Taxonomic revision of Galeocharax (Characiformes: Characidae: Characinae)
نویسندگان
چکیده
منابع مشابه
Monophyly of the Agoniatinae (Characiformes: Characidae).
The Characidae is the most diverse family of Neotropical fishes, currently encompassing more than one thousand valid species. Some subgroups within this family still lack phylogenetic definitions, being diagnosed on the basis of combination of characters, a common procedure in pre-cladistic studies. Agoniatinae, currently composed by two valid species, Agoniates anchovia and A. halecinus, is on...
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A freshwater fish Roeboides loftini n.sp. is described from the Río Coclé del Norte drainage of the Atlantic versant of Panamá. The new species differs from other species of the Roeboides guatemalensis-group by the number of perforated scales on the lateral line (83-100), body depth (31.8-36.1%), predorsal distance (49.1-51.9%) and the shape of the humeral spot.
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The genus Cyperus belongs to tribe Cypereae, subfamily Cyperoideae and family Cyperaceae that is the largest genus in this family after Carex. The classification of genus Cyperus is still unsettled because of morphological variations and therefore, makes determination of subgenera boundaries and species difficult. In Flora Iranica (KUKKONEN 1998) this genus was divided to six subgenera. In this...
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ژورنال
عنوان ژورنال: Neotropical Ichthyology
سال: 2017
ISSN: 1679-6225
DOI: 10.1590/1982-0224-20160040