mccoskeri, Eptatretus McMillan [C. B.] 1999:115, Figs. 2d-g [Fishery Bulletin v. 97 (no. 1); ref. 23612] Galápagos Islands, 1°06.3'S, 89°06.9'W, depth 704 feet [215 meters]. Holotype: CAS 86431. Paratypes: SIO 97-75 (2), USNM 344905 (1). •Valid as Eptatretus mccoskeri McMillan 1999 -- (Mok et al. 2001:1026 [ref. 25820], Mincarone & McCosker 2004:164 [ref. 27642], Mincarone & Fernholm 2010:797 [ref. 30926], McCosker & Rosenblatt 2010:187 [ref. 30957], Knapp et al. 2011:404 [ref. 37507], Mincarone & McCosker 2014:348 [ref. 33284], Angulo & Del Moral-Flores 2016:105 [ref. 34472], Mincarone et al. 2021:10 [ref. 38120], Grove et al. 2022:15 [ref. 41326]). Current status: Valid as Eptatretus mccoskeri McMillan 1999. Myxinidae: Eptatretinae. Distribution: Eastern Pacific: Galápagos Islands (Ecuador) endemic. Habitat: marine.