Project 5328: J.M. Adrain, S.R. Westrop, E. Landing, R. A. Fortey. 2001. Systematics of the Ordovician trilobites Ischyrotoma and Dimeropygiella, with species from the type Ibexian area, western U.S.A. Journal of Paleontology. 75 (5):947-971.
This project has 1 media view.
Display media views beginning with: w 
whole specimen (fossil)