Synovial-Fluid
发表于 2025-3-25 06:39:51
Die Grund- und Endprobleme der Erkenntnisnge of variation in these features among spores obtained from different specimens of the same cone species, and even from the same cone specimen, suggest that a clearcut division of species within the dispersed spore genus . is not possible. Caution should be used in making stratigraphic determinati
使尴尬
发表于 2025-3-25 10:45:04
https://doi.org/10.1007/978-3-658-07581-1(Brongniart) Sternberg, . Sternberg, . Sternberg, and . Weiss compose nearly 25% of the flora. Few Lyginopterid elements have been encountered. Calamitean components are relatively abundant in the forms of . Sternberg, . Brongniart, and . Suckow, while Sphenophyllalean taxa are rare. Isolated sporop
Debate
发表于 2025-3-25 14:29:19
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Bravado
发表于 2025-3-25 18:31:51
Zyklus- und Ovulationsstörungene of grains will produce a “constructive” micrite envelope, which differs from the envelopes produced by the boring — infilling mechanism described by Bathurst, by forming entirely on the grain exterior. The process of constructive envelope formation can be geologically rapid, occurring within a few
Barrister
发表于 2025-3-25 22:09:20
Anatomie von Bauchwand und Brustic province within which maize agriculture had previously been practical, to an even more northerly position, opening a new and hospitable ‘frontier’..The sociological implications of the settlement-subsistence shift from seasonally wandering bands of hunters, gatherers, and fishers to larger social
合唱团
发表于 2025-3-26 04:09:07
Bert Hölldobler,Christina Kwapichhernmost extension of these genera during late-Wisconsin time. These genera are well documented next in the Massachusetts region. Then their distribution appears to spread out into Nova Scotia, Quebec, and the Great Lakes region. It appears that the Appalachian Mountains were an important barrier to
截断
发表于 2025-3-26 05:07:43
Late Pleistocene and Postglacial Plant Communities of the Great Lakes Region,rests which is remarkably consistent throughout the region. Migration routes were influenced by both physiographic (Appalachians, Great Lakes) and climatic factors. The spread of . and . to their present ranges in glaciated areas is re-examined; additional detailed radiocarbon-dated analyses are req
红润
发表于 2025-3-26 09:43:57
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节约
发表于 2025-3-26 14:55:55
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Limited
发表于 2025-3-26 18:41:42
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