Subfamily Austrolithoideae (red algae)
Florideophyceae - Corallinophycidae
Parent taxon: Hapalidiaceae according to C. W. Schneider and M. J. Wynne 2007
Sister taxa: Choreonematoideae, Melobesioideae
Subtaxa: none
Ecology: "photoautotroph"
Distribution: there are no occurrences of Austrolithoideae in the database