†subfamily Biddulphioideae
Biddulphiaceae - Biddulphiaceae
Parent taxon: Biddulphiaceae according to G. Andrews 1976
Sister taxa: Biddulphia, Briggera, Eunotogramma, Fenneria, Hemiaulus, Isthmia, Lisitzinia, Pseudotriceratium
Subtaxa: none
Distribution: there are no occurrences of Biddulphioideae in the database