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Data last updated
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Publication R.I. Johnson (1998): summary

publication summary

Full Citation

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. Available electronically.

Attributed Nominal Species

Potamilus metnecktayi R.I. Johnson, 1998 = Potamilus metnecktayi

R.I. Johnson, 1998. Occ. Pap. Moll. 5(76): 429, pl. 22, figs. 1-2.
Type(s): HOLOTYPE (ORIG. DESIG.) UMMZ_255018, Rio Salado, 45 mi S Nuevo Laredo, Tamaulipas, Mexico.

Taxonomic Opinions

Actinonaias walkeri Baker, 1922 = Mesonaias tampicoensis

Cyrtonaias tampicoensis (Lea, 1838) = Mesonaias tampicoensis
+ Unio berlandierii Lea, 1857
+ Unio heermannii Lea, 1861
+ Unio saladoensis Lea, 1860

Cyrtonaias tampicoensis (Lea, 1838) = Cyrtonaias berlandierii

Disconaias disca (Lea, 1838)
+ Unio panacoensis Philippi, 1843
+ Unio mexicanus Sowerby, 1867
+ Unio lapidosus Kobelt, 1893
+ Unio (Lampsilis) discus var. connectens Martens, 1900
+ Lampsilis fimbriata Frierson, 1907
+ Lampsilis (Proptera) salinasensis Dall, 1908

Disconaias disca (Lea, 1838) = Disconaias fimbriata

Lampsilis explicata (Morelet, 1849) = Mesonaias explicata
+ Unio explicatus Fischer & Crosse, 1894
+ Lampsilis (Proptera) lividus Simpson, 1900

Potamilus metnecktayi new species

Potamilus purpurata (Lamarck, 1819) = Potamilus purpuratus
+ Unio coloradoensis Lea, 1856