扭月贝属
|
|
Strophomena costellata
|
科学分类
|
界:
|
动物界 Animalia
|
门:
|
腕足動物門 Brachiopoda
|
纲:
|
†扭月貝綱 Strophomenata
|
目:
|
†扭月贝目 Strophomenida
|
科:
|
†扭月贝科 Strophomenidae
|
亚科:
|
†扭月贝亚科 Strophomeninae
|
属:
|
†扭月贝属 Strophomena Rafinesque & De Blainville, 1825
|
模式種
|
Strophomena rugosa
Hall, 1847
|
種
|
見內文
|
扭月貝屬(學名:Strophomena)是扭月貝科扭月貝亞科下已滅絕的一個屬,生存在奧陶紀至泥盆紀的海洋中。[1]
特徵
這種腕足動物的體型為中等大小,背殼凸起而腹殼凹入,殼體沿著鉸合線展開並達到最寬。背殼的內部有很發達的窩孔和一個供展肌肌肉附著的、從鉸合線上升起的突。肉莖孔很小,且被一骨板部分遮住。兩殼上均有纖細的肋紋,肋朝殼的前緣輻散。殼上的小孔說明牠們可任意平躺,休息時背殼朝下躺在鬆軟的沉積物中。[1]
下属物种
- 本属包括以下亚属:
本属包括以下物种:[2]
- Strophomena aesopea Barrande, 1879
- Strophomena arcuata Shaler, 1865
- Strophomena billingsi Winchell & Schuchert, 1893
- Strophomena cancellata Portlock, 1843
- Strophomena compressa Sowerby, 1823
- Strophomena concordensis Foerste, 1909
- Strophomena depressa Vanuxem, 1842
- Strophomena emaciata Winchell & Schuchert, 1892
- Strophomena filitexta Hall, 1847
- Strophomena folium Barrande, 1879
- Strophomena girvanensis Reed, 1944
- Strophomena grandes Okulitch, 1935
- Strophomena hollii Davidson, 1871
- Strophomena huronensis Foerste, 1912
- Strophomena incurvata Shephard, 1838
- Strophomena lata Spjeldnaes, 1957
- Strophomena magna Wilson, 1945
- Strophomena maysvillensis Foerste, 1909
- Strophomena nutans Hall & Clarke, 1892
- Strophomena occidentalis Foerste, 1912
- Strophomena pectenoides Andreeva, 1961
- Strophomena pectinoides Andreeva, 1961
- Strophomena planoconvexa Hall, 1847
- Strophomena planumbona Hall, 1847
- Strophomena plattinensis Fenton, 1928
- Strophomena rukavishnikovae Nikitina, 1985
- Strophomena satterfieldi Amsden, 1974
- Strophomena scofieldi Winchell & Schuchert, 1892
- Strophomena septata Winchell & Schuchert, 1892
- Strophomena trilobata Owen, 1852
- Strophomena vetusta James, 1874
參考文獻
外部連結
|