Genus Paralastor de Saussure
Paralastor de Saussure 1856: 328, division of subgenus Alastor of genus Alastor Lepeletier; declared available from date of publication by Opinion 893 (ICZN 1970).
Type species: Alastor tuberculatus de Saussure 1853, by subsequent designation of van der Vecht 1967: 31; confirmed by Opinion 893 (ICZN 1970).
Alastoroides de Saussure 1856: 327, subgenus of Alastor Lepeletier.
Type species: Alastor clotho Lepeletier 1841, by subsequent designation of Ashmead 1902: 210.
Paralastoroides de Saussure 1856: 328, division of subgenus Alastoroides de Saussure of genus Alastor Lepeletier; declared available from date of publication by Opinion 893 (ICZN, 1970).
Type species: Alastor clotho Lepeletier 1841, by monotypy.