環蛸枕
環蛸枕屬 | |
---|---|
科学分类 | |
界: | 动物界 Animalia |
门: | 棘皮动物门 Echinodermata |
纲: | 海膽綱 Echinoidea |
目: | 蝟團目 Spatangoida |
科: | 裂星海膽科 Schizasteridae |
属: | †环蛸枕属 Linthia Desor, 1853 |
種 | |
見內文 |
環蛸枕(學名:Linthia),又名林西海膽,是一屬已滅絕的海膽。牠們生存於晚白堊紀至上新世。其化石分佈在非洲、亞洲、歐洲、北美洲及南美洲。[1]
特徵
環蛸枕是一種很小、緊密的心海膽,在其前端有很突出的深凹口,線條分明的花瓣狀步帶長有孔。頂盤上四個大生殖孔用於排放卵和精子。牠們生活在鬆軟沉積的洞穴裡。[2][3]
物種
- Linthia aguayoi Sánchez Roig, 1949
- Linthia alta Sánchez Roig, 1949
- Linthia arabica Clegg, 1933
- Linthia atolladosae Sánchez Roig, 1951
- Linthia avilensis Sánchez Roig, 1949
- Linthia balboi Airaghi, 1939
- Linthia boreasteria Nisiyama, 1968
- Linthia brodermanni Sánchez Roig, 1949
- Linthia bulgarica Gocev, 1933
- Linthia caraibensis Jeannet, 1928
- Linthia cretacica Sánchez Roig, 1949
- Linthia dainellii Stefanini, 1928
- Linthia darderi Lambert, 1935
- Linthia desioi Airaghi, 1934
- Linthia garciai Sánchez Roig, 1952
- Linthia gibba Lambert, 1933
- Linthia gonzalezmunozi Sánchez Roig, 1952
- Linthia hanoverensis Kellum, 1926
- Linthia hargeisensis Currie, 1943
- Linthia heimei Jeannet, 1936
- Linthia hollandi Barry, 1942
- Linthia maverickensis Gardner, 1933
- Linthia mortenseni Checchia-Rispoli, 1950
- Linthia mullerriedi Lambert, 1935
- Linthia obesa Arnold & H.L. Clark, 1934
- Linthia praenipponica Nagao, 1928
- Linthia pseudoglobalis Thirring, 1936
- Linthia rolandi Castex, 1930
- Linthia somaliensis Currie, 1927
- Linthia suitensis Jeannet, 1936
- 台灣林西海膽 Linthia taiwanensis Hayasaka, 1948
- Linthia trechmanni Hawkins, 1924
- Linthia yessoensis Minato, 1950
參考文獻
- ^ Linthia (页面存档备份,存于互联网档案馆) in the Paleobiology Database
- ^ Cyril Walker; Davod Ward. 自然珍藏系列──化石圖鑑. 自然珍藏系列. 台灣新北市: 貓頭鷹出版社. 2002-02: 183 (中文(繁體)).
- ^ Walker, Cyril; Ward, David. Fossils. Smithsonian Handbooks revised, illustrated. Dorling Kindersley. 2002: 183. ISBN 0789489848.