Order Tetralithistida Lagneau-Hérenger 1962 (demosponge)
Demospongiae - Tetralithistida
Parent taxon: Lithistida according to R. M. Finks et al. 2004
See also Senowbari-Daryan and Rigby 2015
Sister taxa: Achrochordonia, Anomocladina, Bothoteca, Callipelta, Cupulina, Gillettia, Hippalimus, Homophymia, Lithistida wiedeyi, Megalithistida, Monalithistida, Orchocladina, Phymatellidae, Psarodictyon, Pyrogochonia, Scleritodermidae, Spirosclerophorida
Subtaxa: Dicranocladina Didymmorina Pseudorhizomorina Tetracladina
Ecology: stationary epifaunal suspension feeder