Gastropoda - Neogastropoda - Olividae
Alternative spelling: Ancillus
Parent taxon: Ancilla according to H. L. Abbass 1967
See also Kosnik 2002 and Sohl 1964
Sister taxa: Ancilla (Alocospira), Ancilla (Ancilla), Ancilla (Oliverato), Ancilla (Olivula), Ancilla (Sparella), Ancilla (Turrancilla), Ancilla alazana, Ancilla ampla, Ancilla blakeleyensis, Ancilla brassica, Ancilla burroensis, Ancilla canalifera, Ancilla fishii, Ancilla flexuosa, Ancilla indica, Ancilla kovatschensis, Ancilla lamellata, Ancilla latifasciata, Ancilla meganosensis, Ancilla olivula, Ancilla pananga, Ancilla paralamellata, Ancilla staminea, Ancilla subulata, Ancilla vacavillensis, Ancillaria (Ancillopsis), Ancillaria sublobosa, Ancillaria bretzi
Subtaxa: Ancilla (Ancillus) abdoi Ancilla (Ancillus) pseudonana Ancilla (Ancillus) sinaiensis Ancillus acutula
Ecology: epifaunal carnivore
Distribution:
• Oligocene of Denmark (2 collections), France (1)
• Eocene of Bulgaria (2), Egypt (1), New Zealand (1), Pakistan (1), the United Kingdom (3), United States (6: Alabama, Texas)
• Paleocene of Egypt (1)
• Cretaceous of United States (17: Alabama, Georgia, Maryland, Mississippi, Tennessee, Texas)
Total: 35 collections including 37 occurrences