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Page last updated
Thu 17 July 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

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Publication Hildreth (1828): summary
     publication summary

Complete Citation

Hildreth, S.P. 1828. Observations on, and descriptions of the shells, found in the waters of the Muskingum River, Little Muskingum and Duck Creek, in the vicinity of Marietta, Ohio. American Journal of Science and Arts 14: 276-. Available electronically.

Attributed Nominal Genera

Alasmodonta Say, 1819
‘Say’ of Authors.
Say, 1819. Nich. Encyc. 4: [18].
Barnes, 1823. Amer. J. Sci. 6 (1-2): 275.
Say, 1825. Jour. Acad. Nat. Sci. 5(3-4): 131.
Férussac, 1827. Bull. Sci. Nat. et Géol. 10: 417.
Hildreth, 1828. Amer. J. Sci. 14: 289.
Lea, 1829. Trans. Amer. Phil. Soc. 3 [O. 1]: 421.
Menke, 1830. Syn. Method. Moll.: 106.
Ferussac, 1835. Mag. Zool. 5: 25.
Lea, 1836. Synopsis Fam. Naiades: 43.
Schlüter, 1838. Kurzgef. Syst. Verz. Conch. Samml.: 32.
Agassiz, 1852. Arch. Naturg. 18(1): 46.
Adams & Adams, 1857. Gen. Rec. Moll. 2(31-32): 499.
Vest, 1866. Verh. Mitth. Siebenbürg. Ver. Naturw. (17): 197.
Sowerby, 1868. Conch. Icon. 16: pl. 1.
(new name for Alasmidonta Say, 1818; renamed Anelasmodon Agassiz, 1846)

Attributed Nominal Species

Anodonta undulata Hildreth, 1828
‘Say’ of Authors.
Hildreth, 1828. Amer. J. Sci. 14: 290.
Sowerby, 1867. Conch. Icon. 17: pl. 11, sp. 30.
(reference to Anodonta undulata Say, 1817)

Unio cuneatus Hildreth, 1828
‘Barnes’ Hildreth, 1828. Amer. J. Sci. 14: 283.
(misidentified reference to Unio cuneatus Barnes, 1823)

Unio foliatus Hildreth, 1828
Hildreth, 1828. Amer. J. Sci. 14: 284, figs. 16a-b.

Unio orbiculatus Hildreth, 1828
Hildreth, 1828. Amer. J. Sci. 14: 284.

Unio phaseolus Hildreth, 1828
Hildreth, 1828. Amer. J. Sci. 14: 283.
Say, 1834. Amer. Conch. 6: pl. 22.

Unio radiatus Hildreth, 1828
Hildreth, 1828. Amer. J. Sci. 14: 286.
(misidentified reference to Unio radiatus Barnes, 1823)

Unio verrucosus albus Hildreth, 1828
Hildreth, 1828. Amer. J. Sci. 14: 281.
(intro'd as intra-sp. of Unio verrucosus Barnes, 1823)

Unio verrucosus purpureus Hildreth, 1828
Hildreth, 1828. Amer. J. Sci. 14: 281.
(homonym of Unio purpureus Say, 1817; intro'd as intra-sp. of Unio verrucosus Barnes, 1823)

Taxonomic Opinions

Alasmodonta complanata = Lasmigona complanata

Alasmodonta rugosa = Lasmigona costata

Anodonta undulata = Strophitus undulatus

Unio alatus = Potamilus alatus

Unio crassus ‘LeSueur’ Say = Ortmanniana ligamentina

Unio cuneatus = Elliptio crassidens

Unio cylindricus = Theliderma cylindrica

Unio ellipticus Barnes = Ortmanniana ligamentina

Unio foliatus = Epioblasma flexuosa

Unio gibbosus = Eurynia dilatata

Unio gracilis = Potamilus fragilis

Unio nodosus = Theliderma metanevra

Unio orbiculatus = Obovaria subrotunda

Unio ovatus = Lampsilis ovata

Unio phaseolus = Ptychobranchus fasciolaris
+ Unio cuneatus Hildreth, 1828

Unio plicatus = Amblema plicata

Unio prælongus = Ligumia recta

Unio radiatus = Atlanticoncha ochracea

Unio rugosus = Quadrula quadrula

Unio triangularis = Epioblasma triquetra

Unio tuberculatus = Quadrula verrucosa

Unio undatus = Fusconaia flava

Unio undulatus = Amblema plicata

Unio verrucosus albus = Cyprogenia stegaria

Unio verrucosus purpureus = Cyclonaias tuberculata

 
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