Family Campanulariidae Johnston 1836
Hydrozoa - Hydroida - Campanulariidae
Parent taxon: Calyptoblastina according to B. M. Waggoner and M. R. Langer 1993
Sister taxa: Archaeoantennularia, Hydrallmania, Kristinella, Mesokylix, Palaeokylix, Palaeotuba, Protohalecium, Sphenoecium
Subtaxa: Campanulariinae
Ecology: stationary epifaunal carnivore-suspension feeder
Distribution: found only at MSU campus, Starkville [Prairie Bluff Fm] (Cretaceous of Mississippi)