rex, Leptocephalus Eigenmann [C. H.] & Kennedy [C. H.] 1902:86, Figs. 3, 3a-b [Bulletin of the U. S. Fish Commission v. 21 (1901); ref. 11071] New Providence Island, Bahamas, western Atlantic. Holotype (unique): USNM 49764. Non-types: USNM 49765 (1). Type catalog: Smith 1994:9 [ref. 21917]. Specimen from San Salvador not definitely referred to species ("may represent a later phase of the species called amphioxus") so remaining specimen is holotype. •Synonym of Ariosoma balearicum (Delaroche 1809) -- (Smith 1989:496 [ref. 13285], Smith 1989:726 [ref. 13285], Smith 1990:157 [ref. 13454]). Current status: Synonym of Ariosoma balearicum (Delaroche 1809). Congridae: Bathymyrinae. Habitat: marine.