Gymnotoceras rotelliformis Meek 1877 (ceratite)

Cephalopoda - Ceratitida - Ceratitidae

Alternative combinations: Beyrichites rotelliformis, Gymnotoceras rotelliforme

Synonyms: Beyrichites tenuis Smith 1914, Ceratites (Phillipites) argentarius Smith 1914, Ceratites argentarius Smith 1914, Gymnotoceras smithi Tozer 1994

Full reference: F. B. Meek. 1877. Part I. Palaeontology. Report of the Geological Exploration of the Fortieth Parallel 4:1-197

Belongs to Gymnotoceras according to C. Monnet and H. Bucher 2005

See also Dagis et al. 1996, Hyatt and Smith 1905, Konstantinov 1991, Silberling and Nichols 1982, Smith 1914 and Tozer 1994

Sister taxa: Acrochordiceras foltzense, Gymnotoceras blakei, Gymnotoceras crimicus, Gymnotoceras ginsburgi, Gymnotoceras inflatum, Gymnotoceras mimetus, Gymnotoceras olenekense, Gymnotoceras praecursor, Gymnotoceras sublaqueatum, Gymnotoceras tasaryense, Gymnotoceras weitschati, Gymnotoceras zvetkovi

Ecology: nektonic carnivore

Average measurements (in mm): shell diameter 38.5

Distribution:

• Triassic of the Russian Federation (13 collections), United States (45: Nevada)

Total: 58 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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