regulus, Hippocampus Ginsburg [I.] 1933:563 [Journal of the Washington Academy of Sciences v. 23 (no. 12); ref. 16490] Harbor Island, Texas, U.S.A. Holotype: USNM 92950. Paratypes: (several). •Valid as Hippocampus regulus Ginsburg 1933 -- (Castro-Aguirre et al. 1999:236 [ref. 24550]). •Synonym of Hippocampus zosterae Jordan & Gilbert 1882 -- (Lourie et al. 1999:131 [ref. 23993], Kuiter 2009:19 [ref. 30404], Lourie et al. 2016:45 [ref. 34632]). Current status: Synonym of Hippocampus zosterae Jordan & Gilbert 1882. Syngnathidae: Syngnathinae. Habitat: marine.