longirostris, Hippocampus Schinz [H. R.] (ex Willughby) 1822:262 [Das Thierreich v. 2; ref. 3926] Mediterranean Sea. No types known. Original spelling as Hyppocampus longirostris; appeared in footnote. Based on Hippocampus non aculeatus incisuris raris of Willughby 1686:Pl. I.25, fig. 4 [ref. 30164]. •Synonym of Hippocampus ramulosus Leach 1814, but a valid subspecies -- (Daget 1968:1057, 1059 [ref. 26392]). •Synonym of Hippocampus ramulosus Leach 1814 -- (Wheeler 1973:279 [ref. 7190], Kuiter 2009:18 [ref. 30404]). •Synonym of Hippocampus guttulatus Cuvier 1829 -- (Lourie et al. 2016:26 [ref. 34632]). Current status: Synonym of Hippocampus guttulatus Cuvier 1829. Syngnathidae: Syngnathinae. Habitat: brackish, marine.