Gastropoda - Neogastropoda - Olividae
Alternative spelling: Ancillopsis
Parent taxon: Ancillaria according to Tryon 1883
See also Sepkoski 2002
Sister taxa: Ancilla (Alocospira), Ancilla (Ancilla), Ancilla (Ancillus), 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 sublobosa, Ancillaria bretzi
Subtaxa: none
Ecology: epifaunal carnivore
Distribution:
• Eocene of Japan (1 collection), Mexico (1), the United Kingdom (2), United States (1: Alabama)
Total: 5 collections each including a single occurrence