mamillidens, Raja Alcock [A. W.] 1889:380 [6] [Annals and Magazine of Natural History (Series 6) v. 4 (no. 23); ref. 81] Gulf of Manaar, 6°29'N, 79°34'E, Sri Lanka, depth 597 fathoms. Holotype (unique): ZSI 11769 (hereabouts unknown). On p. 6 of separate. Figured in Alcock 1894: Pl. 8 (fig. 1) [ref. 17304]. •Valid as Raja mamillidens Alcock 1889 -- (Stehmann 1976:146 [ref. 7085]). •Valid as Fenestraja mamillidens (Alcock 1889) -- (McEachran & Dunn 1998:286 [ref. 23312], Compagno 1999:491 [ref. 25589], Weigmann 2016:111 [ref. 34211], Last et al. 2016:29 [ref. 34941], Weigmann et al. 2016:487 [ref. 35006]). Current status: Valid as Fenestraja mamillidens (Alcock 1889). Gurgesiellidae. Distribution: Northern Indian Ocean: Sri Lanka. Habitat: marine.