Bayonia Boulenger [G. A.] 1911:70 Fem. Bayonia xenodonta Boulenger 1911. Type by monotypy. Objectively invalid; preoccupied by Bayonia Bocage 1865 in mammals; apparently not replaced. •Synonym of Macropleurodus Regan 1922 -- (Greenwood 1956:299 [ref. 1894], van Oijen 1991:250 [ref. 20959]). •Synonym of Haplochromis Hilgendorf 1888 -- (based on current status of Macropleurodus Regan 1922). 1°Homonym. Current status: Synonym of Haplochromis Hilgendorf 1888. Cichlidae: Pseudocrenilabrinae.