breviceps, Ophisurus Richardson [J.] 1848:99 [Ichthyology of the voyage of H. M. S. Erebus & Terror v. 2 (2); ref. 3740] Unknown locality. Holotype (unique): BMNH 2015.1.8.1[ex Royal Coll. Surgeons]. •Valid as Myrichthys breviceps (Richardson 1848) -- (McCosker et al. 1989:374 [ref. 13288], Leiby in Smith 1989:827 [ref. 13285], Paulin et al. 1989:73 [ref. 24556], McCosker & Rosenblatt 1993:156 [ref. 21180], McEachran & Fechhelm 1998:271 [ref. 23897], Smith-Vaniz et al. 1999:139 [ref. 25013], Schmitter-Soto et al. 2000:149 [ref. 27754], Gasparini & Floeter 2001:1643 [ref. 25634], McCosker 2003:732 [ref. 26993], Menezes in Menezes et al. 2003:35 [ref. 27192], Smith et al. 2003:7 [ref. 27621], Nelson et al. 2004:63 [ref. 27807], McCosker & Allen 2012:39 [ref. 31763], Page et al. 2013:63 [ref. 32708], Smith-Vaniz & Jelks 2014:25 [ref. 33341], Pinheiro et al. 2015:6 [ref. 34324], Spier et al. 2018:6 [ref. 36103], Robertson et al. 2020:159 [ref. 38098], Bennema & van Moorsel 2022:74 [ref. 39585], Carvalho-Filho 2023:59 [ref. 40480], Hoff et al. 2023:7 [ref. 40463], Page et al. 2023:54 [ref. 40505], Fricke et al. 2024:123 [ref. 41622]). Current status: Valid as Myrichthys breviceps (Richardson 1848). Ophichthidae: Ophichthinae. Distribution: Western Atlantic: Bermuda and Florida (U.S.A.) south to Santa Catarina (Brazil), including Gulf of Mexico and Caribbean Sea. IUCN (2015): Least Concern. Habitat: marine.