| re-description of the gudgeon species saurogobio gracilicaudatus yao & yang in luo, yue & chen, 1977 (teleostei: cyprinidae) from the chang-jiang basin, south china, with a note on its generic classification. | saurogobio gracilicaudatus, originally described from the middle yangtze river (chang-jiang in chinese) basin at yichang and guanghua (now laohekou), hubei province, south china, is here re-described, with particular concern for oromandibular structures in the mouth. it is uniquely distinguishable from all other species of saurogobio in having a rostral cap with a slightly crenulated median portion, lips covered with brush-like, conical papillae, and a lower lip with a small, smooth and protrude ... | 2014 | 25112340 |