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Arnioceras (ammonite)

Cephalopoda - Ammonitida - Arietitidae

PaleoDB taxon number: 14579

Synonyms: Arniotites (no. 14580), Burkhardticeras Lopez 1967 (no. 257616), Eparnioceras Spath 1924 (no. 257614), Laevispirus Venturi and Nannarone 2002 (no. 257617), Melanhippites Crickmay 1928 (no. 257615)

Parent taxon: Arietitinae according to M. K. Howarth 2013

Sister taxa: Coroniceras, Guexiceras, Longziceras, Metarnioceras, Schreinbachites, Tmaegoceras, Vermiceras

Subtaxa: Arnioceras arnouldi, Arnioceras bodleyi, Arnioceras ceratitoides, Arnioceras fieldingiceroides, Arnioceras insolitum, Arnioceras miserabile, Arnioceras nevadanum, Arnioceras paucicostum, Arnioceras pseudoturneri, Arnioceras rejectum, Arnioceras robustum, Arnioceras semicostatum, Arnioceras speciosum, Arnioceras transitionis, Arniotites vancouverensis

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Ecology: fast-moving nektonic carnivore