Perotrochus atlanticus Rios & Matthews, 1968, [Basis of the current name] Range: 22°S to 31.83°S; 51°W to 41°W Depth: 130 to 300 m (live 150 to 300 m) Maximum Reported Size: 88 mm Distribution: Brazil: Rio de Janeiro, Sao Paulo, Santa Catarina, Rio Grande do Sul References: Rios (1975b) {DL}; Lozet & Pétron (1977) {M}; Harasewych & Askew (1993); Anseeuw & Goto (1996) NWM; Anseeuw, Goto & Abdi (2005) DdLl Combining Genera: Mikadotrochus Pleurotomaria
Mikadotrochus notialis Leme & Penna, 1969, [Synonym] Range: 32°S to 32°S; 51°W Depth: 150 m Maximum Reported Size: 74 mm Distribution: Brazil: Rio Grande do Sul References: Anseeuw & Goto (1996) s Combining Genera: Pleurotomaria
