brachysomus, Synaphobranchus Gilbert [C. H.] 1905:583, Fig. 232 [Bulletin of the U. S. Fish Commission v. 23 (pt 2) [for 1903]; ref. 1631] Vicinity of Kauai Island, Hawaiian Islands, Albatross station 4019, depth 409-550 fathoms. Holotype: USNM 51591. Paratypes: CAS-SU 8555 (1), 8640 (2); USNM 51696 (2). Type catalog: Böhlke 1953:51 [ref. 12291], Smith 1994:38 [ref. 21917]. •Synonym of Synaphobranchus affinis Günther 1877 -- (Robins & Robins 1989:223 [ref. 13287], Smith 1990:197 [ref. 13616], Mecklenburg et al. 2002:122 [ref. 25968], Mundy 2005:130 [ref. 28379]). Current status: Synonym of Synaphobranchus affinis Günther 1877. Synaphobranchidae: Synaphobranchinae. Habitat: marine.