Cephalopoda - Ammonitida - Holcodiscidae
Alternative spelling: Holcodiscus (Spitidiscus)
Parent taxon: Spitidiscinae according to P. F. Rawson and M. B. Aguirre-Urreta 2012
See also Cottreau 1934, Haas 1960, Imlay 1960, Reboulet 1996, Sepkoski 2002 and Wright et al. 1996
Sister taxon: Holcoptychites
Subtaxa: Holcodiscus (Spitidiscus) escragnollensis Holcodiscus (Spitidiscus) gibbosulus Spitidiscus fasciger Spitidiscus intermedius Spitidiscus kilapiae Spitidiscus meneghinii Spitidiscus oregonensis Spitidiscus riccardii Spitidiscus rotula Spitidiscus simitiensis
Type: Ammonites rotula
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Argentina (14 collections), Colombia (3), the Czech Republic (1), France (65), Georgia (1), Italy (8), Morocco (1), Portugal (3), Spain (31), Tunisia (6), United States (2: Oregon)
Total: 135 collections including 172 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.