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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 Wagner (1827): summary
     publication summary

Complete Citation

Wagner, J.A. 1827. Testacea Fluviatilia Quae in Itinere per Brasiliam Annis MDCCCXVII – MDCCCXX. 36 pp., 29 pls. Available electronically.

Attributed Nominal Genera

Aplodon Wagner, 1827
Spix in
Wagner, 1827. Test. Fluv. Brasil.: pl. 25, figs. 1-2.
(homonym of Rafinesque, 1819 [Gastrop.]; renamed Spixoconcha Pilsbry, 1893)
Type species: Aplodon inerme Wagner, 1827 (monotypy) = Monocondylaea minuana

Diplodon Wagner, 1827
Spix in
Wagner, 1827. Test. Fluv. Brasil.: pl. 26.
Type species: Diplodon ellipticum Wagner, 1827 (sub. desig. by of Authors, 0) = Diplodon ellipticus

Tetraplodon Wagner, 1827
Spix in
Wagner, 1827. Test. Fluv. Brasil.: pl. 25, figs. 3-4.
Type species: Tetraplodon pectinatus Wagner, 1827 (sub. desig. by Simpson, 1900: 863) = Castalia ambigua

Triplodon Wagner, 1827
Spix in
Wagner, 1827. Test. Fluv. Brasil.: pl. 29.
Type species: Triplodon rugosus Wagner, 1827 (original designation) = Triplodon corrugatus

Attributed Nominal Species

There are 21 available nominal species attributed to this publication (25 total).
Click here for a complete list.

Taxonomic Opinions

Anodon anserinus Spix & Wagner, 1827 = Anodontites trapesialis

Anodon ensiformis Spix & Wagner, 1827 = Lamproscapha ensiformis

Anodon giganteus Spix & Wagner, 1827 = Anodontites patagonica
+ Anodon giganteus Wagner, 1827
+ Anodon crassus Swainson, 1823

Anodon giganteus Spix & Wagner, 1827 = Anodontites trapesialis

Anodon giganteus Spix & Wagner, 1827 = Leila esula

Anodon longinus Spix & Wagner, 1827 = Mycetopoda siliquosa

Anodon obtusus Spix & Wagner, 1827 = Anodontites obtusa

Anodon obtusus var. lituratum Spix & Wagner, 1827 = Anodontites obtusa

Anodon radiatus Spix & Wagner, 1827 = Anodontites trapesialis

Anodon rotundus Spix & Wagner, 1827 = Diplodon variabilis
+ Mytilus membranacea Maton, 1811
+ Aplodon inerme Wagner, 1827

Anodon rotundus Spix & Wagner, 1827 = Monocondylaea minuana

Anodon rotundus Spix & Wagner, 1827 = Anodontites trapezea

Anodon siliquosus Spix & Wagner, 1827 = Mycetopoda siliquosa

Anodon siliquosus var. pygmaeum Spix & Wagner, 1827 = Mycetopoda siliquosa

Anodon trapezeus Spix & Wagner, 1827 = Anodontites trapezea

Anodon trigonus Spix & Wagner, 1827 = Anodontites trigona

Diplodon caudatus (Spix & Wagner, 1827) = Prisodon obliquus
+ Diplodon furcatum Wagner, 1827
+ Hyria avicularis Lamarck, 1819

Diplodon ellipticum (Spix & Wagner, 1827) = Diplodon ellipticus

Diplodon rhombeus (Spix & Wagner, 1827)

Diplodon rotundus (Spix & Wagner, 1827)
+ Mya variabilis Maton, 1811

Diplodon rotundus (Spix & Wagner, 1827) = Diplodon variabilis

Tetraplodon pectinatum (Spix & Wagner, 1827) = Castalia ambigua
+ Castalia ambigua Lamarck, 1819

Triplodon rugosus (Spix & Wagner, 1827) = Triplodon corrugatus

 
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