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拟锥石属

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拟锥石属
化石时期:志留纪三叠纪
科学分类 编辑
界: 动物界 Animalia
门: 刺胞动物门 Cnidaria
纲: 钵水母纲 Scyphozoa
目: 锥石目 Conulariida
科: 锥石科 Conulariidae
属: 拟锥石属 Paraconularia

见内文

拟锥石属学名Paraconularia)是钵水母纲锥石目英语Conulariida下已灭绝的一,生存于志留纪三叠纪[1]本属的物种生活在海洋中,利用其小底盘附着在海床上。[2]

特征

壳有四个面,呈圆锥状,其切面为菱形。四个面都朝上拱起,有间距很密的线,四面相交的四个角是窄小的V形裂片。壳很薄,由磷酸盐蛋白质等构成。[2]

物种[1]

  • Paraconularia acuminata
  • Paraconularia arctica
  • Paraconularia caledonica
  • Paraconularia derwentensis
  • Paraconularia kazanensis
  • Paraconularia laskeri
  • Paraconularia leonardensis
  • Paraconularia margaritae
  • Paraconularia matauraensis
  • Paraconularia nefarius
  • Paraconularia ornata
  • Paraconularia pulcheria
  • Paraconularia punjabica
  • Paraconularia qinglongensis
  • Paraconularia salaria
  • Paraconularia spatia
  • Paraconularia sueroi
  • Paraconularia tepuelensis
  • Paraconularia warthi
  • Paraconularia yichunensis
  • Paraconularia zhongyingensis

参考文献

  1. ^ 1.0 1.1 Fossilworks: Paraconularia. [2017-11-10] (英语). [失效链接]
  2. ^ 2.0 2.1 Walker, Cyril; Ward, David. Fossils. Smithsonian Handbooks revised, illustrated. Dorling Kindersley. 2002: 44. ISBN 0789489848.