Zenostephanus Callomon et al. 2009 (ammonite)

Cephalopoda - Ammonitida - Perisphinctidae

Invalid subtaxa: Aulacostephanus (Xenostephanus) Arkell and Callomon 1963 [replaced name], Xenostephanus Arkell and Callomon 1963 [replaced name], Zonovia (Xenostephanus) Arkell and Callomon 1963 [replaced name]

Full reference: J. H. Callomon, S. K. Donovan, and L. W. Van Den Hoek Ostende. 2009. Zenostephanus, a new name for the genus Xenostephanus Arkell and Callomon, 1963 (Mollusca, Cephalopoda), preoccupied by Xenostephanus Simpson, Minoprio and Patterson, 1962 (Mammalia). Palaeontology 52:671-672

Parent taxon: Perisphinctidae according to J. H. Callomon et al. 2009

See also Mesezhnikov 1984 and Sepkoski 2002

Sister taxa: Albanesiceras, Aulacostephaninae, Bajocisphinctes, Choffatiasphinctes, Dorsoplanitinae, Euvirgalithacoceras, Franchia, Homoeoplanulites, Idoceratinae, Leptosphinctinae, Microbajocisphinctes, Mirosphinctes, Orionoides, Oxysphinctes, Passendorferiinae, Perisphinctinae, Pictoniinae, Planisphinctes, Praebigotites, Procerites, Prorsisphinctes, Pseudogravesia, Pseudoperisphinctinae, Pseudovirgatitinae, Sicilisphinctes, Siemiradzkia, Sivajiceratinae, Tenuisphinctes, Vinalesphinctinae, Virgatopavlovia, Virgatosphinctinae, Zigzagiceratinae

Subtaxa: Zenostephanus ranbyensis Zonovia (Xenostephanus) sachsi Zonovia (Xenostephanus) subquadrata

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Type: Aulacostephanus (Xenostephanus) ranbyensis

Ecology: fast-moving nektonic carnivore

Distribution:

• Jurassic of the Russian Federation (2 collections)

Total: 2 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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