Nomenclatural status of the fish names created by J. C. van Hasselt (1823) and of some cobitoid genera

The nomenclatural status of the 16 genera and 42 species of fishes described by van Hasselt is reviewed. One genus is preoccupied and 4 genera and 26 species are nomina nuda. The status of some cobitoid generic names is reviewed with greater details:Noemacheilus van Hasselt is a nomen nudum;Acantophthalmus van Hasselt is a junior synonym ofCobitis Linnaeus andAcanthophthalmus Bleeker is an incorrect spelling; the fishes usually calledAcanthophthalmus arePangio Blyth;Acanthopsis Bleeker is an incorrect spelling ofAcantopsis van Hasselt;Acanthopsis Agassiz is valid and its type species isA. angustus Agassiz.