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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 Haas (1910): summary
     publication summary

Complete Citation

Haas, F. 1910. Neue Najaden. Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft 42: 97-103. Available electronically.

Attributed Nominal Genera

Pressidens Haas, 1910
Haas, 1910. Nachr. Bl. Dtsch. Malak. Ges. 42: 102.
Haas, 1911. Conch. Cab. 9 (pt. 2, h. 44): pl. 23.
Haas, 1914. Conch. Cab. 9 (pt. 2, h. 49): 204.
Type species: Pressidens moellendorffi Haas, 1910 (orig. desig.) = Pressidens exanthematicus

Attributed Nominal Species

Hyriopsis gracilis Haas, 1910
Haas, 1910. Nachr. Bl. Dtsch. Malak. Ges. 42: 101.

Microdontia ovata Haas, 1910
Haas, 1910. Nachr. Bl. Dtsch. Malak. Ges. 42: 100.
Haas, 1911. Conch. Cab. 9 (pt. 2, h. 43): pl. 16, fig. 5.
Haas, 1913. Conch. Cab. 9 (pt. 2, h. 48): 161.
Type(s): HOLOTYPE SMF_3531, N. Guinea; Umg. v. Konstantinhafen ?

Nodularia persculpta Haas, 1910
Haas, 1910. Nachr. Bl. Dtsch. Malak. Ges. 42: 98.
Haas, 1910. Conch. Cab. 9 (pt. 2, h. 42): pl. 10, figs. 4-7.
Haas, 1911. Conch. Cab. 9 (pt. 2, h. 45): 105.

Nodularia verrucosa Haas, 1910
Haas, 1910. Nachr. Bl. Dtsch. Malak. Ges. 42: 99.
Type(s): TYPE SMF_3660, Hunan, M. China.

Parreysia hunanensis Haas, 1910
Haas, 1910. Nachr. Bl. Dtsch. Malak. Ges. 42: 97.
Type(s): HOLOTYPE SMF_3595_2, Hunan [Húnán], Hubei [Húběi], Mittelchina [China].

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.

Taxonomic Opinions

Hyriopsis gracilis n. sp. = Hyriopsis bialata

Microdontia ovata n. sp.

Nodularia persculpta n. sp.

Nodularia verrucosa n. sp. = Nodularia douglasiae

Parreysia hunanensis n. sp. = Acuticosta ovata

Pressidens moellendorffi n. sp. = Pressidens exanthematicus

 
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