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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.

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Publication Information

Johnson, R.I. 1998. A new mussel, Potamilus metnecktayi (Bivalvia: Unionidae) from the Rio Grande system, Mexico and Texas with notes on Mexican Disconaias. Occasional Papers on Mollusks 5(76): 427-455.
Availably electronically? yes.

Species Described
Potamilus metnecktayi R.I. Johnson, 1998.
R.I. Johnson, 1998, Occ. Pap. Moll.: 429, pl. 22, figs. 1-2.
Type(s): HOLOTYPE (ORIG. DESIG.) UMMZ_255018, Rio Salado, 45 mi S Nuevo Laredo, Tamaulipas, Mexico.
= Potamilus metnecktayi
Unio heermanii ‘Lea’ of Authors.
‘Lea’ Of Authors.
Singley, 1893, Geol. Surv. Texas: 322.
R.I. Johnson, 1998, Occ. Pap. Moll.: 448.
(error for Unio heermannii Lea, 1862)
= Cyrtonaias tampicoensis
Taxonomic Opinions
Actinonaias walkeri Baker, 1922. — R.I. Johnson (1998: 438).
Cyrtonaias tampicoensis (Lea, 1838). — R.I. Johnson (1998: 448).
Disconaias disca (Lea, 1838). — R.I. Johnson (1998: 434).
Lampsilis explicata (Morelet, 1849). — R.I. Johnson (1998: 438).
Potamilus metnecktayi new species. — R.I. Johnson (1998: 429).
Potamilus purpurata (Lamarck, 1819). — R.I. Johnson (1998: 431).
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