†family Sajanolynthidae Rozanov 1989 (archaeocyath sponge)
Archaeocyatha - Monocyathida - Sajanolynthidae
Parent taxon: Monocyathida according to F. Debrenne et al. 2015
Sister taxa: Arimasia, Favilynthidae, Globosocyathidae, Monocyathidae, Palaeoconulariidae, Tumuliolynthidae
Subtaxa: Sajanolynthus
Type: Sajanolynthus
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution: found only at Uyar River, Bellykskoye Mountains, unit 1 (Cambrian of Russian Federation)