annulatus, Rhinobatus (Syrrhina) Smith [A.] in Müller & Henle 1841:116 [Systematische Beschreibung der Plagiostomen; ref. 3069] Cape of Good Hope, South Africa. Syntypes: (2) BMNH 1843.2.29.22 (1, stuffed), MNHN A-8586 (1). •Valid as Rhinobatos annulatus Smith 1841 -- (Compagno 1986:129 [ref. 5648], Compagno et al. 1991:88 [ref. 21083], Bianchi & Carpenter in Bianchi et al. 1993:90 [ref. 25472], Compagno 1999:485 [ref. 25589], Heemstra & Heemstra 2004:78 [ref. 28072], Ali et al. 2018:303 [ref. 36183] as Rhinobatus a.). •Valid as Acroteriobatus annulatus (Smith 1841) -- (Weigmann 2016:83 [ref. 34211], Last et al. 2016:465 [ref. 34473], Last et al. 2016:283 [ref. 34741], Séret et al. 2016:79 [ref. 34993], Almeida & Biscoito 2019:124 [ref. 37302], Ebert et al. 2021:74 [ref. 38234], Weigmann et al. 2021:26 [ref. 38392], Séret & Carvalho 2022:566 [ref. 39672]). Current status: Valid as Acroteriobatus annulatus (Smith 1841). Rhinobatidae. Distribution: Southeastern Atlantic, southwestern Indian Ocean: Angola south to Cape of Good Hope (South Africa), then north to KwaZulu-Natal (South Africa) and southern Mozambique. Habitat: brackish, marine.