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Cardioceras densiplicatum FACT FILE
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Superfamily: Stephanocerataceae
Family: Cardioceratidae
Subfamily: Cardioceratinae.
Genus: Cardioceras
Cardioceras is an ammonite genus with a moderately compressed shell, with a large outer whorl that becomes smooth. It has a strong keel and well differentiated ribs.
Fast-moving nektonic carnivores
The microconch were relatively large, with an average phragmocone diameter about 5-7 cm, macroconchs had a diameter of 20-25 cm. Microconchs of Cardioceras genus had no lateral projections on their apertures, however they had long ventral projection (rostrum).
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