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Margaritiferidae

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Geography

Central America

Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

Bivalvia | Unionoida | Unionoidea | Unionidae | Parreysiinae | Lamellidentini

genus Lamellidens Simpson, 1900: synonymy

13 Recent freshwater species (14 total species)

Synonymy

Anadontina Schlüter, 1838

Schlüter, 1838. Kurzgef. Syst. Verz. Conch. Samml.: 32.
Type species: Anadontina turgida Schlüter, 1838 (monotypy) = Lamellidens marginalis

Anodontina Mörch, 1853

‘Schlüter’ of Authors.
Mörch, 1853. Cat. Conch. Yoldi 2: 48.
Adams & Adams, 1857. Gen. Rec. Moll. 2(31-32): 502.
Martens, 1900. Biol. Centr.-Amer., Moll.: 481.
(homonym of Macquart, 1838 [Dipt.]; new name for Anadontina Schlüter, 1838)
Type species: Anadontina turgida Schlüter, 1838 = Lamellidens marginalis

Lamellidens Simpson, 1900

Simpson, 1900. Proc. U.S. Nat. Mus. 22: 854.
Simpson, 1914. Descr. Cat. Naiades: 1165.
Type species: Unio marginalis Lamarck, 1819 (orig. desig.) = Lamellidens marginalis

Velunio Haas, 1919

Haas, 1919. Conch. Cab. 9 (pt. 2, h. 51): 276. [nomen nudum]
Haas, 1920. Conch. Cab. 9 (pt. 2, h. 52): 292.
(intro'd as sub-gen. of Physunio Simpson, 1900)
Type species: Unio velaris Sowerby, 1868 (monotypy) = Lamellidens friersoni

Lammellidens Prashad, 1922

‘Simpson’ Prashad, 1922. Rec. Ind. Mus. 24: 105.
(error for Lamellidens Simpson, 1900)
Type species: Unio marginalis Lamarck, 1819 = Lamellidens marginalis

Taxonomic History (since 1900)

The Taxonomic History lists the ways authors have classified the species currently assigned to Lamellidens, since 1900.

Lamellidens (s.s.) — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Physunio (sec. Lens) — Simpson (1900), Preston (1915)
Trapezoideus — Simpson (1900), Simpson (1914), Preston (1915), Haas (1952), Graf & Cummings (2007), Bogan (2010)
Lamellidens — Pallary (1909), Ortmann (1912), Prashad (1919), Annandale & Prashad (1921), Prashad (1922), ... Wu et al. (2023), Imsong & Murali (2023), Wu et al. (2024), Zieritz et al. (2024), Wu et al. (2024)
Parreysia (s.s.) — Preston (1912), Simpson (1914), Preston (1915)
Physunio (Lens) — Simpson (1914), Prashad (1932)
Physunio (s.s.) — Annandale (1918), Haas (1924), Haas (1969), Subba Rao (1989)
Physunio — Prashad (1919), Prashad (1922), Graf & Cummings (2007), Bogan (2010), IUCN (2010), IUCN (2012), Zieritz et al. (2018), Konopleva et al. (2019), Graf & Cummings (2021)
Physunio (sec. Velunio) — Haas (1920), Thiele (1934)
Physunio (Velunio) — Haas (1924), Haas (1969), Haas (1969), Subba Rao (1989), Ramakrishna & Dey (2007)
Parreysia — Haas (1969), Bogan (2010)
Lamellidens (corrianus-group) — Bolotov et al. (2022), Bolotov et al. (2024)
Lamellidens (marginalis-group) — Bolotov et al. (2022), Bolotov et al. (2024)

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