marquesensis, Halicampus Dawson [C. E.] 1984:4, Figs. 2-3 [The J.L.B Smith Institute of Ichthyology Special Publication No. 34; ref. 8232] Southern end of Vaitahu Bay, Tahuata, Marquesas Islands, depth 115 feet. Holotype: BPBM 11936. Paratypes: BPBM 10857 (1), CAS 13977 (1), GCRL 20902 (1). •Valid as Halicampus marquesensis Dawson 1984 -- (Dawson 1985:88 [ref. 6541], Paulus 1999:2270 [ref. 24794], Randall & Earle 2000:10 [ref. 25806], Randall 2005:108 [ref. 28239], Delrieu-Trottin et al. 2015:5 [ref. 33988], Hamilton et al. 2016:Supplement 1 [ref. 35615]). Current status: Valid as Halicampus marquesensis Dawson 1984. Syngnathidae: Syngnathinae. Distribution: Marquesas Islands. Habitat: marine.