Gastropoda - Epitonioidea - Epitoniidae
Alternative spelling: Epitonium (Acirsa)
Invalid subtaxa: Pseudoacirsa de Boury 1909 [replaced name], Tumidiacirsa de Boury 1911
Parent taxon: Epitoniidae according to R. L. Squires and L. R. Saul 2003
See also Beu 2011, Dall 1921, Durham 1937, DuShane 1979, Harris and Palmer 1947, Kase 1984, Palmer and Brann 1966, Sepkoski 2002, Sohl 1964, Sohl 1964, Todd 2001 and Wienrich 2001
Sister taxa: Aciculiscala, Acirsinae, Alora, Amaea, Belliscala, Boreoscala, Cerithiscala, Cirsotrema, Clathroscala, Clathrus, Claviscala, Confusiscala, Crossotrema, Dannevigena, Eglisia, Epitomium, Epitoniinae, Epitonium, Filiscala, Gregorioiscala, Gryoscala, Littoriniscala, Mazescala, Murdochella, Narvaliscala, Notacirsa, Nystiellinae, Opalia, Opaliinae, Papuliscala, Pliciscala, Problitora, Pseudosassia, Scalaria, Scalina, Sthenorytis, Turriscala, Variciscala, Funis, Australolaxispira
Subtaxa: Acirsa (Acirsa) Acirsa (Acirsella) Acirsa (Hemiacirsa) Acirsa (Plesioacirsa) Acirsa alpha Acirsa beta Acirsa borealis Acirsa cerralvoensis Acirsa culmosa Acirsa delta Acirsa epsilon Acirsa gravida Acirsa nexilia Acirsa obtusa Acirsa penepolaris
Ecology: slow-moving low-level epifaunal carnivore
Distribution:
• Quaternary of Canada (1: Quebec collection), Greenland (1), Italy (1), United States (4: Alaska, California)
• Pliocene of Italy (1), Japan (1), the United Kingdom (2)
• Miocene of Denmark (1), Germany (15), the Netherlands (1), Poland (1)
• Eocene of France (3), Germany (1), the United Kingdom (3), United States (15: Alabama, Louisiana, Mississippi, Texas)
• Paleocene of Argentina (1), Denmark (4), Greenland (2), New Zealand (1), Poland (5), United States (1: Texas)
• Cretaceous of Canada (7: Alberta, British Columbia), Germany (2), Japan (3), the Russian Federation (1), United States (44: Alabama, Arizona, California, Georgia, Maryland, Mississippi, North Carolina, Tennessee, Texas)
• Jurassic of India (1)
Total: 123 collections including 157 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.