parfaiti, Alexeterion Vaillant [L. L.] 1888:283, Pl. 25 (figs. 2-2b) [Expéditions scientifiques du "Travailleur" et du "Talisman"; ref. 4496] Northeastern Atlantic between Azores and France, depth 5005 meters [44°29'N, 13°32'W]. Holotype (unique): MNHN 1886-0554. •Valid as Barathronus parfaiti (Vaillant 1888) -- (Nielsen 1969:53 [ref. 3195], Nielsen 1973:555 [ref. 6885], Cohen & Nielsen 1978:62 [ref. 881], Nielsen in Whitehead et al. 1986:1169 [ref. 13677], Santos et al. 1997:53 [ref. 23531], Arruda 1997:110 [ref. 24952], Nielsen & Cohen in Nielsen et al. 1999:139 [ref. 24448], Nielsen et al. 2015:59 [ref. 33736], Møller et al. 2016:Appendix A [ref. 34432] in Bythitidae, Nielsen 2016:1956 [ref. 34583], Vieira et al. 2016:[6] [ref. 34869] as cf. parfaiti, Carneiro et al. 2019:160 [ref. 37250], Nielsen 2019:252 [ref. 36994]). Current status: Valid as Barathronus parfaiti (Vaillant 1888). Bythitidae. Distribution: Northeastern Atlantic: between France and the Azores. Habitat: marine.