| 湖北长阳上泥盆统黄家磴组叶肢介和孢子 |
| 点此下载全文 |
| 引用本文：刘淑文,高联达.1985.湖北长阳上泥盆统黄家磴组叶肢介和孢子[J].地球学报,7(1):113-127. |
| DOI： |
| 摘要点击次数: 4556 |
| 全文下载次数: 4836 |
|
|
| 中文摘要:鄂西地区泥盆纪地层分布广泛,剖面完好,化石丰富,是我国晚泥盆世早期黄家磴阶建阶地区。 泥盆纪叶肢介化石在国外有少数报道,在我国除晚泥盆世晚期有报导外,晚泥盆世早期至今没有发现和报导。因此,鄂西地区上泥盆统下部黄家磴组叶肢介化石的首次发现,不仅对于研究叶肢介的演化。地层时代和地理分布有重要意义,而且对丰富黄家磴组生物内容也是重要的。 黄家磴组化石孢子十分丰富,计30余属,70余种、由于篇幅所限,仅部分予以报道,特别有意义的是在叶肢介化石同一标本所发现的孢子,对于沉积环境、动植物群之间的关系等研究提供了线索,并且增添了新内容。 |
| |
| CONCHOSTRACANS AND SPORES OF UPPER DEVONIAN HUANGJIADENG FORMATION IN HUBEI PROVINCE |
|
|
| Abstract:This paper describes Conchostracans and Spores from the Late Devonian Huangjiadeng Formation in Majinggang, Luoyuanshan, Changyang district, Hubei Province.The Conchostracan assemblage includes 3 genera, 2 subgenera and 6 species (All species being newly erected) as follows:Palaeolimnadia changyangensis Liu (sp. nov.)P. louyanshanensis Liu (sp. nov.)P. atava Liu (sp. nov.)Palaeolimnadiopsis changyangensis Liu (sp. nov.)Ulugkemia (Ulugkemia) changyangensis Liu (sp. nov.)Ulugkemia (Tjulbaria) hubeiensis Liu (sp. nov.)Two genera, Palaeolimnadia and Palaeolimnadiopsis, are known to be of world wide distriction, and range from Devonian to Cretaceous in age. Genus Ulugkemia was first found in the Middle Devonian (Givetian Stage)of U. S. S. R.The Spore assemblage contains 23 genera and 37 species, including 6 new species and 6 new combination. This assemblage is characterized by the development of Samarisporites concinnus, S. triangulatus, Apiculiretusispora granulata, Verruciretusispora magnifica magnifica, Geminospora regularis, Grandispora eximius, G. krestovinikovii, G. medius, G. mesodevonicus, Discernis-porifes micromanifestus, Hymenozonotriletes turbinatus, Perotriletes aculeatus, Ancyrospora melvilensis and Hystricosporites devonicus etc.This assemblage may be roughly correlated with the Frasnian spores of Canada, Spitsbergen, U. S. S. R. and North American.Associated with the present Conchostracans and Spores are typical Late Devonian plants such as Leptopkloeum rhombicum Dawson and Cyclostigma kiltorkense Haughton. |
| 查看全文 查看/发表评论 下载PDF阅读器 |
|
|
|
|
|
