breviceps, Hippocampus Peters [W. (C. H.)] 1869:710 [Monatsberichte der Königlichen Preussischen Akademie der Wissenschaften zu Berlin 1869; ref. 14098] Adelaide, South Australia. Holotype (unique): ZMB 7082 (missing in 2001). •Valid as Hippocampus breviceps Peters 1869 -- (Paxton et al. 1989:421 [ref. 12442], Kuiter 1993:97 [ref. 23929], Gomon et al. 1994:448 [ref. 22532], Gomon 1997:250 [ref. 22842], Kuiter 1997:72 [ref. 25488], Lourie et al. 1999:75 [ref. 23993], Hutchins 2001:27 [ref. 25847], Kuiter 2001:312 [ref. 25900], Paxton et al. 2006:826 [ref. 29073], Kuiter 2008:455 [ref. 30642], Kuiter 2009:46 [ref. 30404], Lourie 2016:86 [ref. 34505], Lourie et al. 2016:18 [ref. 34632], Hamilton et al. 2016:Supplement 2 [ref. 35615], Short et al. 2019:121 [ref. 36532]). Current status: Valid as Hippocampus breviceps Peters 1869. Syngnathidae: Syngnathinae. Distribution: Southern Australia. Habitat: brackish, marine.