Megalechis, Reis, 1997

Published, First, 2007, Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types, Zootaxa 1418, pp. 1-628 : 129-130

MEGALECHIS

Megalechis Reis, 1997: 310 . Type species: Callichthys thoracatus Valenciennes, 1840 . Type by original designation. Gender: Feminine.

Revision: Reis (1997).

Remarks: Nomenclature of species in this genus corrected by Reis et al. (2005).

Megalechis picta (Müller & Troschel, 1848)

Callichthys pictus Müller & Troschel, 1848: 630 . Type locality: Britisch-Guiana. Syntype: ZMB 3151 (1).

Callichthys sulcatus Kner, 1855a: 110 . Type locality: Rio branco und Marabitanas [ Brazil]. Lectotype: NMW 4775 , designated by (Reis, 1997: 311). Originally Cal. sulcatus .

Hoplosternum oronocoi Fowler, 1915a: 229 , fig. 8. Type locality: La Pedrita, Cano Uracoa, Venezuela. Holotype: ANSP 37895 .

Distribution: Amazon, Orinoco and upper Essequibo River basins, and coastal rivers of northern Brazil (Reis et al., 2005: 681).

Megalechis thoracata (Valenciennes, 1840)

Callichthys thoracatus Valenciennes , in Cuvier & Valenciennes, 1840b: 309 (230 in the Strasbourg deluxe edition), pl. 443. Type locality: la Mana [ French Guiana]. Holotype: MNHN 0000-4266.

Callichthys longifilis Valenciennes , in Cuvier & Valenciennes, 1840b: 317 (235 in the Strasbourg deluxe edition). Type locality: Cayenne. Holotype: MNHN 0000-4284.

Callychthys personatus Ranzani, 1841: 113 . Type locality: [ Unknown , apparently Brazil]. Holotype: MZUB 934 . Illustrated and described in more detail in Ranzani (1842: 322, pl. 24, fig.1).

Callichthys exaratus Müller & Troschel, 1848: 630 . Type locality: Britisch-Guiana. Type (s): Whereabouts unknown.

Hoplosternum thoracatum surinamensis Hoedeman, 1952b: 5 . Type locality: Surinam. Holotype: ZMA 100292 .

Distribution: Amazon, Orinoco and Paraguay River basins, and coastal rivers of the Guianas and northern Brazil (Reis et al., 2005).

SCLEROMYSTAX Günther, 1864

Scleromystax Günther, 1864: 225 , 229. Type species: Callichthys barbatus Quoy & Gaimard, 1824 . Type by monotypy. Gender: Masculine. Described in key (p. 225) as a subgenus of Callichthys , with species on p. 229.

Remarks: Recently removed from the synonymy of Corydoras by Britto (2003).

Scleromystax barbatus (Quoy & Gaimard, 1824)

Callichthys barbatus Quoy & Gaimard, 1824: 234 . Type locality: ...petit ruisseaux qui aurosent, près de Rio de Janeiro, la ferme de Mandioca; [now: Fazenda da Japuhyba near Angra dos Reis, Rio de Janeiro, Brazil, 22º59'S, 44º17'W, by neotype designation]. Neotype: CAS 16006, designated by Nijssen & Isbrücker (1980b: 202).

Corydoras kronei Miranda Ribeiro , 1907a: 189, figure on p. 189. Type locality: buracos do leito dos Rios Una da Aldeia e Despraiado [Iporanga, Brazil]. Lectotype: MNRJ 918 A, designated by Nijssen & Isbrücker (1980b: 202).

Corydoras eigenmanni Ihering, 1907: 34 . Type locality: Riverlets by Cubatão and Raiz da Serra , State of São Paulo. Lectotype: MZUSP 153 , designated by Britski (1969: 206).

Distribution: Coastal drainages from Rio de Janeiro to Santa Catarina States, Brazil (Reis, 2003).

Scleromystax macropterus (Regan, 1913)

Corydoras macropterus Regan, 1913a: 232 . Type locality: Paranagua , Brazil. Lectotype: BMNH 1913.1 .1.11, designated by Nijssen & Isbrücker (1980b: 206).

Corydoras bertoni Eigenmann , in Eigenmann & Allen, 1942: 179. Type locality: Puerto Bertoni, Alto Paraná, Paraguay. Holotype (32 mm FL): IU 15441 (apparently not found at CAS).

Distribution: Coastal rivers of Brazil from São Paulo to Santa Catarina States, and some tributaries of the upper Paraná River (Reis, 2003).

Remarks: See Buckup & Malabarba (1990) for comments on the type locality of Corydoras macropterus .

Scleromystax prionotos (Nijssen & Isbrücker, 1980)

Corydoras prionotos Nijssen & Isbrücker, 1980a: 5 , figs. 6–7. Type locality: Linhares , 19º22'S, 40º04'W, Lagoa Juparanã, Rio Doce system [ Brazil]. Holotype: MNRJ 10537 .

Distribution: Coastal rivers in southeastern Brazil from Espirito Santo to São Paulo, Brazil (Reis, 2003).

Scleromystax salmacis Britto & Reis, 2005

Scleromystax salmacis Britto & Reis, 2005: 482 , figs. 1–2. Type locality: Brazil, Estado de Santa Catarina, Praia Grande, arroio Molha Coco in Vila Rosa nearly 5.5 km northwest from Praia Grande , 29º10'14"S 49º58'53"W. Holotype: MCP 38388.

Distribution: Mampituba, Araranguá and Ratones river basins, Santa Catarina State, Brazil (Britto & Reis, 2005).