crinitus, Syngnathus Jenyns [L.] 1842:148, Pl. 27 (fig. 5) [The zoology of the voyage of H. M. S. Beagle; ref. 2344] Brazil. Holotype (unique): BMNH 1917.7.14.29. •Valid as Syngnathus crinitus Jenyns 1842 -- (Goren & Dor 1994:20 [ref. 25356]). •Valid as Micrognathus crinitus (Jenyns 1842) -- (Dawson 1978:14 [ref. 8939] with locality notes, Dawson 1982:26 [ref. 6764], Robins & Ray 1986:128 [ref. 23100], Smith-Vaniz et al. 1999:191 [ref. 25013], Schmitter-Soto et al. 2000:155 [ref. 27754], Collette et al. 2003:104 [ref. 26784], Fritzsche & Vincent 2003:1222 [ref. 27044], Menezes & Moura in Menezes et al. 2003:71 [ref. 27192], Hamilton et al. 2016:Supplement 2 [ref. 35615], Spier et al. 2018:9 [ref. 36103]). •Valid as Halicampus crinitus (Jenyns 1842) -- (Guimarães 1999:7 [ref. 24280], Smith et al. 2003:19 [ref. 27621] as crinitis, Nelson et al. 2004:111 [ref. 27807], Kuiter 2009:263 [ref. 30404], Page et al. 2013:114 [ref. 32708], Smith-Vaniz & Jelks 2014:35 [ref. 33341], Robertson et al. 2020:163 [ref. 38098], Escobar-Sierra et al. 2021:75 [ref. 38844], Carvalho-Filho 2023:102 [ref. 40480], Koerber 2023:44 [ref. 40486], Page et al. 2023:118 [ref. 40505]). Current status: Valid as Halicampus crinitus (Jenyns 1842). Syngnathidae: Syngnathinae. Distribution: Western Atlantic: Bermuda and Florida (U.S.A.) south to Santa Catarina (Brazil), including Caribbean Sea. Records from Argentina are erroneous (Koerber 2023:44 [ref. 40486]). Habitat: marine.