†subfamily Sporolithoideae Setchell 1943 (red algae)
Florideophyceae - Corallinophycidae
Parent taxon: Sporolithaceae according to K. Tripalo 2017
See also Chaurpagar et al. 2012
Sister taxa: Hemiphyllum, Heydrichia, Sporolithon
Subtaxa: none
Distribution:
• Oligocene of Italy (3 collections)
Total: 3 collections each including a single occurrence