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Page last updated
Thu 3 September 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

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Publication Schumacher (1817): summary
     publication summary

Complete Citation

Schumacher, C.F. 1817. Essai d'un nouveau système des habitations des vers testacés. 288 pp. Available electronically.

Attributed Nominal Genera

There are 15 available nominal genera attributed to this publication (15 total).
Click here for a complete list.

Attributed Nominal Species

Antigona lamellaris Schumacher, 1817
Schumacher, 1817. Essai. Nouv. Syst.: 155.

Cristaria tuberculata Schumacher, 1817
Schumacher, 1817. Essai. Nouv. Syst.: 107, pl. 20, fig. 2.

Cyclas laevigata Schumacher, 1817
Schumacher, 1817. Essai. Nouv. Syst.: 170, pl. 12, fig. 1.

Ensis magnus Schumacher, 1817
Schumacher, 1817. Essai. Nouv. Syst.: 143, pl. 14, figs. 1a-b.

Margaritana fluviatilis Schumacher, 1817
Schumacher, 1815. Overs. Dansk. Vid. Selsk. Forhandl. Kjobehhaven 1813-1815: 7. [nomen nudum]
Schumacher, 1817. Essai. Nouv. Syst.: 124, pl. 10, fig. 4.

Paxyodon ponderosus Schumacher, 1817
Schumacher, 1815. Overs. Dansk. Vid. Selsk. Forhandl. Kjobehhaven 1813-1815: 7 [as ‘ponderosum’]. [nomen nudum]
Schumacher, 1817. Essai. Nouv. Syst.: 46, 139, pl. 11, fig. 3.

Prisodon obliquus Schumacher, 1817
Schumacher, 1815. Overs. Dansk. Vid. Selsk. Forhandl. Kjobehhaven 1813-1815: 7. [nomen nudum]
Schumacher, 1817. Essai. Nouv. Syst.: 139, pl. 11, fig. 2.

Prisodon truncatus Schumacher, 1817
Schumacher, 1817. Essai. Nouv. Syst.: 139.

Unio granosus Schumacher, 1817
Schumacher, 1817. Essai. Nouv. Syst.: 138, pl. 11, fig. 1.
(homonym of Unio granosa Bruguière, 1792)

Taxonomic Opinions

Cristaria tuberculata Schumacher, 1817 = Cristaria plicata

Margaritana fluviatilis Schumacher, 1817 = Margaritifera margaritifera
+ Mya margaritifera Linnaeus, 1758
+ Mya margaritifera Gmelin, 1791

Margaritana fluviatilis Schumacher, 1817 = Pseudunio auricularius

Paxyodon ponderosus Schumacher, 1817 = Prisodon syrmatophorus

Prisodon obliquus (Schumacher, 1817)

Prisodon truncatus (Schumacher, 1817) = Castalia ambigua

Unio granosus Schumacher, 1817 = Potomida littoralis

Unio tumidus Retzius, 1788
 
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