Page last updated
9 August

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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 search fields. Either way, you win!

Taxa known only as fossils are highlighted in gray. Those without representatives in fresh waters are highlighted in gold.




NOTICE! This version of the MUSSELpdb online is no longer supported or up-to-date. It will be removed from this web site in the summer of 2019.

Click here to view these data in the current, updated version. Or, click here to browse from the starting page.

Publication Information

Philippi, R.A. 1843. Abblildungen und Beschreibungen neuer oder wenig gekannter Conchylien 1.
Availably electronically? yes.

Species Described
Unio gratiosus Philippi, 1843.
‘Parreyss’ Philippi, 1843, Abbild. Beschr. Conch.: 20, pl. 1, fig. 5.
= Contradens gratiosus
Unio panacoensis Philippi, 1843.
von dem Busch in Philippi, 1843, Abbild. Beschr. Conch.: 75, pl. 2.
Type(s): LECTOTYPE MCZ_178882 (selected by R.I. Johnson, 1998), Panaco [Panuco River, near] Tampico, [Tamulipas State], Mexico.
= Disconaias panacoensis
Unio semigranosus Philippi, 1843.
‘von dem Busch’ Philippi, 1843, Abbild. Beschr. Conch.: 19, pl. 1, figs. 1-3.
Type(s): PARATYPES MCZ_152861, near Tampico, Mexico.
= Psoronaias semigranosa
Taxonomic Opinions
Unio gratiosus Parreyss. — Philippi (1843: 20).
Unio panacoensis von dem Busch. — Philippi (1843: 75).
Unio parvus Barnes. — Philippi (1843: 19).
Unio semigranosus von dem Busch. — Philippi (1843: 19).
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