Plecodus Boulenger [G. A.] 1898:497 Masc. Plecodus paradoxus Boulenger 1898. Type by monotypy. Appeared first as above, then in more detail in Boulenger 1898:22 [ref. 547]. •Valid as Plecodus Boulenger 1898 -- (Poll 1986:150 [ref. 6136], Maréchal & Poll 1991:383 [ref. 20946], Poll & Gosse 1995:249 [ref. 24781], Takahashi 2003:378 [ref. 27540]). •Synonym of Perissodus Boulenger 1898 -- (Liem & Stewart 1976:336 [ref. 7096], Konings 2015:17 [ref. 34660]). Current status: Synonym of Perissodus Boulenger 1898. Cichlidae: Pseudocrenilabrinae.