rutrum, Psammobatis Jordan [D. S.] 1891:334 [Proceedings of the United States National Museum v. 13 (no. 829); ref. 2391] Near Cape San Matios, 42°24'S, 61°38'30"W, eastern Patagonia, Argentina, Albatross station 2678, depth 43 fathoms. Holotype (unique): USNM 43431. •Valid as Psammobatis rutrum Jordan 1891 -- (McEachran 1983:58 [ref. 5382], McEachran & Dunn 1998:286 [ref. 23312], Compagno 1999:489 [ref. 25589], Cousseau et al. 2000:30 [ref. 40447], Menni & Stehmann 2000:87 [ref. 24909], Weigmann 2016:100 [ref. 34211], Last et al. 2016:24 [ref. 34941], Last et al. 2016:461 [ref. 35005], Nión et al. 2016:23 [ref. 35565], Carvalho-Filho 2023:316 [ref. 40480]). Current status: Valid as Psammobatis rutrum Jordan 1891. Arhynchobatidae. Distribution: Southwestern Atlantic: Rio de Janeiro (Brazil) south to northern Argentina. Habitat: marine.