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Review of family Entactiniidae (Radiolaria), and taxonomy and morphology of Entactiniidae in the late Devonian (Frasnian) Gogo formation, Australia

机译:回顾澳大利亚澳洲泥盆纪(Frasnian)Gogo组的Entactiniidae科(Radiolaria)以及Entactiniidae的分类学和形态

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摘要

This is the first of two publications dealing with a study of the family Entactiniidae and the taxonomy of a diverse assemblage of Late Devonian spumellarians. A well-preserved radiolarian fauna from the Gogo Formation, Western Australia, has made it possible to clarify the relation of the shell wall and internal structure in this family. The entactiniid shell is of two types: spongy and latticed. The former has apophyses on rays of the internal spicule, whereas those with latticed shells have an internal spicule without apo-physes. On the basis of the internal spicule structure the Entactiniidae can also be divided into four types: six-rayed spicule without a median bar, four-rayed spicule without median bar, six- to eight-rayed spicule with a median bar, and twelve- to twenty-rayed spicule with a median bar. The Gogo fauna includes more than 100 species. Entactiniids or taxa having characteristics similar to Entactiniidae are treated here. They comprise 17 genera and 72 species and subspecies, of which 13 genera and 66 species and subspecies are new. Bisphaera, Radiobisphaera, Plenoentactinia, Apophysisphaera, Retentactinia, Retisphaera, Spongosphaera, Duodecimentactiniaand Multientac-tinia belong to the Family Entactiniidae. Apophysiactinia, Magnisphaera, Magnentactinia, and Intracorpus, are of uncertain taxonomic position. Entactiniid genera of this fauna are tentatively classified into two subfamilies: Entactiniinae, which has a latticed shell(s) and lacks apophyses, and Retentactiniinae n. subfam., characterized by a spongy shell and possessing apophyses. Taxa belonging to subfamily Entactiniinae plus taxa having characteristics similar to Entactiniidae, and subfamily Retentactiniinae are described respectively in this paper and in a second paper in this volume (Won 1997).
机译:这是两本出版物的第一本,该出版物的内容涉及对Entactiniidae科的研究以及晚期泥盆纪浮游生物的各种分类的分类。来自西澳大利亚州Gogo组的保存完好的放射虫动物区系使得阐明该家族壳壁与内部结构的关系成为可能。触虫壳有两种类型:海绵状和格子状。前者在内部针刺的射线上有顶生菌,而那些有格子壳的动物在内部针刺上没有无顶生菌。根据内部针状结构,Entactiniidae也可分为四种类型:不带正中线的六线针,不带正中线的四线针,带中线的六至八线针和十二线形到带有中线的二十射线针。 Gogo动物区系包括100多种。在这里处理具有与Entactiniidae相似的特征的Entactiniids或类群。它们包括17属72种和亚种,其中13属66种是新的。双歧杆菌属,放射双歧杆菌属,Plenoentactinia,固朴属,Retentactinia,Retisphaera,海绵体,Duodecimentactinia和Multientac-tinia属于Entactiniidae科。垂体肌动蛋白,Magnisphaera,Magnentactinia和Intracorpus具有不确定的生物分类位置。该动物的昆虫纲属被暂时分为两个亚科:具有网状壳且缺乏附生菌的昆虫纲科和昆虫纲。亚家族,特征是海绵状的海绵,具有附生真菌。在本卷和本卷的第二篇论文中(Won 1997)分别描述了属于Entactiniinae亚科的类群和具有类似于Entactiniidae的特性的类群,以及Retentactiniinae的科。

著录项

  • 来源
    《Micropaleontology》 |1997年第4期|p.333-369|共37页
  • 作者

    Mun-Zu Won;

  • 作者单位
  • 收录信息 美国《科学引文索引》(SCI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 古生物学;
  • 关键词

  • 入库时间 2022-08-18 00:59:14

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