Superfamily Arrenuroidea Thor 1900
Alternative spelling: Arrenurae
Parent taxon: Hydracarnidiae according to J. A. Dunlop et al. 2013
See also Park and Downing 2001
Sister taxon: Eylaoidea
Subtaxa: Protoarrenurus
Distribution:
• Miocene of United States (12: California collections)
Total: 12 collections each including a single occurrence