Subfamily Pachastrellinae Carter 1875 (demosponge)
Demospongiae - Pachastrellida - Pachastrellidae
Parent taxon: Pachastrellidae according to R. M. Finks et al. 2004
Sister taxa: Acanthophora, Brachiaster, Calthropellinae, Halininae, Helobrachium, Paropsites, Propachastrella, Youngella
Subtaxa: Nethea Pachastrella
Type: Pachastrella
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Miocene of Algeria (1 collection), Spain (1)
• Jurassic of the United Kingdom (1)
Total: 3 collections each including a single occurrence