無窗貝屬（學名：Athyris）是無窗貝科無窗貝亞科下已滅絕的一個屬，生存在早泥盆紀至三疊紀的海洋中，具有近乎相等的雙凸外殼，一般寬度較長度大。
和本屬相關的屬有Alverezites、Bruntonites和Meristospira。
物種
- Athyris (Cliothyris) King, 1850
- Athyris ambiguaeformis Waagen, 1883
- Athyris angulata Mansuy, 1912
- Athyris bisulcata Jin & Hu, 1982
- Athyris cestriensis Snider, 1915
- Athyris concentrica von Buch, 1834
- Athyris damesi Fliegel, 1901
- Athyris globularis Phillips, 1835
- Athyris mirabilis Zeng & al., 1995
- Athyris plicatiformis Jin & Hu, 1982
- Athyris spiriferoides Eaton, 1831
- Athyris subquadrata Yang & Xu, 1966
- Athyris sulcata Yang & Xu, 1966
- Athyris xetra Diener, 1915
無窗貝屬下的有些物種現時已被置入其他的屬。[1]
- A. aliena = Septathyris aliena
- A. headi = Catazyga headi
- A. megalotis = Comelicania megalotis
- A. peracuta = Janiceps peracuta
- A. royssii = Cleiothyridina royssii
- A. umbonata = Hindella umbonata
圖片
-
Athyris concentrica的腳狀瓣 -
Athyris concentrica的臂狀瓣 -
Athyris concentrica的前視圖 -
Athyris concentrica的後視圖 -
Athyris concentrica的側視圖
參考文獻
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