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Thu 17 July 2025

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

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Publication Modell (1950): summary
     publication summary

Complete Citation

Modell, H. 1950. Südamerikanische Najaden der Gattungen Castalia, Schleschiella und Ecuadorea. Archiv für Molluskenkunde 79(4/6): 135-146. Available electronically.

Attributed Nominal Genera

Palindonaia Modell, 1950
Modell, 1950. Arch. Moll. 79(4/6): 34, 35.
Modell, 1964. Arch. Moll. 93: 117.
Type species: Unio solandri J. de C. Sowerby, 1826 = Palindonaia solandri

Schleschiella Modell, 1950
Modell, 1950. Arch. Moll. 79(4/6): 140.
Type species: Unio burroughianus Lea, 1834 (orig. desig.) = Diplodon burroughianus

Attributed Nominal Species

Schleschiella iheringi schadei Modell, 1950
Modell, 1950. Arch. Moll. 79(4/6): 141, pl. 11, fig. 9.
(intro'd as intra-sp. of Diplodon (s.s.) iheringi Simpson, 1914)

Unio parallelepipedon Küster, 1861
‘Lea’ of Authors.
Küster, 1861. Conchyl. Cab. 9(2): 220.
Modell, 1950. Arch. Moll. 79(4/6): 141.
(error for Unio parallelopipedon Lea, 1834)

Unio rhuacoicus Modell, 1950
‘Küster’ Modell, 1950. Arch. Moll. 79(4/6): 141.
(error for Unio rhuaconicus Küster, 1856)

Taxonomic Opinions

Castalia (Callonaia) duprei Récluz, 1843 = Callonaia duprei
+ Castalia dolabella Sowerby, 1869

Castalia (Callonaia) subtrigonalis (Whitfield, 1907)

Castalia (Castaliella) sulcata (Krauss, 1849) = Castaliella sulcata
+ Unio kraussii Lea, 1853

Castalia (s.s.) ambigua ambigua Lamarck, 1819 = Castalia ambigua
+ Prisodon truncatus Schumacher, 1817

Castalia (s.s.) ambigua crosseana Hidalgo, 1865 = Castalia ambigua
+ Tetraplodon juruanus Ihering, 1910

Castalia (s.s.) ambigua crosseana Hidalgo, 1865 = Castalia crosseana

Castalia (s.s.) ambigua multisulcata Hupé, 1857 = Castalia multisulcata
+ Castalia multicostata Sowerby, 1869
+ Castalia ecarinata Mousson, 1869
+ Tetraplodon linki Marshall, 1926
+ Tetraplodon stevensi H.B. Baker, 1930

Castalia (s.s.) ambigua multisulcata Hupé, 1857 = Castalia ecarinata

Castalia (s.s.) ambigua multisulcata Hupé, 1857 = Castalia stevensi

Castalia (s.s.) ambigua pectinata (Spix, 1827) = Castalia ambigua

Castalia (s.s.) quadrilatera inflata Orbigny, 1835 = Castalia psammoica
+ Unio psammoica d’Orbigny, 1835
+ Unio damnoica Lea, 1852

Castalia (s.s.) quadrilatera inflata Orbigny, 1835 = Castalia inflata

Castalia (s.s.) quadrilatera küsteri Ihering, 1893 = Castalia ambigua
+ Unio ambiguus Küster, 1861
+ Tetraplodon baro Ihering, 1910

Castalia (s.s.) quadrilatera quadrilatera Orbigny, 1835 = Castalia ambigua
+ Castalia acuticosta Hupé, 1857
+ Castalia turgida Hupé, 1857
+ Castalia hanleyana Sowerby, 1869
+ Castalia lateriquadrata Sowerby, 1869
+ Castalia quadrata Sowerby, 1869
+ Castalia latiquadrata Sowerby, 1869

Castalia (s.s.) quadrilatera quadrilatera Orbigny, 1835 = Castaliella quadrata

Castalia (s.s.) quadrilatera retusa Hupé, 1857 = Castalia psammoica
+ Castalia ovata Sowerby, 1869
+ Castalia carolinensis Sowerby, 1869
+ Castalia schombergiana Sowerby, 1869
+ Castalia cordata Swainson, 1840
+ Castalia orinocensis Morrison, 1943

Castalia (s.s.) quadrilatera retusa Hupé, 1857 = Castalia ambigua

Castalia (s.s.) quadrilatera retusa Hupé, 1857 = Castalia cordata

Castalia (s.s.) quadrilatera retusa Hupé, 1857 = Castaliella schombergiana

Castalia (s.s.) quadrilatera retusa Hupé, 1857 = Castalia orinocensis

Castalia (s.s.) undosa von Martens, 1885 = Castalia undosa

Ecuadorea bibliana Marshall & Bowles, 1932 = Diplodon hylaeus

Ecuadorea fluctiger (Lea, 1859)

Ecuadorea guaraniana (Orbigny, 1835) = Diplodon guaranianus

Ecuadorea hylaea (Orbigny, 1835) = Diplodon hylaeus

Ecuadorea laddi (Marshall, 1934)

Ecuadorea pazi (Hidalgo, 1868) = Diplodon guaranianus

Schleschiella burroughiana burroughiana (Lea, 1834) = Diplodon burroughianus
+ Unio wheatleyanus Lea, 1856
+ Unio peculiaris Lea, 1866
+ Diplodon asuncionis Marshall, 1926

Schleschiella burroughiana burroughiana (Lea, 1834) = Diplodon guaranianus

Schleschiella burroughiana burroughiana (Lea, 1834) = Diplodon wymanii

Schleschiella burroughiana rhuacoica [sic] (Küster, 1856) = Diplodon ellipticus

Schleschiella iheringi hasemani (Ortmann, 1921) = Diplodon guaranianus

Schleschiella iheringi iheringi (Simpson, 1900) = Diplodon iheringi

Schleschiella iheringi schadei n. subsp. = Diplodon guaranianus

Schleschiella obsolescens (Baker, F., 1913) = Diplodon obsolescens

Schleschiella parallelepipedon [sic] acutirostris (Lea, 1866) = Diplodon parallelopipedon

Schleschiella parallelepipedon [sic] trifida (Lea, 1860) = Diplodon parallelopipedon

Schleschiella parallelepipedon parallelepipedon [sic] (Lea, 1834) = Diplodon parallelopipedon
+ Unio bonplandii Lea, 1870
+ Unio teretiusculus Jickeli, 1874
+ Nodularia (sec. Cafferia) jickeli Simpson, 1900
+ Unio fourtaui Pallary, 1903
+ Diplodon fraus Ihering, 1907

Schleschiella parallelepipedon parallelepipedon [sic] (Lea, 1834) = Nitia teretiuscula

 
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