The genus Vesperispira (Gastropoda: Pleurotomarioidea) from the Permian of two displaced terranes, western United States

T. E. Yancey, E. E. Strong, and R. A. Hanger

2000

Article

Journal of Paleontology 74(4):741-744

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Taxa discussed in this work:

• Vesperispira
• Vesperispira humboldtiana

Taxonomy:

• Vesperispira humboldtiana belongs to Vesperispira - Yancey et al. (2000)