Pachydesmoceras Spath, 1922, a Cretaceous ammonite in Colorado first record of the Cretaceous (Turonian) puzosiine ammonite genus Pachydesmoceras Spath, 1922, in the western interior of the United States

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Veröffentlicht in:Shorter contributions to paleontology and stratigraphy
1. Verfasser: Cobban, William Aubrey (VerfasserIn)
Weitere Verfasser: Kennedy, William James (VerfasserIn)
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Veröffentlicht: 1991
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Pachydesmoceras Spath, 1922, a Cretaceous ammonite in Colorado : first record of the Cretaceous (Turonian) puzosiine ammonite genus Pachydesmoceras Spath, 1922, in the western interior of the United States 1991 Cobban, William Aubrey
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