波角石
波角石属![]() 晚 | |
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来自马达加斯加阿尔布期地层的波角石化石 | |
科学分类 ![]() | |
界: | 动物界 Animalia |
门: | 软体动物门 Mollusca |
纲: | 头足纲 Cephalopoda |
目: | 鹦鹉螺目 Nautilida |
科: | †波角石科 Cymatoceratidae |
属: | †波角石属 Cymatoceras Hyatt, 1884 |
种 | |
见内文 |
波角石(学名:Cymatoceras)是一属已灭绝的鹦鹉螺类。它们可说是最常见的鹦鹉螺类化石之一,尤其以产于马达加斯加的波角石最为著名。[1]
特征
波角石的外壳上的肋纹和波状的缝合线和现生种的鹦鹉螺非常相似,但波角石的壳口形状较为浑圆,整体外观也更为圆滚一些。[2]
物种[3]
- Cymatoceras albense
- Cymatoceras atlas
- Cymatoceras bayfieldi
- Cymatoceras bifidum
- Cymatoceras bifurcatum
- Cymatoceras carlottense
- Cymatoceras cenomanense
- Cymatoceras colombiana
- Cymatoceras crebricostatum
- Cymatoceras deslongchampsianum
- Cymatoceras eichwaldi
- Cymatoceras elegans
- Cymatoceras hendersoni
- Cymatoceras hilli
- Cymatoceras honmai
- Cymatoceras hunstantonensis
- Cymatoceras huxleyanum
- Cymatoceras karakaschi
- Cymatoceras kayeanum
- Cymatoceras kossmati
- Cymatoceras loricatum
- Cymatoceras ludevigi
- Cymatoceras manuanensis
- Cymatoceras mikado
- Cymatoceras neckerianum
- Cymatoceras negama
- Cymatoceras neocomiense
- Cymatoceras pacificum
- Cymatoceras paralibanoticum
- Cymatoceras patagonicum
- Cymatoceras patens
- Cymatoceras perstriatum
- Cymatoceras picteti
- Cymatoceras pseudoatlas
- Cymatoceras pseudoelegans
- Cymatoceras pseudonegama
- Cymatoceras pseudoneokomiense
- Cymatoceras pulchrum
- Cymatoceras radiatum
- Cymatoceras renngarteni
- Cymatoceras sakalavum
- Cymatoceras sarysuense
- Cymatoceras savelievi
- Cymatoceras semilobatum
- Cymatoceras sharpei
- Cymatoceras tenuicostatum
- Cymatoceras tourtiae
- Cymatoceras tskaltsithelense
- Cymatoceras tsukushiense
- Cymatoceras virgatum
- Cymatoceras yabei
- Nautilus (Cymatoceras) formosus
- Nautilus (Cymatoceras) saussureanus
参考文献
- ^ Cymatoceras 波角石 (馬達加斯加) @ 菊海神遊 Swimming with Ammonites :: 痞客邦 ::. [2018-05-14] (中文(繁体)).
- ^ 馬達加斯加 波角石 (拋光二) Cymatoceras @ 菊海神遊 Swimming with Ammonites :: 痞客邦 ::. [2018-05-14]. (原始内容存档于2018-07-04) (中文(繁体)).
- ^ Fossilworks: Cymatoceras. [2018-05-14]. (原始内容存档于2016-03-07) (英语).
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