拟锥石属
拟锥石属![]() | |
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科学分类 ![]() | |
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 |
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见内文 |
拟锥石属(学名:Paraconularia)是钵水母纲锥石目下已灭绝的一属,生存于志留纪至三叠纪。[1]本属的物种生活在海洋中,利用其小底盘附著在海床上。[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,由磷酸盐和蛋白质等构成。[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
- ^ 1.0 1.1 Fossilworks: Paraconularia. [2017-11-10] (英语).[失效链接]
- ^ 2.0 2.1 Walker, Cyril; Ward, David. Fossils. Smithsonian Handbooks revised, illustrated. Dorling Kindersley. 2002: 44. ISBN 0789489848.
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