus dentatus Turton, 1822
Turton, 1822. Conch. Ins. Brit.: 115.

Anodonta radiata Bory de St. Vincent, 1827
Bruguière, 1797. Encycl. Méth. 2: pl. 203 [204], fig. 4a-b [as Anodontites sp.].
‘Val.’ Bory de St. Vincent, 1827. Encycl. Méth. 2: 147.
(homonym of Anodonta (Lastena) ohiensis var. radiata Rafinesque, 1820)

Anodonta radiata — Simpson (1900), Simpson (1914), Haas (1969)

Unio concentrica Bory de St. Vincent, 1827
Bruguière, 1797. Encycl. Méth. 2: pl. 249, fig. 3 [as Unio sp.].
‘Val.’ Bory de St. Vincent, 1827. Encycl. Méth. 2: 151.

Diplasma marginata Rafinesque, 1831
Rafinesque, 1831. Continuation: 6.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 83.

Diplasma marginata — Frierson (1914)
— Bolotov et al. (2022)

Diplasma similis Rafinesque, 1831
Rafinesque, 1831. Continuation: 6.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 83.

— Bolotov et al. (2022)

Diplasma (Hemisolasma?) vitrea Rafinesque, 1831
Rafinesque, 1831. Continuation: 6.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 83.

Diplasma vitrea — Frierson (1927), Modell (1942)
Parreysia olivarius — Graf & Cummings (2006)
— Bolotov et al. (2022)

Unio purpuriatus Say, 1831
Say, 1831. New Harm. Dissem. 1(29): [no pagination].
Say, 1858. [in] Binney, Compl. Writings T. Say: 133.
Type(s): TYPE LOST XXX_UNKNOWN, México....in a stream a few leagues from Vera‑Cruz.

Nephronaias medellinus — Simpson (1900)
Unio (Elliptio) medellinus — Martens (1900)
Nephronaias medellina — Simpson (1914)
Unio purpuriatus — Simpson (1914)
Lampsilis (Disconaias) purpuriata — Frierson (1927), Haas (1929), Haas (1969)
Disconaias purpuriata — Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023)
— Cummings et al. (2025)

Anodonta aperta Rafinesque, 1832
Rafinesque, 1832. Atl. Jour. 1(4): 154.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 92.

Glabaris aperta — Simpson (1900)
Anodontites aperta — Simpson (1914), Simone (2006)

Unio paphos Rafinesque, 1832
Rafinesque, 1832. Atl. Jour. 1(4): 154.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 92.

Glabaris paphos — Simpson (1900)
Anodontites paphos — Simpson (1914), Simone (2006)
Diplodon paphos — Simone (2006)

Anodonta fragilis Fitzinger, 1833
Fitzinger, 1833. Syst, Verz. Österr. Weichth.: 120.

Anodonta fragilis — Simpson (1900), Simpson (1914), Haas (1969)

Anodonta trigona Held, 1836
Held, 1836. Isis (Oken) 1836: 280.
(homonym of Anodon trigonus Wagner, 1827)

Anodonta trigona — Simpson (1900), Simpson (1914), Haas (1969)

Unio antiquatus Anton, 1839
Anton, 1839. Verz. Conchylien: 14, sp. 545.

Unio rugosus Anton, 1839
Anton, 1839. Verz. Conchylien: 14, sp. 546.
(homonym of Unio rugosa Poiret, 1801)

Unio (s.s.) longedentatus Anton, 1839
Anton, 1839. Verz. Conchylien: 14, no. 543.

— Simpson (1900), Simpson (1914), Haas (1969)

Anodon pictus Swainson, 1841
Swainson, 1841. Ex. Conch.: 39.

Glabaris pictus — Simpson (1900)
Anodonta pictus — Simpson (1900), Simpson (1914), Haas (1969)
Anodontites pictus — Simpson (1914)

Unio madagascariensis Sganzin, 1841
Sganzin, 1841. Mém. Soc. Hist. Nat. Strasbourg 3: 8.

— Simpson (1900), Germain (1907), Simpson (1914), Germain (1918), Haas (1936), Graf & Cummings (2009), Graf & Cummings (2021)
Unio madagascariensis — Kobelt (1910), Fischer-Piette & Vukadinovic (1973), IUCN (2016)
Caelatura [sic] (s.s.) madagascariensis — Haas (1969)
Coelatura madagascariensis — Daget (1998), Graf & Cummings (2007), Bogan (2010)

Anodonta dalei Lesson, 1844
Lesson, 1844. Complé. de Buffon 1: 155, pl. 3, fig. 1.

Anodonta dalei — Simpson (1900), Simpson (1914), Haas (1969)

Unio wolwichii Morelet, 1845
Morelet, 1845. Moll. Terr. Fluv. Portugal: 105, pl. 13, fig. 1.
Type(s): HOLOTYPE BMNH_93-2-4-1964, les eaux de la Vallèe du Tage, entre Villa-Nova et Azumbuja [Portugal].

Unio (sec. Lymnium) batavus — Simpson (1900), Simpson (1914)
Diplodon parallelipipedon [sic] — Haas (1940)
— Haas (1969)

Unio mexicanus Philippi, 1847
Philippi, 1847. Zeitschr. f. Malakozool. 4(6): 95.
Philippi, 1849. Abbild. Beschr. Conch. 4: 28, pl. 6, fig. 3.
Type(s): TYPE LOST XXX_UNKNOWN, México.

Unio (sec. Elliptio) mexicanus — Simpson (1900), Simpson (1914)
Unio (Elliptio) mexicanus — Martens (1900)
Elliptio (Sphenonaias) mexicanus — Frierson (1927)
Elliptio (Nephronaias) mexicanus — Haas (1929)
Nephronaias (Sphenonaias) mexicana — Haas (1969)
Sphenonaias mexicana — Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023)
— Cummings et al. (2025)

Unio oregonensis Lea, 1852
Lea, 1852. Proc. Amer. Phil. Soc. 5: 252. [nomen nudum]
Lea, 1852. Trans. Amer. Phil. Soc. 10 [O. 5]: 275 [31], pl. 22, fig. 33.
Type(s): HOLOTYPE USNM_85073, Columbia R., Oregon.

Nephronaias oregonensis — Simpson (1900), Simpson (1914), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021)
Elliptio (Nephronaias) oregonensis — Frierson (1927)
Nephronaias (s.s.) oregonensis — Haas (1969)
— Cummings et al. (2025)

Unio coloratus Küster, 1856
‘Charpentier mss.’ Küster, 1856. Conchyl. Cab. 9(2): 155, pl. 44, fig. 6.
Type(s): TYPE LOST XXX_UNKNOWN, Mexiko.

Unio (sec. Elliptio) coloratus — Simpson (1900), Simpson (1914)
Unio (Simonaias) cuprinus var. coloratus — Martens (1900)
Elliptio (Sphenonaias) coloratus — Frierson (1927)
Nephronaias (Sphenonaias) colorata — Haas (1969)
Sphenonaias colorata — Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023)
— Cummings et al. (2025)

Unio rugulosus Küster, 1856
‘Charpentier mss.’ Küster, 1856. Conchyl. Cab. 9(2): 154, pl. 44, fig. 5.
(homonym of Unio rugulosus Wood, 1828)
Type(s): TYPE LOST XXX_UNKNOWN, Neuholland.

Nephronaias rugulosus — Simpson (1900)
Unio (Simonaias) dysoni — Martens (1900)
Nephronaias tabascoensis — Ihering (1901)
Nephronaias rugulosa — Simpson (1914), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021)
Elliptio (Nephronaias) rugolosus [sic] — Frierson (1927)
Elliptio (Nephronaias) rugulosa — Haas (1929)
— Iredale (1934), Cummings et al. (2025)
Nephronaias (s.s.) rugulosa — Haas (1969)

Unio shuttleworthi Küster, 1856
‘Charpentier mss.’ Küster, 1856. Conchyl. Cab. 9(2): 152, pl. 44, fig. 2.

Diplodon (Hyridella s.s.) australis — Simpson (1900), Simpson (1914)
Velesunio shuttleworthi — Iredale (1934), Iredale (1943), McMichael & Hiscock (1958), Haas (1969)
— B.J. Smith (1992)

Unio tabascoensis Küster, 1856
‘Charpentier mss.’ Küster, 1856. Conchyl. Cab. 9(2): 153, pl. 44, fig. 3.
Type(s): TYPE LOST XXX_UNKNOWN, Tabasco in Mexiko.

Nephronaias tabascoensis — Simpson (1900), Ihering (1901), Simpson (1914), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023)
Unio (Simonaias) cuprinus var. tabascoensis — Martens (1900)
Elliptio (Nephronaias) tabascoensis — Frierson (1927), Haas (1929)
Nephronaias (s.s.) tabascoensis — Haas (1969)
— Cummings et al. (2025)

Anodonta sulcosa Adams & Adams, 1857
‘Conr.’ Adams & Adams, 1857. Gen. Rec. Moll. 2(31-32): 503. [nomen nudum]

Anodonta sulcosa — Simpson (1900), Simpson (1914), Haas (1969)

Anodonta viridis Adams & Adams, 1857
‘Lea’ Adams & Adams, 1857. Gen. Rec. Moll. 2(31-32): 503. [nomen nudum]
(homonym of Anodonta (Lastena) ohiensis var. viridis Rafinesque, 1820)

Anodonta viridis — Simpson (1900), Simpson (1914), Haas (1969)

Unio fluctiger Lea, 1859
Lea, 1859. Proc. Acad. Nat. Sci. 11: 152.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 250 [68], pl. 39, fig. 130.
Type(s): HOLOTYPE (MONOTYPY) BMNH_1965169, Hab._? [Asia ?].

Nodularia (s.s.) fluctiger — Simpson (1900)
Nodularia (sec. Scabies) fluctigera — Haas (1911)
Nodularia (s.s.) fluctigera — Simpson (1914)
Diplodon fluctiger — Haas (1919), Simone (2006), Graf & Cummings (2007), Graf & Cummings (2009), Bogan (2010)
Nodularia (Scabies) fluctigera — Haas (1924)
Diplodon guaranianus fluctiger — Haas (1930)
Ecuadorea fluctiger — Modell (1950)
— Parodiz (1968), Graf & Cummings (2021)
Diplodon (s.s.) guaranianus fluctiger — Haas (1969)

Unio melleus Lea, 1859
Lea, 1859. Proc. Acad. Nat. Sci. 11: 152.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 250 [68], pl. 38, fig. 129.
Type(s): HOLOTYPE (MONOTYPY) BMNH_1965175, Hab._?

Nephronaias melleus — Simpson (1900), Frierson (1917)
Nephronaias mellea — Simpson (1914), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023)
Elliptio (Nephronaias) melleus — Frierson (1927)
Nephronaias (s.s.) mellea — Haas (1969)
— Cummings et al. (2025)

Anodon triangularis Sowerby, 1867
‘Lanza?’ Sowerby, 1867. Conch. Icon. 17: pl. 15, sp. 56.
‘Lea’ Sowerby, 1870. Conch. Icon. 17: pl. 29, fig. 56b.
Type(s): LECTOTYPE BMNH_1965211, Hab._?

Anodonta triangularis — Simpson (1900), Simpson (1914), Haas (1969)

Unio rusticus Sowerby, 1868
‘Lea’ Sowerby, 1868. Conch. Icon. 16: pl. 64, sp. 324; errata.
(homonym of Unio rusticus Lea, 1856; renamed Psoronaias plexoideus Frierson, 1927)
Type(s): TYPE LOST BMNH_XXX, Siam.

Unio (sec. Elliptio) crocodilarum [sic] — Simpson (1900), Simpson (1914)
Psoronaias plexoideus — Frierson (1927)
Barynaias plexus — Haas (1969)
— Cummings et al. (2025)

Anodon brevis Sowerby, 1870
Sowerby, 1870. Conch. Icon. 17: pl. 31, sp. 124.

Glabaris brevis — Simpson (1900)
Anodontites (s.s.) brevis — Simpson (1914), Haas (1969)

Anodonta martensii Clessin, 1876
Clessin, 1876. Conchyl. Cab.: 181, pl. 63, fig. 2.

Anodonta martensii — Simpson (1900), Simpson (1914), Haas (1969)

Unio pancici Drouët, 1882
Drouët, 1882. Unionidae de Serbie: 17.

Unio eumacrus Bourguignat, 1883
Letourneux in Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 30.

Unio vittorioi Bourguignat, 1883
Bourguignat, 1883. Aperçu Unionid. Pénins. Ital.: 28.

Unio peracutus Servain, 1888
Servain, 1888. Bull. Soc. Malac. France 5: 318.

Anodonta chinensis Paetel, 1890
Paetel, 1890. Cat. Conch.-Samml. 3: 177.
(misidentified reference to Dianisotis chinensis Rafinesque, 1831)

Anodonta chinensis — Simpson (1900), Simpson (1914), Haas (1969)

Unio depressus var. mutabilis Hedley & Musson, 1891
‘Lea’ Hedley & Musson, 1891. unknown publication: 564.
(misidentified reference to Unio mutabilis Lea, 1859)

Hyridella interserta — McMichael & Hiscock (1958)

Unio clessini Drouët, 1892
Drouët, 1892. J. de Conch. 40: 89.

Unio mansellianus Drouët, 1893
Drouët, 1893. J. de Conch. 41: 40.

— Bank (2006)

Unio sphenorhynchus Crosse & Fischer, 1894
Crosse & Fischer, 1894. J. de Conch. 41: 296.
Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(16): 617, pl. 66, fig. 2-2a.
Type(s): HOLOTYPE (MONOTYPY) MNHN_IM-2000-1792, Mexique.

Unio (sec. Elliptio) sphenorhynchus — Simpson (1900), Simpson (1914)
Unio (Sphenonaias) acutirostris — Martens (1900)
Elliptio (Nephronaias) sphenorhynchus — Frierson (1927), Haas (1929)
Nephronaias (s.s.) sphenorhynchus — Haas (1969)
Nephronaias sphenorhyncha — Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023)
— Cummings et al. (2025)

Unio (Simonaias) cuprinus subventralis Martens, 1900
Martens, 1900. Biol. Centr.-Amer., Moll.: 506, pl. 36, figs. 1-1b.
(intro'd as intra-sp. of Unio cuprinus Lea, 1831)
Type(s): HOLOTYPE (MONOTYPY) ZMB_108852, Tabasco, Mexico.

Unio (Simonaias) cuprinus subventralis — Martens (1900)
Nephronaias calamitarum var. subventralis — Simpson (1914)
Elliptio (Nephronaias) subventralis — Frierson (1927)
Nephronaias (Popenaias) metallica — Haas (1969)
— Cummings et al. (2025)

Unio yliscerus Rochebrune, 1903
‘Locard’ Rochebrune, 1903. Bull. Mus. Nation. Hist. Natur. 9: 390.

Unio yliscerus — Rochebrune (1903)

Microdontia ovata Haas, 1910
Haas, 1910. Nachr. Bl. Dtsch. Malak. Ges. 42: 100.
Haas, 1911. Conch. Cab. 9 (pt. 2, h. 43): pl. 16, fig. 5.
Haas, 1913. Conch. Cab. 9 (pt. 2, h. 48): 161.
Type(s): HOLOTYPE SMF_3531, N. Guinea; Umg. v. Konstantinhafen ?

Microdontia ovata — Haas (1910), Haas (1913), Modell (1964)
Nodularia (s.s.) ovata — Simpson (1914)
Velesunio ovata — McMichael (1956), Bogan (2010)
Velesunio ovatus — McMichael & Hiscock (1958), Haas (1969)
— B.J. Smith (1992), Walker et al. (2014), Graf & Cummings (2021)
Velesunio ovata [sic] — Graf & Cummings (2007)

Unio (—?) malgachensis Germain, 1911
Germain, 1911. Bull. Mus. Nation. Hist. Natur. 17: 139, pl. 1, figs. 3-5.
Germain, 1918. Bull. Mus. Nation. Hist. Natur. 24: 36.
Type(s): HOLOTYPE MNHN_20832, Madagascar.

Unio malgachensis — Germain (1911), Simpson (1914), IUCN (2016)
— Germain (1918), Haas (1936), Graf & Cummings (2009), Graf & Cummings (2021)
Caelatura [sic] (s.s.) geayi — Haas (1969)
Caelatura [sic] malgachensis — Fischer-Piette & Vukadinovic (1973)
Coelatura malgachensis — Daget (1998), Graf & Cummings (2007)

Psoronaias plexoideus Frierson, 1927
‘Lea’ Sowerby, 1868. Conch. Icon. 16: pl. 64, sp. 324; errata [as ‘Unio rusticus’].
Frierson, 1927. Check List N. Amer. Naiades: 63, sp. 273.
(new name for Unio rusticus Sowerby, 1868)
Type(s): TYPE LOST BMNH_XXX, Siam.

Psoronaias plexoideus — Frierson (1927)
Elliptio (Barynaias) plexoideus — Haas (1930)
Barynaias plexus — Haas (1969)
— Cummings et al. (2025)

Unio cathaicus Haas, 1930
Haas, 1930. Senckenbergiana 12(1): 7, figs. 6-7.
Type(s): TYPE SMF_3657, Hunan, M. China.

Rugoshyria aquilonalis Iredale, 1934
Iredale, 1934. Austral. Zool. 8: 72, pl. 5, fig. 9; pl. 6, fig. 8.
Iredale, 1943. Austral. Zool. 10: 190.
Type(s): HOLOTYPE AMS_484, Bloomfield River, Queensland, Australia [-15.95, 145.333 ± 10 km].

Rugoshyria aquilonalis — Iredale (1934), Iredale (1943)
Hyridella aquilonalis — McMichael & Hiscock (1958)
— Haas (1969), B.J. Smith (1992)

Rugoshyria interserta Iredale, 1934
Iredale, 1934. Austral. Zool. 8: 72, pl. 5, fig. 8; pl. 6, fig. 9.
Iredale, 1943. Austral. Zool. 10: 190.
Type(s): HOLOTYPE (ORIG. DESIG.) AMS_61949, Mary River at Kenilworth, N of Brisbane, Queensland, Australia [-26.6, 152.733 ± 10 km].

Rugoshyria interserta — Iredale (1934), Iredale (1943)
Hyridella interserta — McMichael & Hiscock (1958)
— Haas (1969), B.J. Smith (1992)

Trapezoideus exolescens Pfeiffer & Graf, 2013
‘Gould’ of Authors.
Brandt, 1974. Arch. Moll. 105: 299.
Pfeiffer & Graf, 2013. J. Moll. Studies 79: 251.
Pfeiffer & Graf, 2015. Zool. J. Linn. Soc. 175(2): [4].
Lopes-Lima et al., 2017. MPE 106: 177.
(misidentified reference to Unio exolescens Gould, 1843)

Trapezoideus exolescens — Konopleva et al. (2017)
Trapezoideus foliaceus — Bolotov et al. (2017)
Trapezoideus sp. 1 — Bolotov et al. (2017)
Physunio sp. ‘Trapezoideus’ — Bolotov et al. (2017), Bolotov et al. (2018), Huang et al. (2019), Konopleva et al. (2019), Konopleva et al. (2019), Bolotov et al. (2020)
undescribed Contradentini sp. — Pfeiffer et al. (2021)
— Campbell & Lydeard (2026)

Unio perissus of Authors, unknown year
of Authors.

— Haas (1929)

Anodonta curvata Lea, 1836
‘Ferussac’ of Authors.
Lea, 1836. Synopsis Fam. Naiades: 54. [nomen nudum]
Lea, 1838. Synopsis Fam. Naiades: 32. [nomen nudum]
Jay, 1839. Cat. Rec. Shells: 27. [nomen nudum]
Lea, 1852. Synopsis Fam. Naiades: 53. [nomen nudum]

Anodonta curvata — Simpson (1900), Simpson (1914), Haas (1969)

Anodon lepidus of Authors, unknown year
‘Lea’ of Authors.

Anodon pealiana of Authors, unknown year
‘Lea’ of Authors.

Anodonta aloisi of Authors, unknown year
Bourguignat, 1885 of Authors.

Anodonta anatinoides of Authors, unknown year
‘Klein. Brown’ of Authors.

Anodonta cimbila of Authors, unknown year
Villa of Authors.

Anodonta cuneata of Authors, unknown year
‘Küst.’ of Authors.

Anodonta deila of Authors, unknown year
Servain, 1885 of Authors.

Anodonta dumbensis of Authors, unknown year
Locard, in MNHN coll. of Authors.

Anodonta fragilis of Authors, unknown year
Menke of Authors.

Anodonta pathyscica of Authors, unknown year
Bourguignat, 1886 of Authors.

Anodonta polyrhynchus of Authors, unknown year
Kokeil, Kreglinger, Binn. Moll., p. 333, 1870 of Authors.

Anodonta tibiscana of Authors, unknown year
Bourguignat, 1886 of Authors.

Anodonta triangularis of Authors, unknown year
Villa of Authors.

Diplodon coloniensis of Authors, unknown year
Marshall, in CM & USNM colls. of Authors.
Type(s): MANUSCRIPT NAME USNM_369000, Uruguay River, Nueva Palmira, Uruguay (Colonia).

Dipsas choloensis of Authors, unknown year
Mabille, in MNHN coll. of Authors.
Type(s): MANUSCRIPT NAME MNHN_MP_0044, Tonkin.

Mytilus grisea of Authors, unknown year
Schrött. of Authors.

Unio acramblyus of Authors, unknown year
Bourguignat of Authors.

Unio ambrosianus of Authors, unknown year
Adami of Authors.

Unio angulosus of Authors, unknown year
of Authors.

Unio antiguus of Authors, unknown year
‘Phl.’ of Authors.

Unio aporus of Authors, unknown year
Servain of Authors.

Unio asiaticus of Authors, unknown year
Parr. of Authors.

Unio bartani of Authors, unknown year
Bourguignat of Authors.

Unio blauverensis of Authors, unknown year
‘Lea’ of Authors.

Unio calliodon of Authors, unknown year
Galland of Authors.

Unio cariopsis of Authors, unknown year
Bourguignat of Authors.

Unio coniformis of Authors, unknown year
Locard of Authors.

Unio cyrniacus of Authors, unknown year
Mabille of Authors.

Unio destructus of Authors, unknown year
Parreys of Authors.

Unio ebikonicus of Authors, unknown year
Bourguignat of Authors.

Unio eumanus of Authors, unknown year
Kobelt of Authors.

Unio flavicans of Authors, unknown year
Vid. of Authors.

Unio hagenmulleri of Authors, unknown year
Bourguignat of Authors.

Unio joubini of Authors, unknown year
Locard, in coll. MNHN of Authors.

Unio lamobrachys of Authors, unknown year
Rafinesque of Authors.

Unio maritzianus of Authors, unknown year
‘Bourguignat’ of Authors.

Unio meduacensis of Authors, unknown year
Adami of Authors.

Unio microdon of Authors, unknown year
Bourguignat of Authors.

Unio oethryus of Authors, unknown year
Bourguignat of Authors.

Unio ovata of Authors, unknown year
Rafinesque of Authors.

Unio pilarianus of Authors, unknown year
Bourguignat of Authors.

Unio sautaremicus of Authors, unknown year
Castro of Authors.

Unio scutaricus of Authors, unknown year
Bourguignat of Authors.

Unio subpalleus of Authors, unknown year
Thiesse of Authors.

Unio taphricola of Authors, unknown year
Servain of Authors.

Unio groenlandicus Schröter, 1779
Schröter, 1779. Gesch. Flußconch.: 181, pl. 9, fig. 1. [non-binomial]
Mørch, 1868. Amer. J. Conch. 4: 38.

Lamellidens (s.s.) marginalis — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
— Bolotov et al. (2022)

Mya rosstrata Lightfoot, 1786
‘S.’ Lightfoot, 1786. Catalogue of the Portland Museum: 134, no. 2983. [nomen nudum]

Paxyodon leve Schumacher, 1815
Schumacher, 1815. Overs. Dansk. Vid. Selsk. Forhandl. Kjobehhaven 1813-1815: 7. [nomen nudum]

Anodonta arcuata Férussac, 1822
Férussac, 1822. Art. Anod., in Dict. class. d’hist. nat. 1: 397. [nomen nudum]

Unio ovata Stark, 1828
‘Lam.’ Stark, 1828. Elements Nat. Hist. 2: 90.
(misidentified reference to Unio ovata Lamarck, 1819)

Anodonta ovata — Simpson (1900), Simpson (1914), Haas (1969)

Anodonta tumida Fitzinger, 1833
Fitzinger, 1833. Syst, Verz. Österr. Weichth.: 299. [nomen nudum]

Alasmodonta incurva Lea, 1836
‘Fer.’ Lea, 1836. Synopsis Fam. Naiades: 46. [nomen nudum]
‘Fer.’ Lea, 1838. Synopsis Fam. Naiades: 28. [nomen nudum]
‘Fer.’ Lea, 1852. Synopsis Fam. Naiades: 44. [nomen nudum]
‘Fer.’ Lea, 1870. Synopsis Fam. Naiades: 70. [nomen nudum]

Anodonta chinensis Lea, 1836
‘Fer.’ Lea, 1836. Synopsis Fam. Naiades: 54. [nomen nudum]
Lea, 1838. Synopsis Fam. Naiades: 32. [nomen nudum]
‘Fer.’ Lea, 1852. Synopsis Fam. Naiades: 53. [nomen nudum]

Anodonta folium Lea, 1836
‘Fer.’ Lea, 1836. Synopsis Fam. Naiades: 54. [nomen nudum]
‘Fer.’ Lea, 1838. Synopsis Fam. Naiades: 32. [nomen nudum]
‘Fer.’ Lea, 1852. Synopsis Fam. Naiades: 53. [nomen nudum]

Unio nitidens Lea, 1836
‘Fer.’ Lea, 1836. Synopsis Fam. Naiades: 41. [nomen nudum]
‘Fer.’ Lea, 1838. Synopsis Fam. Naiades: 26. [nomen nudum]
‘Fer.’ Lea, 1852. Synopsis Fam. Naiades: 40. [nomen nudum]
‘Fer.’ Lea, 1870. Synopsis Fam. Naiades: 63. [nomen nudum]

Unio orientalis Lea, 1836
‘Fer.’ Lea, 1836. Synopsis Fam. Naiades: 41. [nomen nudum]
‘Fer.’ Lea, 1838. Synopsis Fam. Naiades: 26. [nomen nudum]
‘Fer,’ Lea, 1852. Synopsis Fam. Naiades: 40. [nomen nudum]
‘Fer,’ Lea, 1870. Synopsis Fam. Naiades: 63. [nomen nudum]

Unio preciosus Lea, 1836
‘Fer.’ Lea, 1836. Synopsis Fam. Naiades: 41. [nomen nudum]
‘Fer.’ Lea, 1838. Synopsis Fam. Naiades: 26. [nomen nudum]
‘Fer.’ Lea, 1852. Synopsis Fam. Naiades: 40. [nomen nudum]
‘Fer.’ Lea, 1870. Synopsis Fam. Naiades: 64. [nomen nudum]

Unio pulchellus Lea, 1836
‘Fer.’ Lea, 1836. Synopsis Fam. Naiades: 41. [nomen nudum]
‘Fer.’ Lea, 1838. Synopsis Fam. Naiades: 26.
‘Fer.’ Lea, 1852. Synopsis Fam. Naiades: 40. [nomen nudum]
‘Fer.’ Lea, 1870. Synopsis Fam. Naiades: 64. [nomen nudum]

Anodonta borysthenica Krynicki, 1837
Krynicki, 1837. Bull. Soc. imp. Nat. Moscou 10(2): 58. [nomen nudum]

Anodonta riparium Eichwald, 1838
‘Pfeiff.’ Eichwald, 1838. Bull. Soc. imp. Nat. Moscou 11: 163. [nomen nudum]

Mysca brugieri Schlüter, 1838
‘Mich.’ Schlüter, 1838. Kurzgef. Syst. Verz. Conch. Samml.: 33. [nomen nudum]

Anodonta gibba Anton, 1839
‘Z.’ Anton, 1839. Verz. Conchylien: 16. [nomen nudum]

Anodonta canescens Villa, 1841
‘Stentz’ Villa, 1841. Dispos. Syst. Conchyl.: 40. [nomen nudum]

Anodonta virens Villa, 1841
‘Stentz’ Villa, 1841. Dispos. Syst. Conchyl.: 40. [nomen nudum]
(homonym of Anodonta virens Lea, 1852)

Anodonta decapitata C.B. Adams, 1847
‘Küst.’ C.B. Adams, 1847. Cat. Gen. Sp. Adams: 14. [nomen nudum]

Anodonta rossmässleri Drouët, 1852
‘Kinberg’ Drouët, 1852. Etudes Nayades de la France: 17. [nomen nudum]
(homonym of Anodonta cygnea var. rossmasleri Malzine, 1867)

Unio carniolicus Lea, 1852
‘Ziegler. Potier’ Lea, 1852. Synopsis Fam. Naiades: 39. [nomen nudum]
‘Ziegler. Potier’ Lea, 1870. Synopsis Fam. Naiades: 63. [nomen nudum]

Unio errosus Lea, 1852
‘Jays’s Cat.’ Lea, 1852. Synopsis Fam. Naiades: 39. [nomen nudum]
‘Jays’s Cat.’ Lea, 1870. Synopsis Fam. Naiades: 63.

Unio moravicus Lea, 1852
‘Jays’s Cat.’ Lea, 1852. Synopsis Fam. Naiades: 40. [nomen nudum]
‘Jays’s Cat.’ Lea, 1870. Synopsis Fam. Naiades: 63. [nomen nudum]

Unio obtusa Lea, 1852
‘Potier and Michaud’ Lea, 1852. Synopsis Fam. Naiades: 40. [nomen nudum]
‘Potier and Michaud’ Lea, 1870. Synopsis Fam. Naiades: 63. [nomen nudum]

Unio pruneosus Lea, 1852
‘Zeig.’ Lea, 1852. Synopsis Fam. Naiades: 40. [nomen nudum]
‘Zeig.’ Lea, 1870. Synopsis Fam. Naiades: 64. [nomen nudum]

Unio truncatosus Lea, 1852
‘Potier’ Lea, 1852. Synopsis Fam. Naiades: 40. [nomen nudum]
‘Potier’ Lea, 1870. Synopsis Fam. Naiades: 64. [nomen nudum]

Unio zimermani Lea, 1852
‘Stenz. Potier’ Lea, 1852. Synopsis Fam. Naiades: 40. [nomen nudum]
‘Stenz. Potier’ Lea, 1870. Synopsis Fam. Naiades: 64. [nomen nudum]

Anodonta triangularis Frauenfeld, 1856
‘Vidovic’ Frauenfeld, 1856. Fauna Dalm.: 76. [nomen nudum]

Unio purpuratus Küster, 1861
‘Say’ Küster, 1861. Conchyl. Cab. 9(2): 162.
(error for Unio purpuriatus Say, 1831)

Unio tabascoensii Küster, 1862
‘Charp.’ Küster, 1862. Conchyl. Cab. 9(2): 309.
(error for Unio tabascoensis Küster, 1856)

Anodonta triangulata Brusina, 1866
Kutschig in Brusina, 1866. Moll. Dalm.: 131. [nomen nudum]

Anodonta compressa Brusina, 1870
Brusina, 1870. Contrib. Malac. Croat.: 32. [nomen nudum]
(homonym of Anodonta compressa Menke, 1830)

Anodonta croatica Brusina, 1870
Brusina, 1870. Contrib. Malac. Croat.: ??. [nomen nudum]

Anodonta polymorpha Lea, 1870
‘Küster’ Lea, 1870. Synopsis Fam. Naiades: 84. [nomen nudum]
‘Kutsch.’ Brusina, 1870. Contrib. Malac. Croat.: 32. [nomen nudum]

Anodonta polymorpha — Simpson (1900), Simpson (1914), Haas (1969)

Anodonta recurvirostra Lea, 1870
‘Küster’ Lea, 1870. Synopsis Fam. Naiades: 84. [nomen nudum]

Anodonta recurvirostra — Simpson (1900), Simpson (1914), Haas (1969)

Anodonta sabljarii Brusina, 1870
‘Kutsch.’ Brusina, 1870. Contrib. Malac. Croat.: 32. [nomen nudum]

Margaron (Unio) aveia Lea, 1870
‘Ben.’ Lea, 1870. Synopsis Fam. Naiades: 35. [nomen nudum]

Unio longidentatus Lea, 1870
‘Anton’ Lea, 1870. Synopsis Fam. Naiades: 63.
(error for Unio (s.s.) longedentatus Anton, 1839)

Unio seneltensis Lea, 1870
‘Gass.’ Lea, 1870. Synopsis Fam. Naiades: 64. [nomen nudum]

Unio baudoni Kobelt, 1879
‘Drouet’ Kobelt, 1879. Icon. Land- und Süssw.-Moll. 6: 43, pl. 163, fig. 1646.
(misidentified reference to Unio baudoni Folin & Bérillon, 1874)

Unio kulpanus Servain, 1888
Servain, 1888. Bull. Soc. Malac. France 5: 317. [nomen nudum]

Unio mahometanus Servain, 1888
Bourguignat in Servain, 1888. Bull. Soc. Malac. France 5: 317. [nomen nudum]

Unio varasdinus Servain, 1888
Servain, 1888. Bull. Soc. Malac. France 5: 317. [nomen nudum]

Anodonta proboscidaea Westerlund, 1890
‘Z.’ Westerlund, 1890. Fauna Paläarct. Binnenconch. 2(7): 297 [as ‘proboscidæa’]. [nomen nudum]

Anodonta stenorhyncha Westerlund, 1890
‘Kstr.’ Westerlund, 1890. Fauna Paläarct. Binnenconch. 2(7): 299. [nomen nudum]

Unio zealandicus Paetel, 1890
‘Gray’ Paetel, 1890. Cat. Conch.-Samml. 3: 172. [nomen nudum]

Diplodon zealandicus — Simpson (1900), Simpson (1914)

Unio longitudinatus Simpson, 1900
‘Anton’ Simpson, 1900. Proc. U.S. Nat. Mus. 22: 862.
‘Anton’ Simpson, 1914. Descr. Cat. Naiades: 1193.
(error for Unio (s.s.) longedentatus Anton, 1839)

Nodularia (Coelatura) radiata Kobelt, 1910
‘Charmes’ Kobelt, 1910. Abh. Senckenb. Naturf. Ges. 32: 85. [nomen nudum]

Nodularia (Coelatura) radiata — Kobelt (1910)

Elliptio rugolosus Frierson, 1927
‘Küster’ Frierson, 1927. Check List N. Amer. Naiades: 35.
(error for Unio rugulosus Küster, 1856)

Anodonta (Sinanodonta) woodiana Bautista, 1991
‘Lea’ Bautista, 1991. Indo-Pacific Prehist. Assoc. Bull. 10: 164, Table 1.
(misidentified reference to Symphynota woodiana Lea, 1834)

Simpsonella sp. — Bolotov et al. (2024)

Anodontites weirauchi Ramírez et al., 2003
‘Haas, 1930’ Ramírez et al., 2003. Rev. Biol. Trop. 51: 273. [nomen nudum]

Anodontites weirauchi — Ramírez et al. (2003)

Mutela lwili Graf & Cummings, 2012
Graf & Cummings, 2012. Mussel Proj.: ??. [nomen nudum]

Margaritifera auricularia Victoria et al., 2022
Victoria et al., 2022. MOJ Public Health: 138.
(misidentified reference to Unio auricularius Spengler, 1793)

— Bolotov et al. (2024)