Cancelloxus is a genus of clinids found in the southeastern Atlantic ocean.
Species There are currently three recognized species in this genus: Cancelloxus burrelli J. L. B. Smith, 1961 (Slender platanna-klipfish) Cancelloxus elongatus Heemstra & J. E. Wright, 1986 (Whiteblotched klipfish) Cancelloxus longior Prochazka & Griffiths, 1991
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