†Ancilla (Alocospira) Cossmann 1899 (olive snail)
Gastropoda - Neogastropoda - Olividae
PaleoDB taxon number: 135576
Alternative spelling: Alocospira
Parent taxon: Ancilla according to C. H. Oostingh 1935
Sister taxa: 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 flexuosa, Ancilla indica, Ancilla kovatschensis, Ancilla lamellata, Ancilla meganosensis, Ancilla olivula, Ancilla pananga, Ancilla paralamellata, Ancilla staminea, Ancilla subulata, Ancilla vacavillensis, Ancillaria fishii, Ancillaria (Ancillopsis)
Subtaxa: Ancilla (Alocospira) gerthi
Ecology: epifaunal carnivore