circifrons, Myxine Garman [S.] 1899:344, Pl. 68 (figs. 1-4) [Memoirs of the Museum of Comparative Zoology v. 24; ref. 1540] Gulf of Panama, eastern Pacific, 7°30'36"N, 78°39'W, Albatross station 3395, depth 730 fathoms. Syntypes: MCZ 28419 (2), 91374 (1). •Valid as Myxine circifrons Garman 1899 -- (Hensley 1991:1042 [ref. 20042], Wisner & McMillan 1995:533 [ref. 21653], Pequeño 1997:78 [ref. 23536], Fernholm 1998:35 [ref. 23976], Chirichigno F. & Vélez D. 1998:28 [ref. 24555], McMillan 1999:110 [ref. 23612], Mok 1999:61 [ref. 24095], Mincarone 2001:483 [ref. 25369], Mok & Kuo 2001:295 [ref. 25547], Love et al. 2005:1 [ref. 37547], Møller et al. 2005:379 [ref. 28233], Kuo et al. 2010:856 [ref. 31001], Knapp et al. 2011:405 [ref. 37507], Angulo & Del Moral-Flores 2016:110 [ref. 34472], Love et al. 2021:11 [ref. 39279], Page et al. 2023:35 [ref. 40505]). Current status: Valid as Myxine circifrons Garman 1899. Myxinidae: Myxininae. Distribution: Eastern Pacific: San Francisco (California, U.S.A.) south to Chile. Habitat: marine.