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Page last updated
Thu 17 July 2025

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

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!


Bivalvia | ... | Unionidae | Gonideinae | Contradentini | Pressidens

species Pressidens exanthematicus (Küster, 1861): synonymy
     27 specimens

Unio exanthematicus Küster, 1861
Küster, 1861. Conchyl. Cab. 9(2): 243, pl. 81, figs. 2.

Lamellidens (s.s.) exanthematicusSimpson (1900), Preston (1915)
Lamellidens (s.s.) marginalis var. exanthematicusSimpson (1914)
Pressidens exanthematicusHaas (1914), Haas (1924), Haas (1969), Graf & Cummings (2007), Bogan (2010), Zieritz et al. (2018), Zieritz et al. (2018), Zieritz et al. (2020), Pfeiffer et al. (2021), Graf & Cummings (2021)

Pseudodon insularis Drouët, 1894
Drouët, 1894. Rev. Biol. Nord France 6: 217, text fig. 2.
Drouët, 1895. J. de Conch. 43: 37, sp. 112.
Type(s): SYNTYPE SMF_3602, Insel Banguey b. Borneo.

Dalliella insularisSimpson (1900), Preston (1912)
Simpsonella insularisSimpson (1914)
Pressidens insularisHaas (1914), Haas (1969), Graf & Cummings (2007), Bogan (2010), Zieritz et al. (2018), Zieritz et al. (2018), Zieritz et al. (2020), Graf & Cummings (2021)
Pressidens exanthematicusPfeiffer et al. (2021)

Pressidens moellendorffi Haas, 1910
Haas, 1910. Nachr. Bl. Dtsch. Malak. Ges. 42: 103.
Haas, 1911. Conch. Cab. 9 (pt. 2, h. 44): pl. 23, figs. 3-5.
Haas, 1914. Conch. Cab. 9 (pt. 2, h. 49): 207.
Haas, 1969. Das Tierreich 88: 82.
Haas, 1969. Treatise on Invert. Paleo: N430.
Type(s): TYPE SMF_3600, Insel Palawan b. Borneo.

Pressidens moellendorffiHaas (1910), Simpson (1914), Haas (1914), Thiele (1934), Haas (1969), Haas (1969), Graf & Cummings (2007), Bogan (2010), Zieritz et al. (2018), Graf & Cummings (2021)
Pressidens exanthematicusPfeiffer et al. (2021)

Dalliella insularis Preston, 1912
‘Drouet’ Preston, 1912. Rec. Ind. Mus. 7: 294.
(reference to Pseudodon insularis Drouët, 1894)

Pressidens exanthematicusHaas (1914)

Taxonomic History (since 1900)

Lamellidens (s.s.) exanthematicusSimpson (1900), Preston (1915)
Dalliella insularisSimpson (1900), Preston (1912)
Pressidens moellendorffiHaas (1910), Simpson (1914), Haas (1914), Thiele (1934), Haas (1969), Haas (1969), Graf & Cummings (2007), Bogan (2010), Zieritz et al. (2018), Graf & Cummings (2021)
Lamellidens (s.s.) marginalis var. exanthematicusSimpson (1914)
Pressidens exanthematicusHaas (1914), Haas (1924), Haas (1969), Graf & Cummings (2007), Bogan (2010), Zieritz et al. (2018), Zieritz et al. (2018), Zieritz et al. (2020), Pfeiffer et al. (2021), Graf & Cummings (2021)
Simpsonella insularisSimpson (1914)
Pressidens insularisHaas (1914), Haas (1969), Graf & Cummings (2007), Bogan (2010), Zieritz et al. (2018), Zieritz et al. (2018), Zieritz et al. (2020), Graf & Cummings (2021)

 
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