初步研究表明,留茶坡组中部黑色页岩中化石呈炭质压膜状保存,主要包括长绳状或带状宏观藻:Chenlidenella spiralis gen.et sp.nov.,Longifuniculum dissutum Steiner,Erdtmann and Chen,1992, Longitaenina triphyllus gen. et sp. nov....初步研究表明,留茶坡组中部黑色页岩中化石呈炭质压膜状保存,主要包括长绳状或带状宏观藻:Chenlidenella spiralis gen.et sp.nov.,Longifuniculum dissutum Steiner,Erdtmann and Chen,1992, Longitaenina triphyllus gen. et sp. nov., L. rhodina gen. et sp. nov., L. laceolatus gen. et sp. nov.;直立不分枝的管状宏观藻Longfengshania elongata Duan et Du,1985, L. elliptic-ulum sp. nov, Paralongfengshania oblong sp. nov. Miaohenella hunanensis（Steiner, Erdtmann and Chen,1992）, M. rhomba Ding,1996, M. taenina sp. nov., Cystoculum catenuatus gen. et sp. nov.;末端存在二歧式分叉的丝状宏观藻:Sectoralga bibarbatus sp. nov., S. typica Hu,1996,S. capillaceus sp. nov., S. umbellulata Hu,1996和水母状化石Taoyuania ovatoides gen. et sp. nov., Liaonanella giganta sp. nov., Wulingshania canopse gen. et sp. nov.及蠕虫状化石 Wenshanwania simplex gen. et sp. nov.等。从地层对比上看,上述化石可能与伊迪卡拉动物群为同一时期的产物。晚震旦世晚期留茶坡组中类水母化石的出现是我国晚震旦世生物演化史上一次重要事件,以类水母等软躯体动物和高分异度的宏观藻类?展开更多
Microtubular metazoan fossils with multi- branches are found at least 4 times from the Sinian (Ediacarian) Doushantuo Formation at Weng’an, Guizhou, China. Their living mode should be the benthonic colony with higher...Microtubular metazoan fossils with multi- branches are found at least 4 times from the Sinian (Ediacarian) Doushantuo Formation at Weng’an, Guizhou, China. Their living mode should be the benthonic colony with higher ability of asexual re- production. The inner of the tube with cross-walls and chamber shows that these fossils are basal or stem- group cnidarians, similar to extinct tabulates. The multi-branching microtubular fossils are real meta- zoan found from Weng’an biota, which is very im- portant for studying the origin and evolvement of metazoan.展开更多
文摘初步研究表明,留茶坡组中部黑色页岩中化石呈炭质压膜状保存,主要包括长绳状或带状宏观藻:Chenlidenella spiralis gen.et sp.nov.,Longifuniculum dissutum Steiner,Erdtmann and Chen,1992, Longitaenina triphyllus gen. et sp. nov., L. rhodina gen. et sp. nov., L. laceolatus gen. et sp. nov.;直立不分枝的管状宏观藻Longfengshania elongata Duan et Du,1985, L. elliptic-ulum sp. nov, Paralongfengshania oblong sp. nov. Miaohenella hunanensis（Steiner, Erdtmann and Chen,1992）, M. rhomba Ding,1996, M. taenina sp. nov., Cystoculum catenuatus gen. et sp. nov.;末端存在二歧式分叉的丝状宏观藻:Sectoralga bibarbatus sp. nov., S. typica Hu,1996,S. capillaceus sp. nov., S. umbellulata Hu,1996和水母状化石Taoyuania ovatoides gen. et sp. nov., Liaonanella giganta sp. nov., Wulingshania canopse gen. et sp. nov.及蠕虫状化石 Wenshanwania simplex gen. et sp. nov.等。从地层对比上看,上述化石可能与伊迪卡拉动物群为同一时期的产物。晚震旦世晚期留茶坡组中类水母化石的出现是我国晚震旦世生物演化史上一次重要事件,以类水母等软躯体动物和高分异度的宏观藻类?
基金supported by the National Natural Science Foundation of China(Grant No.440272015)the China Geology Survey(Grant No.1212010511607)0pen Laboratory of Chinese Academy of Geological Sciences(Grant No.KL05-4).
文摘Microtubular metazoan fossils with multi- branches are found at least 4 times from the Sinian (Ediacarian) Doushantuo Formation at Weng’an, Guizhou, China. Their living mode should be the benthonic colony with higher ability of asexual re- production. The inner of the tube with cross-walls and chamber shows that these fossils are basal or stem- group cnidarians, similar to extinct tabulates. The multi-branching microtubular fossils are real meta- zoan found from Weng’an biota, which is very im- portant for studying the origin and evolvement of metazoan.
