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The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)
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Bivalvia | ... | Unionidae | Ambleminae | Lampsilini | Cyrtonaias species Cyrtonaias explicata (Morelet, 1849): synonymy
33 specimens + 2 Genbank vouchers Unio explicatus Morelet, 1849
 Morelet, 1849. Test. Nov. 1: 28.
Type(s): LECTOTYPE BMNH_93-2-4-2027, flumen Usumasinta, ad pagum Balancan Tabascensium [Mexico].
Lampsilis (Proptera) explicatus — Simpson (1900)
Unio (Uniomerus) explicatus — Martens (1900)
Lampsilis (Proptera) explicata — Simpson (1914)
Lampsilis (Cyrtonaias) explicata — Frierson (1927), Haas (1929)
Lampsilis (sec. Mesonaias) explicatus — Thiele (1934)
Lampsilis (Mesonaias) explicata — Haas (1969), Haas (1969)
Lampsilis explicata — R.I. Johnson (1998), Contreras-Arquieta (2000)
Mesonaias explicatus — Contreras-Arquieta (2000)
Cyrtonaias explicata — Graf & Cummings (2007), Bogan (2010), Pfeiffer et al. (2019), Inoue et al. (2020), Graf & Cummings (2021), Czaja et al. (2023), Freeman et al. (2025) | |
Lampsilis (Proptera) lividus Simpson, 1900
‘Morelet’ Reeve, 1865. Conch. Icon. 16: pl. 22, sp. 101 [as ‘Unio testudineus’].
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 571.
Simpson, 1914. Descr. Cat. Naiades: 174.
Lampsilis (Proptera) lividus — Simpson (1900)
Lampsilis (Proptera) livida — Simpson (1914)
Lampsilis (Cyrtonaias) livida — Frierson (1927), Haas (1969)
Lampsilis (Cyrtonaias) microdon — Haas (1929)
Lampsilis explicata — R.I. Johnson (1998)
Cyrtonaias livida — Graf & Cummings (2007), Bogan (2010), Czaja et al. (2023)
Cyrtonaias explicata — Graf & Cummings (2021) | |
Unio testudineus Reeve, 1865
  ‘Morelet’ Reeve, 1865. Conch. Icon. 16: pl. 22, sp. 101.
(misidentified reference to Unio testudineus Morelet, 1849)
Type(s): FIGURED SPECIMEN BMNH_20190695, Rio Usumacinta, Guatemala.
Lampsilis (Proptera) lividus — Simpson (1900)
Unio (Uniomerus) explicatus — Martens (1900)
Lampsilis (Proptera) livida — Simpson (1914)
Lampsilis (Cyrtonaias) livida — Frierson (1927)
Lampsilis (Cyrtonaias) microdon — Haas (1929) | |
Margaron (Unio) semigranosus Lea, 1870
Lea, 1870. Synopsis Fam. Naiades: 34. [in part]
(misidentified reference to Unio semigranosus Philippi, 1843)
Lampsilis (Proptera) explicatus — Simpson (1900)
Lampsilis (Proptera) explicata — Simpson (1914) | |
Unio explicatus Fischer & Crosse, 1894
‘Morelet’ Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(16): 594, pl. 61, fig. 1.
(reference to Unio explicatus Morelet, 1849)
Lampsilis (Proptera) explicatus — Simpson (1900)
Unio (Uniomerus) explicatus — Martens (1900)
Lampsilis (Proptera) livida — Simpson (1914)
Lampsilis (Cyrtonaias) livida — Frierson (1927)
Lampsilis explicata — R.I. Johnson (1998) | |
Lampsilis (Proptera) explicatus Simpson, 1900
‘Morelet’ Simpson, 1900. Proc. U.S. Nat. Mus. 22: 571. [in part]
(reference to Unio explicatus Morelet, 1849)
Lampsilis (Proptera) explicata — Simpson (1914) | |
Taxonomic History (since 1900)Lampsilis (Proptera) explicatus — Simpson (1900)
Unio (Uniomerus) explicatus — Martens (1900)
Lampsilis (Proptera) lividus — Simpson (1900)
Lampsilis (Proptera) explicata — Simpson (1914)
Lampsilis (Proptera) livida — Simpson (1914)
Lampsilis (Cyrtonaias) explicata — Frierson (1927), Haas (1929)
Lampsilis (Cyrtonaias) livida — Frierson (1927), Haas (1969)
Lampsilis (Cyrtonaias) microdon — Haas (1929)
Lampsilis (sec. Mesonaias) explicatus — Thiele (1934)
Lampsilis (Mesonaias) explicata — Haas (1969), Haas (1969)
Lampsilis explicata — R.I. Johnson (1998), Contreras-Arquieta (2000)
Mesonaias explicatus — Contreras-Arquieta (2000)
Cyrtonaias explicata — Graf & Cummings (2007), Bogan (2010), Pfeiffer et al. (2019), Inoue et al. (2020), Graf & Cummings (2021), Czaja et al. (2023), Freeman et al. (2025)
Cyrtonaias livida — Graf & Cummings (2007), Bogan (2010), Czaja et al. (2023)
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