Family Axinellidae Carter 1875 (demosponge)
Demospongiae - Axinellida - Axinellidae
Parent taxon: Axinellida according to R. M. Finks et al. 2004
See also Worheide et al. 2012
Sister taxa: Agelasidae, Astrosclerida, Ceratoporellidae, Cladocoropsidae, Cylicoopsis, Heftastylis, Neuroporidae, Pamirostroma, Pantokratoria, Syringostrominidae, Zlambachella
Subtaxa: Axinella
Type: Axinella
Ecology: stationary epifaunal suspension feeder-photosymbiotic
Distribution: found only at Shyg5-Greensand (Cretaceous of the United Kingdom)