Vein reticulation in seed ferns of the Dobrudzha coalfield Bulgaria
<p>Alethopteris, Lonchopteris, Paripteris, Linopteris and Reticulopteris are abundant pteridosperm fronds in the Pennsylvanian-age Dobrudzha Coalfield. The transition from fan-shape to reticulate veining in Lonchopteris, Linopteris and Reticulopteris and in Laveineopteris to Reticulopteris is...
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| 格式: | 文件 |
| 语言: | English |
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Croatian Geological Survey
2012-10-01
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| 丛编: | Geologia Croatica |
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| 在线阅读: | http://www.geologia-croatica.hr/ojs/index.php/GC/article/view/547 |