Trizonoceras Girty 1909 (ammonite)

Cephalopoda - Goniatitida - Dimorphoceratidae

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

See also Korn 2006 and Sepkoski 2002

Sister taxa: Asturoceras, Dimorphoceras

Subtaxa: Trizonoceras kathleenae Trizonoceras leitrimense Trizonoceras medioximum Trizonoceras typicale

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Type: Trizonoceras typicale

Ecology: fast-moving nektonic carnivore

Distribution:

• Chesterian of United States (1: Oklahoma collection)

• Carboniferous of Kazakhstan (8)

Total: 9 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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