Cephalopoda - Ammonitida - Acanthoceratidae

Full reference: W. J. Kennedy and W. A. Cobban. 1990. Cenomanian ammonite faunas from the Woodbine Formation and lower part of the Eagle Ford Group, Texas. Palaeontology 33(1):75-154

Parent taxon: Acanthoceratinae according to C. W. Wright et al. 1996

See also Kennedy and Cobban 1990 and Sepkoski 2002

Sister taxa: Acanthoceras, Acompsoceras, Alzadites, Benueites, Calycoceras, Conlinoceras, Cunningtoniceras, Eucalycoceras, Kastanoceras, Kennediella, Kunnamiceras, Microsulcatoceras, Nebraskites, Neocardioceras, Nigericeras, Plesiacanthoceratoides, Prohauericeras, Protacanthoceras, Pseudocalycoceras, Pseudovascoceras, Quitmaniceras, Tarrantoceras, Thomelites, Watinoceras

Subtaxa: Paraconlinoceras barcusi Paraconlinoceras leonense

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Type: Eucalycoceras leonense

Ecology: fast-moving nektonic carnivore

Distribution: found only at USGS Mesozoic D14225, Palo Duro Canyon section, Sevilleta NWR (Cretaceous of New Mexico)

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Specimen images are retrieved through the ePANDDA API.