Rank Genus | ||
 | ||
Similar Kossmaticeras, Lytoceras cornucopia, Haploceras, Kosmoceras spinosum, Lissoceras | ||
Holcodiscus is an ammonite genus placed in the family Holcodiscidae. Species in this genus were fast-moving nektonic carnivores. The type species of the genus is Ammonites caillaudianus.
Distribution
Fossils of species within this genus have been found in the Cretaceous sediments of Austria, Chile, Colombia, Czech Republic, Czechoslovakia, France, Italy, Morocco, Spain and Russia.
References
Holcodiscus Wikipedia(Text) CC BY-SA