Gastropoda - Epitonioidea - Epitoniidae
Alternative spellings: Acrilla, Amaea (Acrilla), Scala (Acrilla), Scalaria (Acrilla)
Parent taxon: Epitonium according to Maury 1925
See also Abbass 1967, Dockery 1977, Durham 1937, Durham 1944, Harris and Palmer 1947, Moneer et al. 2024, Rivera 1957, Sepkoski 2002, Squires and Demetrion 1992, Tate 1893, Turner 1938, Wilson 1993 and Zinsmeister 1983
Sister taxa: Epitonium (Arctoscala), Epitonium (Asperiscala), Epitonium (Bifidoscala), Epitonium (Cinctiscala), Epitonium (Coniscala), Epitonium (Crisposcala), Epitonium (Cycloscala), Epitonium (Epitonium), Epitonium (Glabriscala), Epitonium (Gyroscala), Epitonium (Hirtoscala), Epitonium (Hyaloscala), Epitonium (Minutiscala), Epitonium (Nitidiscala), Epitonium (Papyriscala), Epitonium (Parviscala), Epitonium (Pictoscala), Epitonium (Scala), Epitonium (Striatascala), Epitonium alaquaense, Epitonium albidum, Epitonium angulatum, Epitonium candeanum, Epitonium chancellorensis, Epitonium charlestonensis, Epitonium clallamense, Epitonium clathratulum, Epitonium cookii, Epitonium cribrum, Epitonium dubiosum, Epitonium echinaticosta, Epitonium faearium, Epitonium foliaceum, Epitonium frondiculum, Epitonium frondosum, Epitonium georgettinum, Epitonium greenlandicum, Epitonium hospitum, Epitonium humphreysii, Epitonium kostejanum, Epitonium latefasciatum, Epitonium leai, Epitonium multistriatum, Epitonium paytense, Epitonium peruvianum, Epitonium philippinarum, Epitonium rupicola, Epitonium sandwichense, Epitonium sohli, Epitonium stellanum, Epitonium submaculosum, Epitonium tabulatum, Epitonium tollini, Epitonium trevelyana
Subtaxa: Acrilla affinis Acrilla procerus Acrilla unilineata Amaea (Acrilla) affinis Amaea (Acrilla) gallica Amaea (Acrilla) issawii Amaea (Acrilla) niloatica Epitonium (Acrilla) peruvianum Scalaria (Acrilla) leptalea
Ecology: slow-moving semi-infaunal carnivore
Distribution:
• Quaternary of Italy (2 collections)
• Pliocene of Italy (1)
• Miocene of Poland (1), Trinidad and Tobago (1)
• Eocene of Egypt (3), France (6), Mexico (1), Nigeria (1), Peru (5), the United Kingdom (4), United States (5: Louisiana, Mississippi)
• Paleocene of Denmark (6), Mexico (1), United States (1: California)
• Cretaceous of United States (1: Alabama)
Total: 39 collections including 59 occurrences