†family Girtyoceratidae Wedekind 1918 (ammonite)

Cephalopoda - Goniatitida - Girtyoceratidae

Parent taxon: Girtyocerataceae according to D. Korn and M. N. Sudar 2016

See also Furnish et al. 2009, Klug et al. 2006, Korn 2006, Korn et al. 1999 and Korn and Titus 2015

Sister taxon: Entogonitidae

Subtaxa: Baschkiritidae Calygirtyoceras Girtyoceras Girtyoceratinae

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Ecology: fast-moving nektonic carnivore

Distribution:

• Chesterian of United States (4: Arkansas, Nevada, Oklahoma collections)

• Carboniferous of the Czech Republic (1), Germany (4), Kazakhstan (29), Morocco (7), the Russian Federation (25), Serbia and Montenegro (1), the United Kingdom (16), United States (83: Arkansas, Illinois, Kentucky, Nevada, Oklahoma, Texas, Utah), Uzbekistan (7)

Total: 177 collections including 216 occurrences

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