54121 Amblyraja frerichsi (Krefft, 1968) Rajidae Skates Rajiformes Elasmobranchii Thickbody skate Southwest Atlantic: off the mouth of Río de la Plata, Argentina (Ref. 26282, Ref. 114953) and Uruguay (Ref. 58839, Ref. 114953). Possibly Southeast Pacific: Chile (Ref. 27540, Ref. 114953). FB 2737316 Raja frerichsi 1000 m