钵水母纲

缽水母綱
化石时期： Fortunian 至 現在[1]
Cephea cephea
科学分类 编辑
界： 动物界 Animalia
门： 刺胞動物門 Cnidaria
亚门： 水母亞門 Medusozoa
纲： 缽水母綱 Scyphozoa
Götte, 1887
目

見內文

钵水母纲（學名：Scyphozoa）是刺胞动物门的一个纲[2]。例如水母、海蜇、海月水母、霞水母等。 這類水母早在寒武紀就已出現，直到現在[1]。

語源

钵水母纲的學名Scyphozoa源於古希臘語的skyphos（σκύφος），意思就是杯狀的物品。

特征

一类不具缘膜的大型水母。伞缘缺裂呈瓣状，胃腔中有满生刺细胞的胃丝。

一般有营裂体的无性生殖世代（附着的水螅体钵形，构造近似海葵）和雌雄交配的有性世代（游泳的水母体伞形，由其内胚层产生生殖细胞）交相更迭的世代交替现象。

分類

钵水母纲有：

錐石目（Conulariida）是一個化石分類單元，可能也是缽水母綱的成員，但其從屬具廣泛爭議。

下属分类

本纲包括以下目：

目的地位未定的科：
目、科的地位未定的属：

圖片

參考資料

  1. ^ 1.0 1.1 Liu, Yunhuan; Shao, Tiequan; Zhang, Huaqiao; Wang, Qi; Zhang, Yanan; Chen, Cheng; Liang, Yongchun; Xue, Jiaqi. A new scyphozoan from the Cambrian Fortunian Stage of South China. Palaeontology. 2017-06-04, 60 (4): 511–518. doi:10.1111/pala.12306 （英语）. 
  2. ^ Dawson, Michael N. The Scyphozoan. [2008-08-11]. （原始内容存档于2019-10-28）. 
  3. ^ Sun Wei-Guo (1986) Late Precambrian scyphozoan medusa Mawsonites randellensis sp. nov. and its significance in the Ediacara metazoan assemblage, South Australia, Alcheringa: An Australasian Journal of Palaeontology, 10:3, 169-181, DOI: 10.1080/03115518608619152
  • 任淑仙. 无脊椎动物学 上 （中文（简体））. 

外部链接

维基共享资源上的相关多媒体资源：钵水母纲

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