†Cornutocyathus Zhuravleva et al. 1997 (sponge)
Full reference: I. T. Zhuravleva, I. A. Konyaeva, D. V. Osadchaya and A. S. Boyarinov. 1997. Biostratigraphy of the Kiya River section. - Early Cambrian Archaeocyaths and spicular sponges from the Kiya River section (Kuznetsk Alatau). Part 2. Annales de Paléontologie 83(2):115-200
Parent taxon: Irregulares according to I. T. Zhuravleva et al. 1997
Sister taxa: Archaeocyathida, Aruntacyathus, Batchatocyathus, Batenevia, Bicyathus, Egiinocyathus, Graphoscyphia, Kazakhstanicyathida, Osadchiites, Palmericyathellus, Retilamina, Rhizacyathus
Subtaxa: none
Ecology: stationary intermediate-level epifaunal suspension feeder