海神石
海神石(學名:)是生存於泥盆紀法門期的一屬菊石,為生活在海底的一類食肉動物。其外殼內旋,有寬闊、敞口的核心,表面光滑,有著模糊並微彎的生長線。腹面渾圓,骨縫單一。[2]
海神石属 化石时期:364.7–360.7 Ma 泥盆紀法門期 | |
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Clymenia laevigata | |
科学分类 | |
界: | 动物界 Animalia |
门: | 軟體動物門 Mollusca |
纲: | 頭足綱 Cephalopoda |
目: | †海神石目 Clymeniida |
科: | †海神石科 Clymeniidae |
属: | †海神石属 Clymenia Münster, 1834[1] |
種 | |
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物種[1]
- Clymenia laevigata Muenster, 1832
- Clymenia nana Munster, 1839
參考文獻
- . [2018-05-18]. (原始内容存档于2014-05-26) (英语).
- Walker, Cyril; Ward, David. . Smithsonian Handbooks revised, illustrated. Dorling Kindersley. 2002: 141. ISBN 0789489848.
參考書目
- Rocks, Minerals & Fossils of the World by Chris Pellant and Roger Phillips
- Treatise on Invertebrate Paleontology, Part L Ammonoidea; Geological Society of America and Univ of Kansas Press, 1964
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