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A new genus and species of Labeonini (Teleostei: Cyprinidae) from the Pearl River in China.

ABSTRACT: Zuojiangia jingxiensis, both a new genus and species, is described from the Pearl River in China. It is distinguished from all other genera and species of Labeonini by the unique combination of modified oromandibular structures and head skeleton: a well-developed, pendulous, and conspicuously arched rostral fold, with an entirely crenulated margin; prominent papillae densely covering the margin of the rostral fold and anterior part of the lower lip; long postlabial grooves, partitioning the lower lip into three parts; transverse branch of dentary longer than half the length of the longitudinal branch; stubby lateral process present at the anterolateral margin of the longitudinal branch of the dentary, close to the corner; in the upper jaw, the premaxilla bears a triangular ascending process tapering to a point; maxilla exhibits a pair of articular heads at the anterodorsal margin, and a distinct fingerlike descending process posterior to the medial articular head embracing the ascending process of the premaxilla.

SUBMITTER: Zheng LP 

PROVIDER: S-EPMC6034820 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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A new genus and species of Labeonini (Teleostei: Cyprinidae) from the Pearl River in China.

Zheng Lan-Ping LP   He You Y   Yang Jun-Xing JX   Wu Lun-Biao LB  

PloS one 20180706 7

Zuojiangia jingxiensis, both a new genus and species, is described from the Pearl River in China. It is distinguished from all other genera and species of Labeonini by the unique combination of modified oromandibular structures and head skeleton: a well-developed, pendulous, and conspicuously arched rostral fold, with an entirely crenulated margin; prominent papillae densely covering the margin of the rostral fold and anterior part of the lower lip; long postlabial grooves, partitioning the lowe  ...[more]

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