†family Sontheimiidae Schrammen 1936 (demosponge)
Demospongiae - Tetralithistida - Sontheimiidae
Parent taxon: Tetracladina according to W. Wagner 1963
Sister taxa: Astrocladiidae, Chenendoporidae, Phymaraphiniidae, Plinthosellidae, Protetraclisidae, Radiocelliidae, Siphoniidae, Sulcastrella, Theonellidae, Vermiculissimum
Subtaxa: none
Ecology: stationary epifaunal suspension feeder
Distribution: there are no occurrences of Sontheimiidae in the database