Suborder Tetracladina Zittel 1878 (demosponge)
Demospongiae - Tetralithistida
Parent taxon: Tetralithistida according to R. M. Finks et al. 2004
See also Senowbari-Daryan and Rigby 2015
Sister taxa: Dicranocladina, Didymmorina, Pseudorhizomorina
Subtaxa: Astrocladiidae Chenendoporidae Phymaraphiniidae Plinthosellidae Protetraclisidae Radiocelliidae Siphoniidae Sulcastrella Theonellidae Vermiculissimum
Ecology: stationary epifaunal suspension feeder