Kingdom Animalia Subclass Ammonoidea Superfamily Stephanocerataceae Rank Genus | Class Cephalopoda Order Ammonitida Family Cardioceratidae | |
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Similar Quenstedtoceras, Euaspidoceras, Perisphinctes, Peltoceras, Cadoceras | ||
Cardioceras is an extinct ammonite genus belonging to the family Cardioceratidae.
Contents
These fast-moving nektonic carnivores lived during the Jurassic period, Oxfordian age.
Description
Shells of Cardioceras species can reach a diameter of 20–25 millimetres (0.79–0.98 in). The shape is circular, with ribs and a prominent ridge along the dorsal edge.
Distribution
Fossils of species within this genus have been found in the Jurassic of France, Germany, Poland, Russia and United Kingdom.
References
Cardioceras Wikipedia(Text) CC BY-SA