拟阿加尼德角石
拟阿加尼德角石（学名：Pseudaganides）是一属已灭绝的鹦鹉螺类。它们的化石主要产于欧洲等地，和同时期常见的新生角石相比之下较为罕见。[1]
拟阿加尼德角石属 化石时期：侏罗纪
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科学分类 
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| 界： | 动物界 Animalia |
| 门： | 软体动物门 Mollusca |
| 纲： | 头足纲 Cephalopoda |
| 目： | 鹦鹉螺目 Nautilida |
| 科： | †拟鹦鹉螺科 Pseudonautilidae |
| 属： | †拟阿加尼德角石属 Pseudaganides Spath, 1927 |
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特征 编辑
拟阿加尼德角石和新生角石的外型十分相像，都拥有内旋的壳与平坦的腹侧，体管较偏向腹面。两者最显著的差别为缝合线的差异，新生角石的缝合线侧面为单纯的弧线状；而拟阿加尼德角石的缝合线侧面则是呈现S型，气室隔壁也更加扭曲。[1]
物种[2] 编辑
- Pseudaganides aganiticus
- Pseudaganides ammoni
- Pseudaganides argoviensis
- Pseudaganides bodeni
- Pseudaganides brunhuberi
- Pseudaganides crassisinuatus
- Pseudaganides drepanensis
- Pseudaganides duilii
- Pseudaganides franconicus
- Pseudaganides frickensis
- Pseudaganides girardoti
- Pseudaganides gravesianus
- Pseudaganides helveticus
- Pseudaganides klebelsbergi
- Pseudaganides kochi
- Pseudaganides krenkeli
- Pseudaganides ledonicus
- Pseudaganides oppeli
- Pseudaganides portlandicus
- Pseudaganides pulchellus
- Pseudaganides roemeri
- Pseudaganides rogeri
- Pseudaganides royeri
- Pseudaganides schlosseri
- Pseudaganides schlotheimi
- Pseudaganides schneidi
- Pseudaganides schwertschlageri
- Pseudaganides strambergensis
- Pseudaganides stromeri
- Pseudaganides tubingensis
- Pseudaganides tukeryi
参考文献 编辑
- ^ 1.0 1.1 Pseudaganides 擬阿加尼德角石 (法國) @ 菊海神遊 Swimming with Ammonites :: 痞客邦 ::. [2018-05-16] （中文（繁体））.
- ^ Fossilworks: Pseudaganides. [2018-05-16] （英语）.[失效链接]