†family Syringostrominidae Lecompte 1952 (demosponge)
Demospongiae - Axinellida - Syringostrominidae
Parent taxon: Axinellida according to W. Kiessling 2003
Sister taxa: Agelasidae, Astrosclerida, Axinellidae, Ceratoporellidae, Cladocoropsidae, Cylicoopsis, Heftastylis, Neuroporidae, Pamirostroma, Pantokratoria, Zlambachella
Subtaxa: Syringostromina
Ecology: stationary epifaunal suspension feeder-photosymbiotic
Distribution: found only at Praia do Tonel, Sagres area, Faro (Jurassic of Portugal)