†Acanthodiscus Uhlig 1905 (ammonite)
Cephalopoda - Ammonitida - Neocomitidae
Parent taxon: Endemoceratinae according to J. Klein 2005
Sister taxa: Distoloceras, Favrella, Leopoldia, Lyticoceras
Subtaxa: Acanthodiscus magnificus, Acanthodiscus radiatus, Acanthodiscus subradiatus
Type: Ammonites radiata
Ecology: fast-moving nektonic carnivore