Cambrian Silicified Faunas: Notch Peak Formation
Ibex area, western Utah

  • Main Collaborator: Steve Westrop
• Adrain, J.M. & Westrop, S.R. (2006) Notchpeakia, a new genus of Upper Cambrian (Sunwaptan) "entomaspidid" trilobites. Journal of Paleontology, 80, 1152-1171.

• Adrain, J.M. & Westrop, S.R. (2005) Late Cambrian ptychaspidid trilobites from western Utah: implications for trilobite systematics and biostratigraphy. Geological Magazine, 142, 377-398.

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Trilobites from the Red Tops Member. "Bowmania", Euptychaspis, Eurekia, Saukiella
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Trilobites from the Lava Dam Member. Bayfieldia, Kathrynia, Stenopilus, Menisocoryphe