Evolution and biogeography of the Cenomanian (Upper Cretaceous) ammonite Metoicoceras Hyatt, 1903, with a revision of Metoicoceras praecox Haas, 1949

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

1991

Article

United States Geological Survey Bulletin 1934:B1

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Taxa discussed in this work:

• Metoicoceras frontierense
• Metoicoceras latoventer
• Metoicoceras praecox

Taxonomy:

• Metoicoceras praecox belongs to Metoicoceras - Cobban and Kennedy (1991)
• Metoicoceras mosbyense belongs to Metoicoceras - Cobban and Kennedy (1991)
• Metoicoceras swallovi belongs to Metoicoceras - Cobban and Kennedy (1991)
• Metoicoceras latoventer belongs to Metoicoceras - Cobban and Kennedy (1991)
• Metoicoceras muelleri belongs to Metoicoceras mosbyense - Cobban and Kennedy (1991)