Girtyoceras

Girtyoceras includes 23 children:

• Girtyoceras acutum (Hind 1918)
• Girtyoceras brueningianum (Schmidt 1925)
• Girtyoceras cowdalense Moore 1946
• Girtyoceras deani Moore 1946
• Girtyoceras discus (Roemer 1852)
• Girtyoceras endicottense Gordon 1957
• Girtyoceras glabrum Ruzhentsev & Bogoslovskaya 1971
• Girtyoceras gordoni Korn & Titus 2011
• Girtyoceras hamiltonense Korn & Titus 2011
• Girtyoceras intracostatum (Knopp 1931)
• Girtyoceras kazakhorum Ruzhentsev 1966
• Girtyoceras latum Ruzhentsev & Bogoslovskaya 1971
• Girtyoceras meslerianum (Girty 1909)
• Girtyoceras meslerorum (Girty 1909)
• Girtyoceras modestum Ruzhentsev & Bogoslovskaya 1971
• Girtyoceras multicameratum Moore 1946
• Girtyoceras premeslerianum Moore 1946
• Girtyoceras primum Korn & Titus 2011
• Girtyoceras welleri Gordon 1964
• Sagittoceras hathawayanum
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