†subfamily Siphonidiinae Lendenfeld 1904 (demosponge)
Demospongiae - Spirosclerophorida - Azoricidae
Parent taxon: Azoricidae according to R. M. Finks et al. 2004
Sister taxa: Astroboliinae, Aulosominae, Azoricinae, Cytoraciinae, Leiochoniinae, Leiodermatium
Subtaxa: Pachysalax
Ecology: stationary epifaunal suspension feeder
Distribution: found only at Teutonia Nord quarry, Late Campanian, Misburg (Cretaceous of Germany)