Scalaria (Acrilla) Adams and Adams 1860
Gastropoda - Ptenoglossa - Epitoniidae
Alternative spellings: Acrilla, Amaea (Acrilla), Epitonium (Acrilla), Scala (Acrilla)
Parent taxon: Scalaria according to R. Tate 1893
Sister taxa: Scalaria (Scalaria), Scalaria bezanconi, Scalaria biserta, Scalaria clathrus, Scalaria damesi, Scalaria elongata, Scalaria geniculata, Scalaria hamulifera, Scalaria minima, Scalaria ornata, Scalaria subulata, Scalaria torulosus
Subtaxa: Acrilla affinis, Acrilla unilineata, Amaea (Acrilla) affinis, Amaea (Acrilla) gallica, Amaea (Acrilla) issawii, Epitonium (Acrilla) peruvianum, Scalaria (Acrilla) leptalea