Phtheirichthys Gill [T. N.] 1862:239 Masc. Echeneis lineata Menzies 1791. Type by original designation (also monotypic). Type designated by Gill's style of type enclosed in parentheses in key. •Valid as Phtheirichthys Gill 1862 -- (Lachner 1973:637 [ref. 7221], Okamura in Masuda et al. 1984:222 [ref. 6441], Lachner in Whitehead et al. 1986:1330 [ref. 13677], Heemstra 1986:662 [ref. 5660], Paxton et al. 1989:571 [ref. 12442], Lindberg et al. 1997:19 [ref. 23547], Collette 1999:2653 [ref. 24785], O'Toole 2002:616 [ref. 26411], Collette 2003:1415 [ref. 27087], Paxton et al. 2006:1136 [ref. 28994], Gray et al. 2009:184 [ref. 31117], Trnski 2015:1239 [ref. 34198], Parenti 2021:568 [ref. 38651]). Current status: Valid as Phtheirichthys Gill 1862. Echeneidae.