acanthorhynchus, Callionymus Forster [J. R.] in Bloch & Schneider 1801:41 [M. E. Blochii, Systema Ichthyologiae; ref. 471] Not available, manuscript name mentioned under account of Callionymus monopterygius. Spelled acanthorhynchos in Valenciennes 1837:311. Based on description in manuscript by Forster (Johann Reinhold Forster, 1729-1798, German explorer and naturalist of Cook's second voyage). •In the synonymy of Hemerocoetes monopterygius (Schneider 1801) -- (Nelson 1979:589 [ref. 6951], Fricke 2002:72 [ref. 26547]). Nomen Nudum. Current status: Synonym of Hemerocoetes monopterygius (Schneider 1801). Hemerocoetidae.