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 Publication Pilsbry (1904): summarypublication summary
 Complete CitationPilsbry, H.A. 1904. Mexican land and freshwater mollusks. Proceedings of the Academy of Natural Sciences of Philadelphia 55: 761-789, pls. 53-54. Available electronically. Attributed Nominal Species| Sphaerium jalapensis Pilsbry, 1904Pilsbry, 1904. Proc. Acad. Nat. Sci. 55: 786, pl. 53, figs. 1-1a, pl. 54, fig. 3.
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 | Sphaerium martensi Pilsbry, 1899Pilsbry, 1899. Proc. Acad. Nat. Sci. 51: 401.
 Pilsbry, 1904. Proc. Acad. Nat. Sci. 55: 786, pl. 53, figs. 2-2a, pl. 54, fig. 4.
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 | Sphaerium (Musculium) novoleonis Pilsbry, 1904Pilsbry, 1904. Proc. Acad. Nat. Sci. 55: 787, pl. 53, figs. 5-5a, pl. 54, fig. 6.
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 | Unio (Lampsilis) rovirosai Pilsbry, 1900
  Pilsbry, 1900. Nautilus 13: 140. Pilsbry, 1904. Proc. Acad. Nat. Sci. 55: 788, pl. 54, figs. 1-1a.
 Type(s): HOLOTYPE (ORIG. DESIG.) ANSP_58916, Laguna de Atasta, nr. S.J. Bautista, Tabasco, Mex.
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 Taxonomic OpinionsLampsilis rovirosai (Pilsbry, 1900) = Mesonaias explicata Lampsilis umbrosus (Lea) = Mesonaias umbrosa Pisidium abditum (Hald.) = Euglesa casertana Sphærium jalapensis n. sp. = Sphaerium jalapensis Sphærium martensi (Pilsbry, 1899) = Sphaerium martensi Sphærium triangulare (Say) = Sphaerium triangulare+ Sphaerium luridum Martens, 1900
 Sphærium triangulare (Say) = Sphaerium luridum Sphærium (Musculium) novoleonis n sp. = Sphaerium novoleonis+ Sphaerium subtransversum Fischer & Crosse, 1894
 Sphærium (Musculium) subtransversum (Prime) = Sphaerium subtransversum Unio plexus Conrad = Sphenonaias plexus |