戟貝屬

戟貝屬（學名：）是戟貝科Chonetinae亞科下已滅絕的一個屬，生存於晚奧陶紀至中侏羅紀，生活在海底鬆軟的石灰泥基層上。

特徵 
這類腕足動物的體型相對較小，殼的外廓為半圓形並有長長的鉸鍊，鉸鍊延伸形成耳狀骨。腳狀瓣凸起，臂狀瓣從扁平到微凹入的均有。其內部的牙與眼窩很不發達。腳狀瓣上有一條薄薄的隔膜位於中間，沿著明顯的兩裂片肌肉瘢痕生長著。臂狀瓣也有一條位於中間的隔膜，分為前後兩個肌肉瘢痕。兩瓣均有凹痕，其狹窄的中間地帶長有翅脈和很小的殼針。

物種 
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

參考文獻

外部連結 
 Chonetes in the 

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