†family Tropidastraeidae Melnikova 1984 (stony coral)
Parent taxon: Faviina according to E. Morycowa 1988
Sister taxa: Columastreidae, Faviicae, Heliastraeidae, Isastreidae, Misistellidae, Mussidae, Oculinidae, Pamiroseriidae, Phyllocoeniidae, Placocoeniidae, Placosmiliidae, Stylophyllicae
Subtaxa: Chevalieria
Ecology: stationary intermediate-level epifaunal photosymbiotic-suspension feeder