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首页> 外文会议>International Symposium on Fossil Cnidaria and Porifera >Palaeoecology of the late Visean (Dinantian) coral-chaetetid biostrome at Little Asby Scar (Cumbria, Great Britain)
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Palaeoecology of the late Visean (Dinantian) coral-chaetetid biostrome at Little Asby Scar (Cumbria, Great Britain)

机译：宫殿古老患者（少女）珊瑚曲霉生物科学的古生学（Cumbria，英国）

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An Upper Visean (Dinantian) coral-chaetetid sponge biostrome is described from the basal bed of the Potts Beck Limestone at Little Asby Scar, northern England. The biostrome most probably represents the shallowest phase of a shallow-water succession. Chaetetid-dominated facies alternate with coral-dominated facies both horizontally and vertically. The number of organisms in situ is highest in the chaetetid-dominated facies (-30%), whereas the coral-dominated facies consists mainly of Siphonodendron debris (-95%). These Siphonodendron debris layers provided the hard substrate for chaetetid sponge growth. Considerable vertical variations also include the distribution of syringoporid corals and heterocorals. The biostrome is classified as a polyspecific parabiostrome according to its composition and the abundance of intact organisms. It displays a complex development with autochthonous growth of chaetetid sponges and few Siphonodendron colonies, and imported Siphonodendron debris. The biostrome lacks rigidity because the absence of encrusting organisms prevented development of a framework; superstratal growth seems not to be developed.
机译：上验验验验（尼梦）珊瑚曲调海绵生物科动物来自Potts Beck Limestone的Bastal Beck Limestone，北部的北部。生物组织最大可能代表浅水连续的最浅阶段。 Chaetetid-Cominated相片与珊瑚主导的相片均为水平和垂直交替。原位生物的数量在chaetetid为主的相（-30％）最高，而珊瑚为主的相主要由Siphonodendron碎片（-95％）。这些SiphoNodendron碎片层提供了硬质基质，用于Chaetetid海绵生长。相当大的垂直变化还包括脊髓囊泡和杂循环的分布。生物组织根据其组成和完整生物的丰富分类为多种辅助体。它显示了复杂的开发，具有Chaetetid海绵和少数Siphonodendron Colonies的自身加重生长，并进口梭氏菌碎片。生物组织缺乏刚性，因为没有镶嵌生物阻止框架的发展;超空间增长似乎不开发。

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