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Filters: Keyword is Trilobites--Collectors and collecting and Author is Westrop, S. R. [Clear All Filters]
Trilobite Biostratigraphy of the Stairsian Stage (upper Tremadocian) of the Ibexian Series, Lower Ordovician, Western United States. Memoirs of the Associaiton of Australasian Palaeontologists 45, 167–214., 2014.