小舌形貝屬

**小舌形貝屬**（學名：）是圓貨貝科下已滅絕的一個屬，生存在寒武紀至泥盆紀的海洋中，屬於較早期的腕足動物，行沙底掘穴或附生於伊爾東缽等浮游生物的方式生活。本屬化石廣見於世界各地寒武紀至中奧陶世的地層中，如加拿大中寒武世伯吉斯頁岩和美國上奧陶統等。

## 特徵
這種腕足動物的體型較小，殼瓣雙凸狀，凸起平緩，呈長卵形、闊卵形或近三角形，殼體薄，由磷酸鹽類組成，前緣一般呈寬圓狀，朝殼喙方向逐漸縮小，殼喙位於假鉸合面邊緣。兩瓣殼近相等，腹殼稍長且假鉸合面高，在假鉸合面頂端長有肉莖管。腹殼內可見盾狀肌肉瘢痕區，頂肌痕呈心形，中央肌痕則呈小的三角形，後側肌痕不明。背殼內有時可見一條狹窄的中脊。殼表面有同心狀飾紋，內層殼有放散狀花紋。

## 物種
**Lingulella agaue* Mergl & Kordule, 2008
**Lingulella alabamensis*
**Lingulella alata* Holmer, 1989
**Lingulella alia*
**Lingulella allani* Walcott, 1912
**Lingulella amabilis* Reed, 1917
**Lingulella angustata*
**Lingulella angustior* Reed, 1917
**Lingulella antiquissima* Jeremejew, 1856
**Lingulella arachne* Barrande, 1879
**Lingulella arctica* Walcott, 1924
**Lingulella arguta*
**Lingulella augusta*
**Lingulella afga*
**Lingulella bella*
**Lingulella bellisculpta* Clark, 1935
**Lingulella bohemica* Koliha, 1921
**Lingulella borealis*
**Lingulella brainerdi*
**Lingulella brevis* Portlock, 1843
**Lingulella bridgei*
**Lingulella bukovensis* Koliha, 1924
**Lingulella burnetensis*
**Lingulella buttsi*
**Lingulella bynguanoensis* Roberts, 1990
**Lingulella caelata*
**Lingulella carrickensis* Reed, 1917
**Lingulella chapa*
*澄江小舌形貝 *Lingulella chengjiangensis* Jin, Hou & Wang, 1993
**Lingulella chinchiaensis* Kobayashi, 1933
**Lingulella chinensis*
**Lingulella chuarensis*
**Lingulella circa* Xu & Liu, 1984
**Lingulella clarkei*
**Lingulella clivosa* Pelman, 1983
**Lingulella clochensis*?
**Lingulella columba*
**Lingulella concinna*
**Lingulella corralensis* Rusconi, 1950?
**Lingulella damesi*
**Lingulella davisii* McCoy, 1851
**Lingulella decorticata*
**Lingulella delgadoi*
**Lingulella derwentii* Postlethwaite, 1897
**Lingulella desiderata*
**Lingulella dimorpha*
**Lingulella displosa* Williams 1974
**Lingulella dotensis* Kobayashi, 1934
**Lingulella dusaaulti* Patte, 1929
**Lingulella dzhavodiensis* Sobolev, 1975
**Lingulella elata* Pelman, 1986
**Lingulella ellsi*
**Lingulella endopunctata*
**Lingulella eucharis* Resser, 1939
**Lingulella euglypha*
**Lingulella exilis*
**Lingulella exortiva*
**Lingulella expulsa* Barrande, 1879
**Lingulella fenxiangensis* Wang, 1978
**Lingulella ferox*
**Lingulella ferruginea* Salter in Salter & Hicks, 1867
**Lingulella fostermontensis*
**Lingulella franklinensis*
**Lingulella galba*
**Lingulella genei*
**Lingulella glypta*
**Lingulella grandis*
**Lingulella granvillensis*
**Lingulella haimantensis*
**Lingulella halei*
**Lingulella hatai*
**Lingulella havliceki* Mergl & Slehoferova, 1990
**Lingulella hayaeri*
**Lingulella hayesi*
**Lingulella hesperia* Williams & Curry, 1985
**Lingulella hilli*
**Lingulella hinganensis* Su, 1980
**Lingulella hitka*
**Lingulella howardi* Postlethwaite, 1897
**Lingulella hsiensis*
**Lingulella humaensis* Su, 1980
**Lingulella huronensis*
**Lingulella ibicus*
**Lingulella idahoensis* Resser, 1938
**Lingulella iddingsi*
**Lingulella ino*
**Lingulella insons Barr.*
**Lingulella intermedia* Liu, Zhu & Xue, 1985
**Lingulella irene*
**Lingulella iris*
**Lingulella jakutensis*
**Lingulella jerseyensis*
**Lingulella kalpinensis* Zhang, 1981
**Lingulella kanabensis* Resser, 1945
**Lingulella kanlingensis* Zhang, 1981
**Lingulella kayseri* Sun, 1923
**Lingulella kiddoi*
**Lingulella kingstonensis*
**Lingulella kitatiensis* Aksarina, 1978
**Lingulella lasherensis* Rusconi, 1951
**Lingulella lata* Koliha, 1924
**Lingulella lepis* Salter, 1866
**Lingulella libecovensis* Koliha, 1918
**Lingulella lineolata*
**Lingulella linguata* Pelman, 1977
**Lingulella lirata*
**Lingulella lithuanica* Korkutis, 1971
**Lingulella liui*
**Lingulella lochmanae*
**Lingulella longa*
**Lingulella longula*
**Lingulella major* Teixeira, Ribeiro & Silva, 1964
**Lingulella manchuriensis*
**Lingulella mania*
**Lingulella manticula*
**Lingulella marcia* Walcott, 1911
**Lingulella martillensis* Rusconi, 1952
**Lingulella matthewi* Koliha, 1921
**Lingulella mcconnelli* Walcott, 1889
**Lingulella mechos/nechos*
**Lingulella mehaeigueni* Legrand, 1974
**Lingulella miltoni*
**Lingulella minus*
**Lingulella minuscula* Sobolev, 1975
**Lingulella modesta* Lochman, 1940
**Lingulella montana* Fenton & Fenton, 1936
**Lingulella monticola*
**Lingulella moosensis<*
**Lingulella morsei*
**Lingulella mosia*
**Lingulella murcia var. templetonensis* Chapman, 1929
**Lingulella narrawayi*
**Lingulella nepos*
**Lingulella nerva*
**Lingulella nicholsoni* Callaway, 1877
**Lingulella nina*
**Lingulella nicholsoni* Callaway, 1877
**Lingulella paliformis*
**Lingulella parvula*
**Lingulella pela densis* Rusconi, 1951
**Lingulella pennsylvanica*
**Lingulella perattenuata*
**Lingulella petalon* Davidson, 1868
**Lingulella pingchouensis*
**Lingulella pingchouensis*
**Lingulella proveedorensis* Cooper, 1952/1954
**Lingulella putilla*
**Lingulella quadrilateralis*
**Lingulella quaestor* Reed, 1917
**Lingulella raymondi* Clark, 1924
**Lingulella remius/remus*
**Lingulella reticulata*
**Lingulella rideauensis*
**Lingulella rotunda* Pelman, 1977
**Lingulella rugosilinea*
**Lingulella sanfangensis*
**Lingulella sculptilis*
**Lingulella sequens*
**Lingulella shansiensis*
**Lingulella siliqua*
**Lingulella silurica* Yadrenkina, 1986
**Lingulella solitariensis* Rusconi, 1950
**Lingulella spicata*
**Lingulella spitiensis*
**Lingulella stonei*
**Lingulella ubdivisa* Rusconi, 1950
**Lingulella subfusula* Su, 1980
**Lingulella subparallela*
**Lingulella sufi* Mergl & Slehoferova, 1990
**Lingulella sulcata* Barrande, 1879
**Lingulella taijiangensis* Huang, Wang, Zhao & Dai, 1994
**Lingulella takayamai*
**Lingulella tangshihensias*
**Lingulella tarpa*
**Lingulella tenuitesta*
**Lingulella terranovica* Howell, 1943
**Lingulella texana*
**Lingulella texana*
**Lingulella thems mckeei* Resser, 1945
**Lingulella tomkolensis* Kobayashi, 1934
**Lingulella tsuchidai*
**Lingulella turneri*
**Lingulella variabilis* Pelman, 1977
**Lingulella variolata*
**Lingulella vermontensis*
**Lingulella virginiensis*
**Lingulella viridis* Cobbold, 1921
**Lingulella wanniecki*
**Lingulella waptaensis*
**Lingulella welleri*
**Lingulella wirthi*
**Lingulella wongi*
**Lingulella yabei*
**Lingulella yingtzuensie* Kobayashi, 1931
**Lingulella yongchengensis* Zeng, 1977
**Lingulella yuechiensis* Xu, 1978
**Lingulella zejszneri* Bednarczyk, 1960
**Lingulella zetus*
**Lingulella zeus*
**Lingulella zulupeana* Rusconi, 1954

### 重新分配的物種
以下的物種現時已被置入其他屬。
**L. acuminata* Walcott, 1908 = *[[Lingulepis|Lingulepis acuminata]]* Conrad
**L. acuta* Pelman, 1977
**L. acutangula* = *Lingulepis acutangulus* Roemer, 1849
**L. africana* Legrand, 1974

## 參考文獻

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