Family Platychoniidae Schrammen 1924 (demosponge)
Demospongiae - Spirosclerophorida - Platychoniidae
Parent taxon: Rhizomorina according to R. M. Finks et al. 2004
Sister taxa: Azoricoidea, Haplistiidae, Laosciadia, Platychoniodea, Scleritodermatoidea, Sentinelia
Subtaxa: Amphibleptula Bothrolemma Chonellopsis Hyaloderma Platychonia
Type: Platychonia
Ecology: stationary epifaunal suspension feeder
Distribution: