†Nematosalpinx (demosponge)
Demospongea - Agelasida - Aphrosalpingidae
Parent taxon: Aphrosalpingidae according to J. K. Rigby et al. 1994
Sister taxa: Cystothalamiella, Fistulospongininae, Palaeoschadinae, Vesicocauliinae
Subtaxa: Nematosalpinx dichotomica, Nematosalpinx hormathodes
Type: Nematosalpinx dichotomica
Ecology: stationary epifaunal suspension feeder