†suborder Calcaxonia Grasshoff 1999
Parent taxon: Alcyonacea according to J. L. Goedert et al. 2022
Sister taxa: Isididae, Nephthea, Nephtheidae, Nephtya, Tubipora
Subtaxa: Chrysogorgiidae
Ecology: stationary intermediate-level epifaunal microcarnivore-photosymbiotic
Distribution: there are no occurrences of Calcaxonia in the database