New Species of Trichomycterus from the Andean Cordillera of Argentina (Siluriformes: Trichomycteridae)

Trichomycterus hualco, new species, is described from an Andean stream in the Provincia de La Rioja, Argentina. The new species is distinguished from other species of Trichomycterus in the combination of the number of odontodes on the opercle and interopercle, the degree of exposure of the odontodes...

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Bibliographic Details
Authors: Fernandez, Luis Alfredo; Vari, Richard P.
Format: Article
Status:Published version
Publication date:2009
Country:Argentina
Institution:Consejo Nacional de Investigaciones Científicas y Técnicas
Repository:CONICET Digital (CONICET)
Language:English
OAI Identifier:oai:ri.conicet.gov.ar:11336/76531
Online Access:http://hdl.handle.net/11336/76531
Access Level:Open access
Keyword:Trichomycteridae
Siluriformes
Andean
Taxonomy
https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
Description
Summary:Trichomycterus hualco, new species, is described from an Andean stream in the Provincia de La Rioja, Argentina. The new species is distinguished from other species of Trichomycterus in the combination of the number of odontodes on the opercle and interopercle, the degree of exposure of the odontodes on the interopercle, the form of the premaxillary teeth, the presence of papillae-like structures on the body, the number of vertebrae, the position of the first proximal dorsal-fin pterygiophore, the form of the supraorbital canal within the frontal, the length of the lateral-line canal, and various meristic features.