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古窗龙属

古窗龙属
化石时期:312–304 Ma
古窗龙的想像图
科学分类 编辑
界: 动物界 Animalia
门: 脊索动物门 Chordata
纲: 爬行纲 Reptilia
演化支 真爬行动物 Eureptilia
属: 古窗龙属 Paleothyris
Carroll, 1969
模式种
阿卡迪亚古窗龙
Paleothyris acadiana

Carroll, 1969
头骨重建图

古窗龙属(属名:Paleothyris)又名古单弓兽,是小型、灵活、外表类似蜥蜴爬行动物,生存于石炭纪晚期(中宾夕法尼亚纪)的加拿大新斯科细亚,约3亿1200万到3亿400万年前,是已知最古老的羊膜动物之一。古窗龙拥有锐利的牙齿与大型眼睛,意味牠们是夜间猎食者。牠身长大约30公分。牠们可能以昆虫以及其他共同生存于同一林层发现的小型动物为食。古窗龙是种早期爬行动物,仍然拥有某些原始特征,较类似四足类动物而非爬行动物,尤其是头颅骨缺乏颞颥孔,颞颥孔出现在现代爬行动物与其他动物上。


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古窗龙属
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