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库尼亚蜥属

库尼亚蜥属
化石时期:晚白垩世100–84 Ma
粗齿库尼亚蜥正模标本,由詹姆斯·埃克斯莱本绘于1850年
科学分类 编辑
界: 动物界 Animalia
门: 脊索动物门 Chordata
纲: 爬行纲 Reptilia
目: 有鳞目 Squamata
科: 伸龙科 Dolichosauridae
属: 库尼亚蜥属 Coniasaurus
Owen, 1850
  • 粗齿库尼亚蜥 C. crassidens
    Owen, 1850(模式种
  • 细齿库尼亚蜥 C. gracilodens
    Caldwell, 1999

库尼亚蜥学名Coniasaurus)是海生有鳞目灭绝的一个,生存于晚白垩世森诺曼阶桑托阶[1]其由理查德·欧文于1850年从东南英格兰萨塞克斯郡)森诺曼阶早期的白垩群英语Chalk Group沉积物中描述。[2][3]该属已有两个物种被描述:粗齿库尼亚蜥(C. crassidens 欧文,1850年)发现于东南英格兰、德国北美森诺曼阶至桑托阶的沉积物,细齿库尼亚蜥(C. gracilodens 卡德威尔,1999年)则来自森诺曼阶的东南英格兰[1]

库尼亚蜥仅根据不完整标本所描述,但已知其拥有相对较长的颅骨及特化的牙齿。[1]伸龙相比,其可能拥有短小的四肢及修长的颈部和身体。最大身长估计在0.5—1米(1.6—3.3英尺)之间。[3][4]

系统发育分析显示库尼亚蜥在蟒形类英语Pythonomorpha演化支中与沧龙超科互为姐妹群[5]

参考资料

[编辑]
  1. ^ 1.0 1.1 1.2 Shimada K. & Bell G.L.Jr. Coniasaurus Owen, 1850 (Reptilia: Squamata), from the Upper Cretaceous Niobrara Chalk of western Kansas. Journal of Paleontology. 2006, 80 (3): 589–593. doi:10.1666/0022-3360(2006)80[589:corsft]2.0.co;2. [永久失效链接]
  2. ^ Owen, R. (1850). Descriptions of the fossils of the Chalk Formation. Description of the fossil reptiles of the Chalk Formation. The Geology and Fossils of the Tertiary and Cretaceous Formations of Sussex 378-404
  3. ^ 3.0 3.1 Caldwell M.W. & Cooper J.A. Redescription, palaeobiogeography and palaeoecology of Coniasaurus crassidens Owen, 1850 (Squamata) from the Lower Chalk (Cretaceous; Cenomanian) of SE England (PDF). Zoological Journal of the Linnean Society. 1999, 127 (4): 423–452. doi:10.1111/j.1096-3642.1999.tb01380.x可免费查阅. 
  4. ^ Bardet, Nathalie. The Cenomanian-Turonian (late Cretaceous) radiation of marine squamates (Reptilia): the role of the Mediterranean Tethys. Bulletin de la Société Géologique de France. 2008, 179 (6): 605–623. doi:10.2113/gssgfbull.179.6.605. 
  5. ^ Caldwell M.A. Squamate phylogeny and the relationships of snakes and mosasauroids (PDF). Zoological Journal of the Linnean Society. 1999, 125 (1): 115–147. doi:10.1111/j.1096-3642.1999.tb00587.x可免费查阅. 
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库尼亚蜥属
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