MolluscaBase name details
original description
(of Unio rhombeus Spix, 1827) Wagner, J. A. (1827). <i>Testacea fluviatilia quae in itinere per Brasiliam annis MDCCCXVII-MDCCCXX [1817-1820] jussu et auspiciis Maximiliani Josephi I. Bavariae Regis augustissimi suscepto, collegit et pingenda curavit Dr. J. B. de Spix (...), digessit, descripsit et observationibus illustravit Dr. J. A. Wagner</i>. Munich: C. Wolf. pp. i-iv, 1-36, plates 1-29. , available online at https://biodiversitylibrary.org/page/39465053 page(s): 34, pl. 28, figs. 1-2 [details]
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