Revision of some common Carboniferous genera of North American orthocerid nautiloids

B. Kröger, and R. H. Mapes

2005

Article

Journal of Paleontology 79(5):1002-1011

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Taxa discussed in this work:

• Hebetorthoceras
• Hebetorthoceras brokenarrowense
• Hebetorthoceras indianum
• Hebetorthoceras tricamerae
• Hebetorthoceras unicamera
• Mitorthoceras crebriliratum
• Mitorthoceras perfilosum
• Mooreoceras crebriliratum

Taxonomy:

• Mitorthoceras belongs to Pseudorthoceratidae - Kröger and Mapes (2005)
• Pseudorthoceras knoxense belongs to Pseudorthoceras - Kröger and Mapes (2005)
• Mooreoceras normale belongs to Pseudorthoceras knoxense - Kröger and Mapes (2005)
• Mitorthoceras perfilosum belongs to Mitorthoceras - Kröger and Mapes (2005)
• Mooreoceras crebriliratum belongs to Mitorthoceras perfilosum - Kröger and Mapes (2005)
• Mitorthoceras crebriliratum belongs to Mitorthoceras - Kröger and Mapes (2005)
• Hebetorthoceras belongs to Pseudorthoceratidae - Kröger and Mapes (2005)
• Hebetorthoceras unicamera belongs to Hebetorthoceras - Kröger and Mapes (2005)
• Hebetorthoceras indianum belongs to Hebetorthoceras - Kröger and Mapes (2005)
• Hebetorthoceras tricamerae belongs to Hebetorthoceras - Kröger and Mapes (2005)
• Hebetorthoceras brokenarrowense belongs to Hebetorthoceras - Kröger and Mapes (2005)