Cretaceous microplankton from Senegal basin, N.W. Africa.1 Some new genera, species and combinations of diniflagellates.
Cretaceous microplankton from Senegal basin, N.W. Africa.1 Some new genera, species and combinations of diniflagellates.
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DOI：
10.54991/jop.1971.884
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发表时间：
1971-12
期刊：
影响因子：
--
通讯作者：
K. Jain;P. Millepied
中科院分区：
文献类型：
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作者：
K. Jain;P. Millepied
本文给出了作者对非洲西北部塞内加尔盆地白垩纪(Barremian-Maestrahtian)层序中微型浮游生物的初步研究结果。在本文中，只考虑了一些非表列的甲藻化石。它们分别属于5属(2新种)、12种(均为新种)和8种组合(均为新种)。讨论了早白垩世粉尘草属的所有种的地位，并建议将它们分离为一个单独的属。这些化石的地层重要性也被揭示出来，并指出Deflandrea可被视为上白垩统第三系的一个属。
Preliminary results of authors' study of the microplankton in Cretaceous (Barremian-Maestrichtian) sequence of Senegal Basin, N.W. Africa, are given. In the present article only some non-tabulate fossil dinoflagellates are considered. They are assigned to five genera (two new), twelve species (all new) and eight combinations (all new). The status of all the Lower Cretaceous species of the genus Deflandrea is discussed and it is suggested that they be segregated as a separate genus. The stratigraphic importance of these fossils has also been brought to light with the remark that Deflandrea can be treated as an Upper Cretaceous Tertiary genus.