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Xiurenbagrus, a New Genus of Amblycipitid Catfishes (Teleostei: Siluriformes), and Phylogenetic Relationships among the Genera of Amblycipitidae

Xiaoping Chen and John G. Lundberg
Copeia
Vol. 1995, No. 4 (Dec. 21, 1995), pp. 780-800
DOI: 10.2307/1447027
Stable URL: http://www.jstor.org/stable/1447027
Page Count: 21
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Xiurenbagrus, a New Genus of Amblycipitid Catfishes (Teleostei: Siluriformes), and Phylogenetic Relationships among the Genera of Amblycipitidae
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Abstract

Xiurenbagrus, a new genus of the Amblycipitidae, is established for the single species Liobagrus xiurenensis Yue 1981. This taxon differs from confamilials by having two patches of vomerine teeth, lack of deep grooves along shafts of dorsal- and pectoral-fin spines, relatively acute snout, and short barbels. Xiurenbagrus xiurenensis is redescribed to include new data on its osteology and external morphology. The three genera of the Amblycipitidae, Xiurenbagrus, Amblyceps, and Liobagrus, are a monophyletic group. Monophyly of each genus is well supported by several synapomorphies of the skeleton and external soft anatomy. Within the Amblycipitidae, Amblyceps is the sister taxon of Liobagrus, a relationship supported by 10 synapomorphies.

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