扭月貝屬
扭月貝屬 化石時期：
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|---|---|
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| Strophomena costellata | |
科學分類 
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| 界： | 動物界 Animalia |
| 門： | 腕足動物門 Brachiopoda |
| 綱： | †扭月貝綱 Strophomenata |
| 目： | †扭月貝目 Strophomenida |
| 科： | †扭月貝科 Strophomenidae |
| 亞科： | †扭月貝亞科 Strophomeninae |
| 屬： | †扭月貝屬 Strophomena Rafinesque & De Blainville, 1825 |
| 模式種 | |
| Strophomena rugosa Hall, 1847
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| 種 | |
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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
[編輯]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]
下屬物種
[編輯]- 本屬包括以下亞屬：
- Strophomena (Actinomena) Opik, 1930
- Strophomena (Strophomena) Rafinesque & De Blainville, 1824
- Strophomena (Tetraphalerella) Wang, 1949
本屬包括以下物種：[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
[編輯]- ^ 1.0 1.1 Walker, Cyril; Ward, David. Fossils. Smithsonian Handbooks revised, illustrated. Dorling Kindersley. 2002: 88. ISBN 0789489848.
- ^ Fossilworks: Strophomena. [2018-02-15]. （原始內容存檔於2016-03-04） （英語）.
外部連結
[編輯]- Strophomena in the Paleobiology Database