Hypsagonus Gill [T. N.] 1861:167 Masc. Aspidophorus quadricornis Valenciennes 1829. Type by original designation (also monotypic). •Valid as Hypsagonus Gill 1861 -- (Washington et al. 1984:442 [ref. 13660], Kanayama in Masuda et al. 1984:331 [ref. 6441], Yabe 1985:123 [ref. 11522], Lindberg & Krasyukova 1987:295 [ref. 15964], Maeda & Amaoka 1988:60 [ref. 12616], Kanayama 1991:12 [ref. 19261], Sheiko 1993:74 [ref. 21227], Mecklenburg et al. 2002:526 [ref. 25968], Parin et al. 2002:S97 [ref. 28300], Sheiko & Mecklenburg 2004:3 [ref. 27591], Mecklenburg et al. 2011:125 [ref. 31212], Shinohara et al. 2011:45 [ref. 31715], Parin et al. 2014:288 [ref. 33547], Pietsch & Orr 2015:49 [ref. 34694], Mecklenburg et al. 2016:108 [ref. 34440]). Current status: Valid as Hypsagonus Gill 1861. Agonidae: Hypsagoninae.