An annotated checklist of the chondrichthyans of South Africa Author Ebert, David A. Author Wintner, Sabine P. 0000-0001-7350-5999 Author Kyne, Peter M. 0000-0003-4494-2625 debert@mlml.calstate.edu text Zootaxa 2021 2021-03-17 4947 1 1 127 journal article 7365 10.11646/zootaxa.4947.1.1 74dc998a-dc7a-4b02-b43c-a2064c9c6dc2 1175-5326 4614567 7F3B4794-65CF-4691-A330-78A423F2606F Rajella ravidula ( Hulley, 1970 ) Smoothback Skate Raja ravidula Hulley, 1970: 196 , figs. a–b, pl. 9. Holotype : ZMH 25261 [ex ISH 50-1967 ]. Type locality: West of Cape Town , South Africa , 33°49'S , 17°13'E . Local synonymy : Raja ravidula : Hulley, 1970: 196 , figs. a–b, pl. 9; Hulley, 1972a: 86 , figs. 58–59; Hulley, 1986: 124 , fig. 25.17; Stehmann, 1995: 93 . Raja ( Rajella ) ravidula : Compagno et al ., 1989: 100 , pl.; Compagno et al ., 1991: 107 ; Ebert et al ., 1991: 79 . Rajella ravidula : Compagno, 1999: 117 ; Compagno & Ebert, 2007: 137 , fig. 5d; Ebert & Compagno, 2007: 121 ; Ebert et al ., 2008: 96 ; NPOA, 2013: 55 ; Ebert, 2014: 75 , fig. 117; Weigmann et al ., 2014a: 384 ; da Silva et al ., 2015: 247 ; Ebert, 2015: 185 , fig. 209; Ebert & van Hees, 2015: 147 ; Last et al ., 2016f: 19 ; Last et al ., 2016g : 349 , fig. 19.122; McEachran & Séret, 2016: 1403 ; Weigmann, 2016: 959 . South Africa voucher material : Ebert et al . (2008) examined 19 uncatalogued specimens in the SAM collection. South African distribution : The Orange River (NC) to southwest of Cape Point (WC). Remarks : A very poorly known skate from the upper continental slopes off the west coast of South Africa . Conservation status : LC (2019). Genus Rostroraja Hulley, 1972 Spearnose Skates Rostroraja (subgenus of Raja ) Hulley, 1972: 77 . Type species: Raja alba Lacepède 1803 , type by original designation.