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擬錐石屬

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擬錐石屬
化石時期:志留紀三疊紀
科學分類 編輯
界: 動物界 Animalia
門: 刺胞動物門 Cnidaria
綱: 缽水母綱 Scyphozoa
目: 錐石目 Conulariida
科: 錐石科 Conulariidae
屬: 擬錐石屬 Paraconularia

見內文

擬錐石屬學名Paraconularia)是缽水母綱錐石目英語Conulariida下已滅絕的一,生存於志留紀三疊紀[1]本屬的物種生活在海洋中,利用其小底盤附著在海床上。[2]

特徵

[編輯]

殼有四個面,呈圓錐狀,其切面為菱形。四個面都朝上拱起,有間距很密的線,四面相交的四個角是窄小的V形裂片。殼很薄,由磷酸鹽蛋白質等構成。[2]

物種[1]

[編輯]
  • 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

參考文獻

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