†family Rioceratidae Kröger and Evans 2011 (mollusk)
Full reference: B. Kröger and D. H. Evans. 2011. Review and paleoecological analysis of the late Tremadocian – early Floian (Early Ordovician) cephalopod fauna of the Montagne Noire, France. Fossil Record 14(1):5-34
Parent taxon: Rioceratida according to A. H. King and D. H. Evans 2019
See also Kröger and Evans 2011
Sister taxon: Bactroceratidae
Subtaxa: Felinoceras Rioceras
Ecology: fast-moving nektonic carnivore
Distribution: