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Palmer, Allison Ralph, 1927-. Early and Middle Cambrian Trilobites From Antarctica. Allison Raplh Palmer, Colin G. Gatehouse. In Geological Survey Professional Paper 456-D , Geological Survey Professional Paper 456-D. 456-D Biostratigraphy and regional significance of nine trilobite faunules from Antarctic outcrops and moraines; 28 species representing 21 genera described Geological Survey Profesional paper. 60 s. : .
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