Lower Campanian (Upper Cretaceous) ammonites from the Merchantville Formation of New Jersey, Maryland, and Delaware

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

1993

Article

Journal of Paleontology 67(5):828-849

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Taxa discussed in this work:

• Chesapeakella
• Chesapeakiceras nodatum
• Cryptotexanites
• Cryptotexanites paedomorphicus
• Delawarella
• Menabites (Delawarella) delawarensis
• Menabites (Delawarella) vanuxemi
• Pseudoschloenbachia (Pseudoschloenbachia)
• Pseudoschloenbachia (Pseudoschloenbachia) chispaensis
• Pseudoschloenbachia (Pseudoschloenbachia) umbulazi
• Submortoniceras punctatum
• Submortoniceras uddeni
• Texanites (Texanites)
• Texanites (Texanites) texanus

Taxonomy:

• Pseudoschloenbachia (Pseudoschloenbachia) chispaensis belongs to Pseudoschloenbachia (Pseudoschloenbachia) - Kennedy and Cobban (1993)
• Texanites (Texanites) texanus belongs to Texanites (Texanites) - Kennedy and Cobban (1993)
• Menabites (Delawarella) delawarensis belongs to Delawarella - Kennedy and Cobban (1993)
• Submortoniceras belongs to Texanitinae - Kennedy and Cobban (1993)
• Submortoniceras woodsi belongs to Submortoniceras - Kennedy and Cobban (1993)
• Submortoniceras punctatum belongs to Submortoniceras - Kennedy and Cobban (1993)
• Submortoniceras uddeni belongs to Submortoniceras - Kennedy and Cobban (1993)
• Cryptotexanites belongs to Texanitinae - Kennedy and Cobban (1993)
• Cryptotexanites paedomorphicus belongs to Cryptotexanites - Kennedy and Cobban (1993)
• Chesapeakella belongs to Diplomoceratinae - Kennedy and Cobban (1993)
• Chesapeakiceras nodatum belongs to Chesapeakella - Kennedy and Cobban (1993)