Eldonia
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- And Sequence Stratigraphy of the Middle Cambrian Spence Shale of Northern Utah and Southern Idaho
- Genetics, Paleontology, and Macroevolution; Second Edition
- Ordovician of the World
- WONDERFUL LIFE the Burgess Shale and Lhe Nature of Hislory
- Disc-Shaped Fossils Resembling Porpitids Or Eldonids from the Early Cambrian (Series 2: Stage 4) of Western U.S.A
- 36161538.Pdf
- United States Department of the Interior Geological Survey Short Papers For
- Two Schools of Evolutionary Thought
- Resolution of the Earliest Metazoan Record Differential Taphonomy Of