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A new catfish species of the genus Trichomycterus (Siluriformes: Trichomycteridae) from the río Orinoco versant of Páramo de Cruz Verde, Eastern Cordillera of Colombia Neotropical Ichthyology
DoNascimiento,Carlos; Prada-Pedreros,Saúl; Guerrero-Kommritz,Jürgen.
A new Trichomycterus is described from a highland tributary of the río Meta (Orinoco basin), along the east flank of Páramo de Cruz Verde, Eastern Cordillera of Colombia. The new species is distinguished from most of its congeners by having a reduced posterior cranial fontanel, restricted to the parieto-supraoccipital, cleithrum pierced by several foramina, and an unique combination of four irregular rows of conic teeth in premaxilla and dentary, 13-14 opercular odontodes, 41-43 interopercular odontodes, 6-7 branchiostegal rays, 40 or 41 free vertebrae, 14-18 ribs, first ray of pectoral fin slightly projected as a short filament, 7-8 branched pectoral-fin rays, dorsal-fin origin at same level of pelvic-fin insertion, anal-fin origin posterior to dorsal-fin...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ituglanis; Río Orinoco basin; Osteology; Trichomycterinae; Trichomycterus cachiraensis.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252014000400717
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Trichomycterus venulosus (Steindachner, 1915), a junior synonym of Eremophilus mutisii Humboldt, 1805 (Siluriformes: Trichomycteridae) and not an extinct species Neotropical Ichthyology
DoNascimiento,Carlos; Prada-Pedreros,Saúl; Guerrero-Kommritz,Jürgen.
Reexamination of the syntypes of the enigmatic Trichomycterus venulosus, described from Páramo de Cruz Verde, Eastern Cordillera of Colombia, allowed us to assess its actual taxonomic status. This nominal species is demonstrated to constitute a junior synonym of Eremophilus mutisii, and then not represents a case of extinction of a fish endemic to Colombia, as currently accepted.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Catfish; Páramo de Cruz Verde; Pelvic-less; Taxonomy; Trichomycterinae.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252014000400707
Registros recuperados: 2
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