oregoni, Synaphobranchus Castle [P. H. J.] 1960:388, Fig. 66 [Fieldiana Zoology v. 39 (no. 35); ref. 11902] Gulf of Mexico off Alabama, U.S.A., 29°01'N, 88°24'W, Oregon station 640, depth 355-475 fathoms. Holotype: USNM 185605 (largely deossified). Paratypes: FMNH 47911 (6, orig. 8), NMNZ P.4514 [ex FMNH] (2). Type catalog: Hardy 1990:7 [ref. 18942], Ibarra & Stewart 1987:82 [ref. 12367], Smith 1994:38 [ref. 21917]. •Valid as Synaphobranchus oregoni Castle 1960 -- (Sakamoto in Amaoka et al. 1983:67, 174, 231, 315 [ref. 8379], Golovan et al. 1989:77 [ref. 14113], Robins & Robins 1989:225 [ref. 13287], Shcherbachev et al. 1989:165, 166 [ref. 36134], Sulak & Shcherbachev 1997:1171 [ref. 22986], McEachran & Fechhelm 1998:250 [ref. 23897], Pakhorukov 2001:377 [ref. 25409], Smith 2003:723 [ref. 26989], Karmovskaya 2003:438 [ref. 27168], Melo 2007:315 [ref. 29141], Smith 2008:166 [ref. 30621], Melo et al. 2009:14 [ref. 30460], Costa & Mincarone 2010:353 [ref. 37483], Fricke et al. 2011:351 [ref. 31242], Fricke et al. 2014:21 [ref. 33932], Smith 2016:1653 [ref. 34556], Ho et al. 2018:76 [ref. 36038], Page et al. 2023:51 [ref. 40505]). Current status: Valid as Synaphobranchus oregoni Castle 1960. Synaphobranchidae: Synaphobranchinae. Distribution: Circumglobal in temperate and tropical seas. Habitat: marine.