Cardioceratidae

Cardioceratidae is an extinct ammonite family belonging to the superfamily Stephanoceratoidea. These fast-moving nektonic carnivores lived during the Middle-Late Jurassic periods.^[2]

Cardioceratidae Temporal range: Middle-Late Jurassic, 166.1–152.1 Ma PreꞒ Ꞓ O S D C P T J K Pg N Callovian-Kimmeridgian
Cardioceras persecans from France
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	†Ammonoidea
Order:	†Ammonitida
Superfamily:	†Stephanoceratoidea
Family:	†Cardioceratidae Siemiradzki, 1891
Genera[1]
†Cadoceras †Quenstedtoceras †Lamberticeras †Cardioceras †Amoeboceras