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 Publication Haas (1911): summarypublication summary
 Complete CitationHaas, F. 1911. Die Unioniden. [in] H.C. Küster, Systematisches Conchylien-Cabinet von Martini und Chemnitz 9 (pt. 2, h. 44): 65-88, pls., 18-23. Available electronically. Attributed Nominal GeneraContradens Haas, 1911Haas, 1911. Conch. Cab. 9 (pt. 2, h. 44): pl. 18-22.
 Haas, 1913. Nachr. Bl. Dtsch. Malak. Ges. 45: 35.
 Haas, 1913. Conch. Cab. 9 (pt. 2, h. 48): 173.
 Type species: Unio contradens Lea, 1838 (orig. desig.) = Lens contradens
 Pressidens Haas, 1910Haas, 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
 Schizocleithrum Haas, 1913Haas, 1911. Conch. Cab. 9 (pt. 2, h. 44): pl. 22.
 Haas, 1913. Nachr. Bl. Dtsch. Malak. Ges. 45: 36.
 Haas, 1914. Conch. Cab. 9 (pt. 2, h. 49): 202.
 Type species: Unio pajakomboensis Bullen, 1906 (orig. desig.) = Lens contradens
Attributed Nominal Species| Nodularia denserugata Haas, 1910Haas, 1910. Ann. Mag. Nat. Hist. 6: 496.
 Haas, 1910. Conch. Cab. 9 (pt. 2, h. 42): pl. 8, figs. 3-4.
 
  Haas, 1911. Conch. Cab. 9 (pt. 2, h. 44): 83, pl. 8, figs. 3-4. |  |
 | Nodularia johohamensis Haas, 1911‘Kobelt’ Haas, 1911. Conch. Cab. 9 (pt. 2, h. 44): 87.
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 | Nodularia douglasiae crassidens Haas, 1910
  Haas, 1910. Ann. Mag. Nat. Hist. 6: 499. Haas, 1910. Conch. Cab. 9 (pt. 2, h. 42): pl. 7, figs. 4-5.
 
  Haas, 1911. Conch. Cab. 9 (pt. 2, h. 44): 75. Type(s): TYPE SMF_3659, Hunan, M. China.
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 | 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.
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 Taxonomic OpinionsNodularia (s.s.) denserugata Haas, 1910 = Nodularia douglasiae Nodularia (s.s.) dorri (Wattebled, 1886) = Nodularia dorri Nodularia (s.s.) douglasiae crassidens Haas, 1910 = Nodularia douglasiae Nodularia (s.s.) douglasiae douglasiae (Griffith & Pidgeon, 1834) = Nodularia douglasiae+ Unio murchisonianus Lea, 1834
 + Unio osbeckii Philippi, 1844
 + Unio nuxpersicae Dunker, 1849
 + Unio wrightii Lea, 1865
 + Unio sculptus Deshayes, 1873
 + Unio douglasiae dactylinus Heude, 1885
 + Unio pictorum var. longirostris Westerlund, 1877
 + Unio pictorum var. amurensis Mousson, 1887
 + Unio abbreviatus Westerlund, 1897
 Nodularia (s.s.) douglasiae douglasiae (Griffith & Pidgeon, 1834) = Nodularia nuxpersicae Nodularia (s.s.) douglasiae nipponensis (von Martens, 1877) = Nodularia nipponensis Nodularia (s.s.) douglasiae shanghaiensis (Lea, 1859) = Nodularia douglasiae Nodularia (s.s.) douglasiae sinuolata (von Martens, 1905) = Nodularia breviconcha Nodularia (s.s.) japanensis japanensis (Lea, 1859) = Pronodularia japanensis Nodularia (s.s.) japanensis johohamensis [sic] (von Ihering, 1893) = Inversiunio jokohamensis Nodularia (s.s.) pliculosus (von Martens, 1884) = Nodularia douglasiae Nodularia (s.s.) verrucifera (von Martens, 1894) = Nodularia douglasiae |