DIPLOMYSTIDAE Eigenmann, 1890

Published, First, 2007, Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types, Zootaxa 1418, pp. 1-628 : 165-166

DIPLOMYSTIDAE Eigenmann, 1890

Diplomystidae Eigenmann, 1890: 14 . Type genus: Diplomystes Bleeker, 1858 .

Reviews: Azpelicueta (1994a, 1994b), Argentina; Arratia (1987) Chile.

Phylogeny: Arratia (1987).

Taxonomic summary: Ferraris (2003a).

2 genera, 6 species; no named fossil taxa.

DIPLOMYSTES Bleeker, 1858

Diplomyste Duméril, 1856: 487 . Type species: Arius papillosus Valenciennes, 1840 . Type by monotypy. Gender: Masculine. Predates Diplomystes Bleeker, 1858 , but the latter in wide use.

Diplomystes Bleeker, 1858b: 63 . Type species: Arius papillosus Valenciennes, 1840 . Type by monotypy. Gender: Masculine.

Diplomystax Günther, 1864: 180 . Type species: Arius papillosus Valenciennes, 1840 . Type by original designation. Gender: Masculine. Unneeded replacement for Diplomyste Duméril and Diplomystes Bleeker.

Diplomystes camposensis Arratia, 1987

Diplomystes camposensis Arratia, 1987: 44 , fig. 19. Type locality: Lago Riñihue , Chile. Holotype: IZUA 3302 .

Distribution: Valdivia region, southern Chile (Arratia, 1987).

Diplomystes chilensis (Molina, 1782)

Silurus chilensis Molina, 1782: 225 . Type locality: Chile. Type (s): Whereabouts unknown.

Arius papillosus Valenciennes in Cuvier & Valenciennes, 1840b: 118 (88 in the Strasbourg deluxe edition), pl. 431. Type locality: Rivières de Valparaíso et de San-Jago du Chili. Syntypes: MNHN 0000-1212 (1), MNHN b-0584 (1), MNHN b-0585 (4), MNHN a-9028 (1), MNHN uncataloged (skeleton, missing).

Arius cacharioides Leybold, 1859: 1083 , pls. 1–2. Type locality: Ad thermos Colina, dictas in flumine, Río Seco ( Chile). Syntypes (100): Whereabouts unknown.

? Arius micropterus Philippi, 1866: 713 . Type locality: ( Chile) . Type (s): Whereabouts unknown .

Arius squalus Philippi, 1866: 713 . Type locality: Peine, Santiago, Chile. Type (s): Whereabouts unknown.

? Arius synodon Philippi, 1866: 714 . Type locality: ( Chile) . Type (s): Whereabouts unknown .

? Arius villosus Philippi, 1866: 712 . Type locality: ( Chile) . Type (s): Whereabouts unknown .

Distribution: Rivers near Valparaiso and Santiago, central Chile (Arratia 1987).

Remarks: Arratia (1987) reports the species as either extinct or endangered. The imprecise type localities of many of the names listed in the synonymy make it impossible to know whether the names belong here or with another species of Diplomystes .

Diplomystes nahuelbutaensis Arratia, 1987

Diplomystes nahuelbutaensis Arratia, 1987: 33 , fig. 11. Type locality: Río Cautín , Lautaro, Chile. Holotype: CAS 55423.

Distribution: Bío-Bío River basin and Loncomilla River, Chile (Arratia, 1987; Ruiz & Berra, 1994, with biological notes).

OLIVAICHTHYS Arratia, 1987

Olivaichthys Arratia, 1987: 66 . Type species: Diplomystes viedmensis MacDonagh, 1931 . Type by original designation. Gender: Masculine.

Key: Azpelicueta (1994a, as Diplomystes ).

Review: Azpelicueta (1994b, as Diplomystes ).

Olivaichthys cuyanus (Ringuelet, 1965)

Diplomystes viedmensis cuyanus Ringuelet, 1965: 91 . Type locality: Arroyo Yaucha (Vilucó, Mendoza) [ Argentina]. Holotype: MLP 286 .

Distribution: Colorado River and tributaries; Desaguadero-Salado River basin, including the rivers San Juan, Mendoza, Tunuyán and temporary environments connected to those rivers, Argentina (Azelpelicueta, 1994b).

Olivaichthys mesembrinus (Ringuelet, 1982)

Diplomystes viedmensis mesembrinus Ringuelet, 1982: 349 , figured on p. 350. Type locality: Desembocadura del Río Senguer en el lado Musters (45º60'S, 49º10'W) [Chubut, Argentina]. Holotype: ILPLA 8452 .

Distribution: Chubut and Senguer River basins, Argentina (Azpelicueta, 1994b).

Remarks: Redescribed in Azpelicueta & Gosztonyi (1998) as Diplomystes mesembrinus .

Olivaichthys viedmensis (MacDonagh, 1931)

Diplomystes viedmensis MacDonagh, 1931: 65 . Type locality: río Negro , Argentina, frente a Viedma. Holotype: MLP 214 .

Distribution: South America: Negro River and tributaries in Argentina (Azpelicueta, 1994b).