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 Deania profundorum (Smith & Radcliffe, 1912) Arrowhead Dogfish Nasisqualus profundorum Smith & Radcliffe in Smith 1912: 681 , pl. 53, fig. 3. Type locality: between Leyte and Mindanao Islands , Philippines . Local synonymy : Acanthidium natalense : Gilchrist, 1922: 49 , fig. 2, pl. 7 (off Illovo River, KwaZulu-Natal , South Africa ); Barnard, 1925: 51 , fig. 1, pl. 3; Smith, 1937: 170 (of uncertain validity). Deania eglantina : Smith, 1949a: 58 , fig. 49 (in part = D. quadrispinosa ); Smith, 1965: 58 , fig. 49. Deania natalensis : Penrith, 1969: 62 . Deania profundorum : Bass et al. , 1976 : fig. 30; Compagno, 1984a: 67 , fig.; Bass et al ., 1986: 54 , fig. 5.9; Compagno et al ., 1989: 26 , pl.; Compagno et al ., 1991: 59 ; Ebert et al ., 1992: 604 ; Compagno, 1999: 114 ; Compagno et al ., 2005 : 89 , pl. 5; Ebert, 2013: 75 , fig. 92; Ebert et al ., 2013 a: 109, fig., pl. 7; Ebert & Mostarda, 2013: 28 , fig.; Ebert, 2015: 66 , fig. 70; Ebert & Mostarda, 2015: 22 , fig.; Ebert & van Hees, 2015: 144 ; Compagno, 2016: 1175 ; Weigmann, 2016: 891 . Deania natalense : Bigelow & Schroeder, 1948b: 106 (Natal, South Africa ). South Africa voucher material : Acanthidium natalense : Syntypes : SAIAB [former RUSI ] 2 ( 2 specimens ). Deania profundorum [non-types]: SAIAB 26274 , SAIAB 26275 , SAIAB 26276 , SAIAB 26277 , SAIAB 26308 , SAIAB 26335 , SAIAB 26336 , SAIAB 26436 . South Africa distribution : Off the west coast (NC) and east coast (KZN). This species likely occurs off the entire South African coast along the upper continental slope. Remarks : The most common Deania species after D. calceus ; both species are frequently caught mixed in large aggregations during research survey cruises. Conservation status : NT (2020).