Canthyrynchus Swainson [W.] 1839:181, 272 Masc. Cottus monopterygius Bloch 1786. Type by monotypy. Spelled Canthyrynchus on p. 181 and 438 (index); spelled Canthirynchus on p. 272. First reviser is Sheiko 1993:71 [ref. 21227] selecting Canthyrynchus. Canthirhyncus is also an incorrect subsequent spelling or misspelling (see Sheiko 1993:71 [ref. 2127]). •Objective synonym of Aspidophoroides Lacepède 1801 -- (Kanayama 1991:88 [ref. 19261], Sheiko 1993:71 [ref. 21227], Sheiko & Mecklenburg 2004:7 [ref. 27591]). Current status: Synonym of Aspidophoroides Lacepède 1801. Agonidae: Anoplagoninae.