是限制
发表于 2025-3-26 23:25:31
R M Whiteside,J Forsyth,A Wilsone a glimpse into the lycopsid fossils from the Permian of Brazil. In this country, these plants have been reported from the Permian strata of the Parnaíba and Paraná basins. The Permian lycopsid fossil record of the Parnaíba Basin is scarce. For this basin, only a few axes classified as . were descr
清醒
发表于 2025-3-27 04:06:58
Major Financial Institutions of Europe 1993o Permian in deposits of the Itararé Group and Rio Bonito, Teresina and Rio do Rasto formations. The most frequent genera are ., ., ., and .. Together with important reproductive structures and other vegetative parts, these genera assist the reconstruction of past floristic scenarios as well in the
惊奇
发表于 2025-3-27 07:30:30
https://doi.org/10.1007/978-94-011-2240-5ts, and some other elements of the . Flora. In dozens of outcrops at the eastern border of the basin, the ferns are mostly preserved as pinnae adpressions. Sterile leaves that are assumed to be ferns can be classified as . and more rarely as .. Fertile leaf species belong to ., ., ., and “.-like” fe
皮萨
发表于 2025-3-27 11:59:33
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Amendment
发表于 2025-3-27 15:06:44
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苍白
发表于 2025-3-27 19:01:31
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周兴旺
发表于 2025-3-28 01:02:06
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冥想后
发表于 2025-3-28 06:07:41
R M Whiteside,A Wilson,C P Wilsonck succession of clastic red-beds, with rich tetrapod fauna accompanying them. These petrified forests attest that favorable climate and environmental conditions existed at this time interval that followed the Permian-Triassic global extinctions and preceded the breakup of Gondwana. The diversity of
Asperity
发表于 2025-3-28 06:35:26
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Lipoma
发表于 2025-3-28 13:44:22
R M Whiteside,A Wilson,C P Wilsonved Early Cretaceous fossils. Since then, numerous biota has been studied, including abundant plant remains, thus granting the status of a . to the formation. Despite the paleontological interest, it is known that the host rocks of fossils are more than just limestone, yet include marls, shales, san