擬阿加尼德角石(學名:Pseudaganides)是一屬已滅絕的鸚鵡螺類。牠們的化石主要產於歐洲等地,和同時期常見的新生角石相比之下較為罕見。[1]
特徵
擬阿加尼德角石和新生角石的外型十分相像,都擁有內旋的殼與平坦的腹側,體管較偏向腹面。兩者最顯著的差別為縫合線的差異,新生角石的縫合線側面為單純的弧線狀;而擬阿加尼德角石的縫合線側面則是呈現S型,氣室隔壁也更加扭曲。[1]
物種[2]
- 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
參考文獻
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