Paleontology and stratigraphy of upper Coniacian–middle Santonian ammonite zones and application to erosion surfaces and marine transgressive strata in Montana and Alberta

W. A. Cobban, T. S. Dyman, and K. W. Porter

2005

Article

Cretaceous Research 26(3):429-449

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Taxa discussed in this work:

• Clioscaphites saxitonianus
• Clioscaphites vermiformis
• Scaphites ventricosus

Taxonomy:

• Clioscaphites saxitonianus belongs to Clioscaphites - Cobban et al. (2005)
• Clioscaphites vermiformis belongs to Clioscaphites - Cobban et al. (2005)