Suborder Pseudorhizomorina Schrammen 1901 (demosponge)
Demospongiae - Tetralithistida
Parent taxon: Tetralithistida according to R. M. Finks et al. 2004
Sister taxa: Dicranocladina, Didymmorina, Tetracladina
Subtaxa: Macandrewiidae Neopeltidae
Ecology: stationary epifaunal suspension feeder
Distribution: found only at CH/f63a Tutuiri Stream, Chatham Island (Paleocene to Eocene of New Zealand)