Hexatrematobatis Chu [Y.-T.] & Meng [Q.-W.] in Chu et al. 1981:111 Fem. Hexatrematobatis longirostrum Chu & Meng 1981. Type by original designation (also monotypic). Misspelled once as Hexatrematibatis (p. 116). •Synonym of Hexatrygon Heemstra & Smith 1980 -- (Smith & Heemstra 1986:142 [ref. 5714], Babu et al. 2011:137 [ref. 31420]). Current status: Synonym of Hexatrygon Heemstra & Smith 1980. Hexatrygonidae.