†Guettardiscyphia (Koleostoma)
Hexactinellida - Hexactinosa - Cribrospongiidae
Alternative spelling: Koleostoma
Parent taxon: Guettardiscyphia according to R.E.H. Reid 2004
See also Sepkoski 2002
Sister taxa: Guettardiscyphia (Hillendia), Guettardiscyphia alata, Guettardiscyphia bisalata, Guettardiscyphia diptera, Guettardiscyphia roemeri, Guettardiscyphia stellata, Guettardiscyphia striata, Guettardiscyphia thiolati
Subtaxa: none
Distribution: there are no occurrences of Guettardiscyphia (Koleostoma) in the database