Penopus Goode [G. B.] & Bean [T. H.] 1896:335 Masc. Penopus macdonaldi Goode & Bean 1896. Type by monotypy. •Valid as Penopus Goode & Bean 1896 -- (Cohen & Nielsen 1978:37 [ref. 881], Carter & Sulak 1984:359 [ref. 8244], Nielsen & Cohen 1986:350 [ref. 5700], Séret 1988 [ref. 12835], Nielsen & Cohen in Nielsen et al. 1999:49, 83 [ref. 24448], Nielsen & Robins 2003:969 [ref. 27008], Mincarone et al. 2008:54 [ref. 29626], Nielsen & Ohashi 2011:232 [ref. 31451], Carnevale & Johnson 2015:778 [ref. 34391]). Current status: Valid as Penopus Goode & Bean 1896. Ophidiidae: Neobythitinae.