Marginella warreni Marrat, 1876, [Basis of the current name] Range: 46°S to 55.73°S; 66.24°W to 56.97°W Depth: 118 to 382 m (live 430 to 382 m) Maximum Reported Size: 20 mm Distribution: Tierra del Fuego, Chile References: Powell (1951) DdNE; Rios & Leal (1993) c; Linse (2002) DLlSW
Marginella hahni Mabille, 1884, [Synonym] Range: 52°S to 53°S; 64°W Depth: 120 m Maximum Reported Size: 19 mm Distribution: Argentina References: Rochebrune & Mabille (1889) DdNSEWM; Wagner & Abbott (1978) s; F. Boyer (2000) s
Marginella patagonica Martens, 1881, [Synonym] Range: 37.58°S to 54.83°S; 65.52°W to 54°W Depth: 90 to 135 m Maximum Reported Size: 12 mm Distribution: Argentina: Buenos Aires, Chubut, Santa Cruz; Tierra del Fuego References: Castellanos (1970a) NSE{W}; Castellanos (1982a) DW; Rios & Leal (1993) s