batillum, Rhinobatos Whitley [G. P.] 1939:245, Fig. 13 [Australian Zoologist v. 9 (pt 3); ref. 4695] Shark Bay, Western Australia. Holotype (unique): Whitley coll. (whereabouts unknown). •Valid as Rhinobatos batillum Whitley 1939 -- (Paxton et al. 1989:53 [ref. 12442], Randall et al. 1990:28 [ref. 15987], Randall et al. 1997:28 [ref. 25919]). •Synonym of Rhinobatos typus (Anonymous [Bennett] 1830) -- (Last & Stevens 1994:291 [ref. 23873], Paxton et al. 2006:178 [ref. 28994]). •Synonym of Glaucostegus typus (Anonymous [Bennett] 1830) -- (Compagno et al. 2005:61 [ref. 29145], Kottelat 2013:24 [ref. 32989]). Current status: Synonym of Glaucostegus typus (Anonymous [Bennett] 1830). Glaucostegidae. Habitat: freshwater, brackish, marine.