Cephalopoda - Ammonitida - Holcodiscidae
Full reference: P. F. Rawson and M. B. Aguirre-Urreta. 2012. Lower Cretaceous ammonites from the Neuquén Basin, Argentina: The Hauterivian genus Spitidiscus. Cretaceous Research 33:97-105
Belongs to Spitidiscus according to P. F. Rawson and M. B. Aguirre-Urreta 2012
Sister taxa: Holcodiscus (Spitidiscus) escragnollensis, Holcodiscus (Spitidiscus) gibbosulus, Spitidiscus fasciger, Spitidiscus intermedius, Spitidiscus meneghinii, Spitidiscus oregonensis, Spitidiscus riccardii, Spitidiscus rotula, Spitidiscus simitiensis
Type specimen: CPBA 20022.5, a shell
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): diameter 45.7
Distribution:
• Cretaceous of Argentina (9 collections)
Total: 9 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.