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Kosmermoceras Arkell 1952 (ammonite)

Cephalopoda - Ammonitida - Stephanoceratidae

PaleoDB taxon number: 15082

Alternative spelling: Ermoceras (Kosmermoceras)

Full reference: W. J. Arkell. 1952. Jurassic ammonites from Jebel Tuwaiq, central Arabia. Philosophical Transactions of the Royal Society of London, Series B, Biological Sciences 236:241-313

Parent taxon: Stephanoceratidae according to W. J. Arkell et al. 1957

Sister taxa: Cadomites, Ermoceras, Frebolditinae, Garantianinae, Kumatostephanus, Mollistephaninae, Skirroceras, Skolekostephanus, Stemmatoceras, Stephanoceratinae, Telermoceras, Teloceras

Subtaxa: Ermoceras (Kosmermoceras) aulacostephanus, Ermoceras (Kosmermoceras) elegans, Ermoceras (Kosmermoceras) magnificum, Ermoceras (Kosmermoceras) runcinatum, Ermoceras (Kosmermoceras) strigatum

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Type: Ermoceras (Kosmermoceras) runcinatum

Ecology: fast-moving nektonic carnivore