430 _ 0
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Publ. (Society of Economic Paleontologists and Mineralogists. Permian Basin Section)
410 2 0
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Society of Economic Paleontologists and Mineralogists.
‡b
Permian Basin Section.
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Publication
410 2 0
‡a
Society of Economic Paleontologists and Mineralogists.
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Permian Basin Section.
‡t
Publication - Permian Basin Section, Society of Economic Paleontologists and Mineralogists