septentrionalis, Monacanthus Günther [A.] 1874:158 [Annals and Magazine of Natural History (Series 4) v. 13 (no. 74) (art. 23); ref. 14189] Chefoo, Shantung Province, China. Syntypes: BMNH 1874.1.16.52-53 (3). •Valid as Navodon septentrionalis (Günther 1874) -- (Cheng & Zhou 1997:471 [ref. 26385]). •Valid as Thamnaconus septentrionalis (Günther 1874) -- (Matsuura in Masuda et al. 1984:361 [ref. 6441], Lindberg et al. 1997:90 [ref. 23547], Hutchins in Randall & Lim 2000:648 [ref. 25122], Matsuura 2014:13 [ref. 33576]). Current status: Valid as Thamnaconus septentrionalis (Günther 1874). Monacanthidae. Distribution: Indo-Pacific. Habitat: marine.