Pagiophyllum HEER , 1881
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https://doi.org/10.2478/if-2018-0019 |
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https://treatment.plazi.org/id/0227EE3A-684C-FFAD-95CB-22FFFA68FE5C |
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Felipe (2021-03-05 19:05:46, last updated by Plazi 2023-11-01 23:31:59) |
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Pagiophyllum HEER , 1881 |
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Fossil-Genus Pagiophyllum HEER, 1881
T y p e. Pagiophyllum crinicum (SAPORTA) HEER, 1881, p. 11, pl. 10, fig. 6 ≡ Pachyphyllum crinicum SAPORTA, 1873, p. 37.
N o t e. The material described here is preliminarily assigned to the genus Pagiophyllum . It shows that genus’s principal diagnostic characters: helically arranged leaves in which length exceeds their width ( Harris 1969). It differs from Geinitzia ENDL. and Elatides HALLE in lacking any reproductive structure. From Cunninghamites C.PRESL it differs in having leaves triangular in cross-section, usually falcate and lacking the conspicuous leaf base cushion and corresponding scar ( Kvaček 1999, Bosma et al. 2012).
Bosma, H. F., Kunzmann, L., Kvacek, J., van Konijnenburgvan Cittert, J. H. A. (2012): Revision of the genus Cunninghamites (fossil conifers), with special reference to nomenclature, taxonomy and geological age. - Review of Palaeobotany and Palynology, 182: 20 - 31 https: // doi. org / 10.1016 / j. revpalbo. 2012.06.004
Harris, T. M. (1969): Naming of fossil conifer. - In: Santarau, H., Ghosh, A. K., Roy, S. K., Chanda, S., Chaudhuri, S. K. (eds), J. Sen Memorial Volume. Botanical Society of Bengal, Calcutta, pp. 243 - 252.
Heer, O. (1881): Contributions a la flore fossile du Portugal. - Comissao dos Trabalhos Geologicos de Portugal, Lisboa, 51 pp.
Kvacek, J. (1999): Two conifers (Taxodiaceae) of the Bohemian Cenomanian (Czech Republic, Central Europe). - Acta Palaeobotanica, Supplement 2: 129 - 151.
Saporta, G. de (1873): Notice sur les plantes fossils du niveau des lits a poissons de Cerin. - In: Thiolliere, F. V. (ed.), Description des poissons fossiles provenant des gisements coralliens du Jura dans le Bugey (Seconde livraison). H. Georg, Lyon, F. Savy, Paris, pp. 27 - 41.
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