altirostris, Syngnathus Ogilby [J. D.] 1890:55 [Records of the Australian Museum v. 1 (no. 3); ref. 18492] Moreton Bay, Queensland, Australia. Lectotype: AMS I.385. Paralectotypes: AMS B.7063 (1). Lectotype selected by Whitley 1943:177 [ref. 4703]. •Synonym of Parasyngnathus penicillus (Cantor 1849) -- (Dawson 1984:76 [ref. 21119]). •Synonym of Hippichthys penicillus (Cantor 1849) -- (Dawson 1985:100 [ref. 6541], Paxton et al. 1989:420 [ref. 12442], Paxton et al. 2006:824 [ref. 29073], Kuiter 2009:278 [ref. 30404], Kottelat 2013:304 [ref. 32989]). Current status: Synonym of Hippichthys penicillus (Cantor 1849). Syngnathidae: Syngnathinae. Habitat: freshwater, brackish, marine.