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戟贝属
戟贝科的一属腕足动物 来自维基百科，自由的百科全书
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戟贝属（学名：Chonetes）是戟贝科戟贝亚科下已灭绝的一个属，生存于晚奥陶纪至中侏罗纪，生活在海底松软的石灰泥质基层上。[1]
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特征
这类腕足动物的体型相对较小，壳为半圆形并有长长的铰线，铰线向左右延伸形成一对耳状突。腹壳凸起，背壳从扁平到微凹入的均有。内部的牙与眼窝很不发达。腹壳上有一条薄薄的、位于中间的隔片，沿着明显的两裂片肌肉瘢痕生长著。背壳也有一中间隔片，分为前后两个肌肉瘢痕。两壳均有凹痕，其狭窄的中间地带长有翅脉和很小的壳针。[1]
物种[2]
- Chonetes (Paeckelmannia)
- Chonetes baragwanathi Gill, 1949
- Chonetes burlingtonensis Weller, 1901
- Chonetes chamishkjensis Licharew, 1937
- Chonetes chaoi Licharew, 1937
- Chonetes cherokeensis Snider, 1915
- Chonetes chesterensis Weller, 1914
- Chonetes compressa Waagen, 1884
- Chonetes concentrica von Semenow, 1854
- Chonetes concentricus Davidson, 1863
- Chonetes deliciasensis King, 1931
- Chonetes flemingi Norwood and Pratten, 1855
- Chonetes foedus Talent, 1963
- Chonetes foshagi Cooper, 1953
- Chonetes geniculata White, 1862
- Chonetes glabra Geinitz, 1866
- Chonetes glenparkensis Weller, 1906
- Chonetes gregarius Weller, 1901
- Chonetes illinoisensis Worthen, 1860
- Chonetes logani Norwood & Pratten, 1855
- Chonetes mesoloba Norwood & Pratten, 1855
- Chonetes missouriensis Weller, 1914
- Chonetes moelleri Tschernyschew, 1902
- Chonetes monosensis Cooper, 1953
- Chonetes multicosta Winchell, 1863
- Chonetes obtusa Schellwien, 1892
- Chonetes oklahomensis Snider, 1915
- Chonetes ornata Shumard, 1855
- Chonetes pinegensis Kulikov, 2000
- Chonetes planumbona Meek & Worthen, 1860
- Chonetes posturalicus Ustritsky, 1963
- Chonetes pygmoideus Cooper 1957
- Chonetes rarispina Schellwien, 1892
- Chonetes semiovalis Waagen, 1884
- Chonetes shumardiana De Koninck, 1847
- Chonetes sichuanensis Zeng & al., 1995
- Chonetes sinuatus Krotow, 1885
- Chonetes squama Waagen, 1884
- Chonetes suavis Talent, 1963
- Chonetes timanica Tschernyschew, 1902
- Chonetes variolaris Keyserling, 1846
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参考文献
外部链接
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