ammonites
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Marcouxia Guex et al. 2005 (ceratite)

Cephalopoda - Ammonoidea - Columbitidae

PaleoDB taxon number: 185465

Full reference: J. Guex, A. Hungerbühler, J. Jenks, D. Taylor, and H. Bucher. 2005. Dix-huit nouveaux genres d’ammonites du Spathien (Trias inférieur) de l’ouest américain (Idaho, Nevada, Utah et Californie) : Note préliminaire. Bulletin de Géologie Lausanne 362:1-32

Parent taxon: Columbitidae according to J. Guex et al. 2010

Sister taxa: Arianites, Columbites, Epiceltites, Epiceltitoides, Glabercolumbites, Idahocolumbites, Mangyshlakites, Neocolumbites, Paradinarites, Prenkites, Procolumbites, Protropites, Pseudharpoceras, Pseudoharpoceras, Rudolftruempyiceras, Subcolumbites, Subfengshanites, Tardicolumbites, Tunglanites, Yvesgalleticeras

Subtaxa: Marcouxia astakhovi

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Ecology: nektonic carnivore