†subfamily Girtyoceratinae Wedekind 1918 (ammonite)
Cephalopoda - Goniatitida - Girtyoceratidae
Parent taxon: Girtyoceratidae according to W. M. Furnish et al. 2009
Sister taxa: Baschkiritidae, Calygirtyoceras, Girtyoceras
Subtaxa: Baschkirites Cousteauceras Edmooroceras Eumorphoceras Hudsonoceras Peytonoceras Pseudogirtyoceras Sulcogirtyoceras Sundernites Torulites Tumulites Winchelloceras Zhongningoceras
Type: Girtyoceras
Ecology: fast-moving nektonic carnivore
Distribution:
• Carboniferous of Germany (4 collections), Kazakhstan (16), Morocco (4), the Russian Federation (22), the United Kingdom (16), United States (65: Arkansas, California, Kentucky, Nevada, Oklahoma, Texas, Utah), Uzbekistan (7)
Total: 134 collections including 148 occurrences