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journalAt: Palaeontology, 47, 6 By: Glasspool I., Hilton J., Collinson M. E., Wang S.-J.
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journalAt: Paleontological Journal, 35, 4 By: Doweld A. B.
journalAt: Paleontologicheskii Zhurnal, 2001, 4 By: Doweld A. B.
journalAt: Review of Palaeobotany and Palynology, 93, 1-4 By: Li C.-S., Edwards D.
bookAt: Syst. Bot., Kjøbenhavn, P. G. Philipsens Vorlag, 3 By: Warming E.