Cephalopoda - Ammonitida - Acanthoceratidae
Full reference: M. Collignon. 1937. Ammonites Cénomaniennes du sud–ouest de Madagascar. Annales géologiques du Service des Mines de Madagascar 8:29-72
Parent taxon: Acanthoceratinae according to A. S. Gale et al. 2018
See also Kennedy 1994, Kennedy 2013, Kennedy et al. 1988, Kennedy and Cobban 1990, Matsumoto and Skwarko 1993, Mosavinia and Wilmsen 2011 and Sepkoski 2002
Sister taxa: Acanthoceras, Acompsoceras, Alzadites, Benueites, Calycoceras, Conlinoceras, Eucalycoceras, Kastanoceras, Kennediella, Kunnamiceras, Microsulcatoceras, Nebraskites, Neocardioceras, Nigericeras, Paraconlinoceras, Plesiacanthoceratoides, Prohauericeras, Protacanthoceras, Pseudocalycoceras, Pseudovascoceras, Quitmaniceras, Sumitomoceras, Tarrantoceras, Thomelites, Watinoceras
Subtaxa: Cunningtoniceras arizonense Cunningtoniceras cunningtoni Cunningtoniceras inerme Cunningtoniceras johnsonianum Cunningtoniceras roguense
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Angola (4 collections), Australia (2), Iran (1), Kazakhstan (1), Madagascar (2), Nigeria (4), Papua New Guinea (1), Switzerland (1), Tunisia (1), the United Kingdom (4), United States (7: Arizona, California, Colorado, New Mexico, Wyoming)
Total: 28 collections including 31 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.