密勒始鳄属(学名:Millerosaurus)是种史前爬行动物,属于无孔亚纲的米勒古蜥科,生存于二叠纪晚期(长兴阶)的南非[1]。
不同于其他无孔类,密勒始鳄的头颅骨两侧有洞孔,位于眼眶后方。它们的体型平坦,尾巴长,头颅骨呈三角形(约2吋长),眼眶大。密勒始鳄的外表类似现代蜥蜴,被推测可能以昆虫为食[2][3]。
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