mercatoris, Arius Poll [M.] 1949:201, Fig. 8 [Mémoires, Institut Royal des Sciences Naturelles de Belgique 2.Séries, No. 33; ref. 13028] Atlantic, 12°34'N, 17°09'W, depth 8-10 fathoms. Holotype (unique): IRSNB 89. Type catalog: Walschaerts 1987:14 [ref. 20755], Derijst 1991:25 [ref. 21528], Ferraris 2007:31 [ref. 29155]. •Synonym of Arius heudelotii Valenciennes 1840 -- (Taylor 1986:155 [ref. 6195], Taylor 1990:231 [ref. 14194], Daget in Lévêque et al. 1992:567 [ref. 21590]). •Incerate sedis in Arriidae as synonym of heudelotii Valencieines 1840 -- (Ferraris 2007:31 [ref. 29155]). •Synonym of Carlarius heudelotii (Valenciennes 1840) -- (Marceniuk & Menezes 2007:37 [ref. 29031], Acero P. & Betancur-R. 2016:1746 [ref. 34564]). Current status: Synonym of Carlarius heudelotii (Valenciennes 1840). Ariidae: Ariinae. Habitat: marine.