The Ammonite Metengonoceras Hyatt, 1903 from the Mowry Shale (Cretaceous) of Montana and WyomingWashington

W. A. Cobban, and W. J. Kennedy

1989

Article

United States Geological Survey Bulletin 1787:L1

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Taxa discussed in this work:

• Metengonoceras teigenense

Taxonomy:

• Metengonoceras aspenanum belongs to Metengonoceras - Cobban and Kennedy (1989)
• Metengonoceras teigenense belongs to Metengonoceras - Cobban and Kennedy (1989)