Prolixicheilus

{{Short description|Genus of fishes}}

{{Speciesbox

| taxon = Prolixicheilus longisulcus

| parent_authority = L. P. Zheng, X. Y. Chen & J. X. Yang, 2016 Zheng, L.-P., Chen, X.-Y. & Yang, J.-X. (2016): Molecular systematics of the Labeonini inhabiting the karst regions in southwest China (Teleostei, Cypriniformes). ZooKeys, 612: 133–148.

| display_parents = 3

| authority = (L. P. Zheng, X. Y. Chen & J. X. Yang, 2009)

| synonyms =

Pseudogyrinocheilus longisulcus L. P. Zheng, X. Y. Chen & J. X. Yang, 2009

| synonyms_ref = {{Cof genus|genus=Prolixicheilus|access-date=28 December 2024}}

}}

Prolixicheilus is a monospecific genus of freshwater ray-finned fish belonging ti the family Cyprinidae, the family which includes the carps, barbs, minnows and related fishes. The only species in the genus is Prolixicheilus longisulcus which is found in streams belonging to the Zuojiang River, a tributary of Pearl River in China.