Cephalopoda - Ammonitida - Sphenodiscidae

PaleoDB taxon number: 15655

Parent taxon: Sphenodiscidae according to N. H. Landman and W. A. Cobban 2003

Sister taxa: Coahuilites, Indoceras, Lenticeratinae, Libycoceras, Manambolites, Sphenodiscinae

Subtaxa: Sphenodiscus aberrans, Sphenodiscus binkhorsti, Sphenodiscus brasiliensis, Sphenodiscus corroyi, Sphenodiscus intermedius, Sphenodiscus lobatus, Sphenodiscus parahybensis, Sphenodiscus pleurisepta, Sphenodiscus prepleurisepta, Sphenodiscus siva, Sphenodiscus ubaghsi

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Type: Ammonites lenticularis

Ecology: fast-moving nektonic carnivore