Thecopterus Smith [H. M.] 1904:163 Masc. Thecopterus aleuticus Smith 1904. Type by monotypy. Misspelled Theocopterus in Zoological Record for 1904. •Presumed valid as Thecopterus Smith 1904 -- (Nelson 1982:1499 [ref. 5470]). •Valid as Thecopterus Smith 1904 in Cottidae -- (Washington et al. 1984:443 [ref. 13660]). •Synonym of Malacocottus Bean 1890 -- (Parin et al. 2002:S94 [ref. 28300], Parin et al. 2014:301 [ref. 33547]). Current status: Synonym of Malacocottus Bean 1890. Psychrolutidae: Psychrolutinae.