†Trizonoceras Girty 1909 (ammonite)
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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
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
Specimen images are retrieved through the ePANDDA API.
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