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                  Sun 07 Sep 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! 
This page documents data for H.B. Baker (1930), such as genera and species attributed to that publication (including known misspellings, misidentifications, and other unavailable names) as well as taxonomic opinions, if available. Taxonomic opinions refer to uses of genera and species as valid and invalid in that work. The MUSSEL Project Database has moved to a new server, with a new URL! The new address for this page is: https://musselpdb.org/db.php?ty=publ&id=296 
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 Publication information 
Baker, H.B. 1930. The Mollusca collected by the University of Michigan-Williamson Expedition in Venezuela.  VI. Occasional Papers of the Museum of Zoology, University of Michigan (210). 95 pp. 
Click here for online access. 
Attributed Species Names
  Anodonta trapezialis Blainville, 1825
    ‘Lamarck’  of Authors.
     Blainville, 1825, Manuel Malacol. et Conch.: 538.
     Bory de St. Vincent, 1827, Encycl. Méth. 2: 147.
     Menke, 1828, Syn. Method. Moll.: 63.
     Menke, 1830, Syn. Method. Moll.: 106.
     Lea, 1834, Trans. Amer. Phil. Soc. 5 [O. 1]: 93.
     d’Orbigny, 1835, Mag. Zool. 5(61-62): 43.
     Lea, 1836, Synopsis Fam. Naiades: 53.
     Lea, 1838, Synopsis Fam. Naiades: 31.
     Swainson, 1840, Treat. Malacol.: 287.
     Hanley, 1843, Illustr. Descr. Cat. Rec. Bivalve Shells: 220.
     d’Orbigny, 1846, Voyage dans l’Amérique Méridionale 5: 596.
     Lea, 1852, Synopsis Fam. Naiades: 52.
     Hupé, 1857, [in] Castelnau, Anim. Nouv. Rares d’Amer. Sud: 85.
     Adams & Adams, 1857, Gen. Rec. Moll. 2(31-32): 504.
     Lea, 1870, Synopsis Fam. Naiades: 82.
     Ihering, 1893, Arch. Naturg. 59(1): 135.
     Corsi, 1900, Anais Mus. Nac. Montevideo  2: 456.
     Marshall, 1915, Proc. U.S. Nat. Mus. 49(2122): 529.
     Haas, 1929, Senckenbergiana 11: 340.
     H.B. Baker, 1930, Occ. Pap. Mus. Zool. Univ. Mich. (210): 70.
     Morretes, 1949, Arqu. Mus. Paranaense 7: 27.
    (error for Anodonta trapesialis Lamarck, 1819)
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  Eupera gravis H.B. Baker, 1930
     H.B. Baker, 1930, Occ. Pap. Mus. Zool. Univ. Mich. (210): 56, pl. 31, figs. 1-6.
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  Anodontites infossus H.B. Baker, 1930
      H.B. Baker, 1930, Occ. Pap. Mus. Zool. Univ. Mich. (210): 67, pls. 32-33, figs. E.
    Type(s): HOLOTYPE (ORIG. DESIG.) UMMZ_112619, Caño Minapam, near Palma Sola, Venezuela.
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  Pisidium bejumae H.B. Baker, 1930
     H.B. Baker, 1930, Occ. Pap. Mus. Zool. Univ. Mich. (210): 58, pl. 31, figs. 7-10 [as ‘bejumæ’].
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  Anodontites aroanus H.B. Baker, 1930
      H.B. Baker, 1930, Occ. Pap. Mus. Zool. Univ. Mich. (210): 69, pls. 32-33, figs. D.
    Type(s): HOLOTYPE (ORIG. DESIG.) UMMZ_112621, Caño Minapam, near Palma Sola, Venezuela.
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  Tetraplodon stevensi H.B. Baker, 1930
      H.B. Baker, 1930, Occ. Pap. Mus. Zool. Univ. Mich. (210): 63, pl. 32-33, figs. B.
    Type(s): HOLOTYPE ANSP_125531A, Yuruari River, Venezuela.
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  Polymesoda zulia H.B. Baker, 1930
     H.B. Baker, 1930, Occ. Pap. Mus. Zool. Univ. Mich. (210): 61, pls. 32-33, figs. C, F.
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Taxonomic Opinions
	 Anodontites (Virgula) falsus (Simpson, 1900)
	 
	Anodontites aroanus new species
	 
	Anodontites guanarensis Marshall, 1927
	 
	Anodontites infossus new species
	 
	Anodontites irisans Marshall, 1926
	 
	Anodontites pittieri Marshall, 1922
	 
	Anodontites tortilis (Lea, 1852)
	 + Anodonta luteola Lea, 1858
	 
	Anodontites trapezialis [sic] Simpson, 1914
	 
	Corbicula (Neocorbicula) cuneata (Jonas, 1844)
	 
	Eupera bahiensis (”Spix” Wagner, 1827)
	 + Cyclas?? tumida Clessin, 1879
	 
	Eupera gravis new species
	 
	Eupera insignis Pilsbry, 1925
	 
	Eupera moquiniana (Bourguignat, 1854)
	 + Cyclas modioliformis Anton, 1837
	 + Cyclas (Pisidium) diaphanum Haldeman, 1841
	 + Cyclas littoralis Prime, 1865
	 + Cyclas striatella Prime, 1865
	 + Cyclas venezuelensis Prime, 1865
	 
	Eupera simoni (Jousseaume, 1889)
	 + Cyclas bahiensis Martens, 1873
	 
	Monocondylaea tamsiana Dunker, 1858
	 + Monocondylaea tamsana Simpson, 1900
	 
	Mycetopoda pittieri Marshall, 1927
	 
	Pisidium bejumae new species
	 
	Pisidium punctiferum (Guppy, 1867)
	 
	Polymesoda aequilatera (Desh.)
	 
	Polymesoda arctata (Deshayes, 1854)
	 
	Polymesoda mexicana (Brod. & Swby.)
	 
	Polymesoda zulia new species
	 
	Prisodon syrmatophorus (Meuschen in Gronovius, 1781)
	 
	Tetraplodon stevensi new species
	 
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  Page updated: 08:44:53 Sun 07 Sep 2025  |  
 
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