Burgess Shale Geoscience Foundation - Ogygopsis is one of the most common fossils found in the Mt. Stephen Trilobite beds, but surprisingly rare in Cambrian faunas elsewhere. . . . . . #
Geology of the Mount Stephen Trilobite Beds and Adjacent Strata. Field, B.C., Yoho National Park - Exploration Ramifications fro
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Mount Stephen Trilobite Beds - The Burgess Shale Geoscience Foundation, Field Traveller Reviews - Tripadvisor
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