Cephalopoda - Ammonitida - Acanthoceratidae
Full reference: W. J. Kennedy and W. A. Cobban. 1990. Cenomanian micromorphic ammonites from the western interior of the USA. Palaeontology 33:379-422
Parent taxon: Acanthoceratinae according to C. W. Wright et al. 1996
See also Kennedy and Cobban 1990
Sister taxa: Acanthoceras, Acompsoceras, Benueites, Calycoceras, Conlinoceras, Cunningtoniceras, Eucalycoceras, Kastanoceras, Kennediella, Kunnamiceras, Microsulcatoceras, Nebraskites, Neocardioceras, Nigericeras, Paraconlinoceras, Plesiacanthoceratoides, Prohauericeras, Protacanthoceras, Pseudocalycoceras, Pseudovascoceras, Quitmaniceras, Tarrantoceras, Thomelites, Watinoceras
Subtaxa: Alzadites alzadensis Alzadites incomptus Alzadites westonensis
Type: Alzadites alzadensis
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of United States (8: Arizona, Montana, New Mexico, Utah, Wyoming collections)
Total: 8 collections including 9 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.