Cephalopoda - Ammonoidea - Cyclolobidae

PaleoDB taxon number: 13671

Alternative spelling: Arcestes (Cyclolobus)

Synonyms: Godthaabites Frebold 1932 (no. 141154), Krafftoceras Diener 1903 (no. 13758)

Parent taxon: Cyclolobinae according to W. M. Furnish et al. 2009

Sister taxa: Changhsingoceras, Demarezites, Kurdiceras, Newellites, Timorites, Waagenoceras

Subtaxa: Cyclolobus kiselevae, Cyclolobus kullingi, Cyclolobus oldhami, Cyclolobus persulcatus, Cyclolobus ruzhencevi, Cyclolobus teicherti, Cyclolobus walkeri, Cyclolobus zhongbaensis

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Ecology: fast-moving nektonic carnivore