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单词 Procolophon
释义

Procolophon

中文百科

前棱蜥属

前棱蜥属(属名:Procolophon)是种已灭绝副爬行动物,是前棱蜥科的一属,外表类似蜥蜴,至少有8种在二叠纪-三叠纪灭绝事件中存活下来,之后在恐龙演化的早期过程中逐渐灭亡,消失于三叠纪晚期。

前棱蜥的身长被估计约30公分 。前棱蜥的头骨是无洞孔的,但有几种独自地演化出颞颥孔。两颊各有一个往后生长的尖状物,功用仍在争论中,可能是肌肉附着用。眼睛很大,可能拥有敏锐的日间或夜间视觉。牙齿呈桩状,可能用来磨碎植物。头骨前部很短、钝状,鼻孔非常接近嘴部。

脊椎骨很结实,胸腔由许多小型虚弱的肋骨环绕者。腿部粗短,有短指骨,显示者这些水桶腰的动物跑不快。

英语百科

Procolophon 前棱蜥属

Procolophon was a genus of lizard-like procolophonid reptiles with at least eight species that persisted through the Permian–Triassic extinction event, but became extinct in the later Triassic.

Procolophon reached a length up to 30 cm. The skull was solid but some species did evolve a temporal fenestra in the skull independently of other reptiles. There was one backward facing cheek spike, but its function is debated; it may have been for muscle attachment. Eyes were large and may have had acute day or night vision. The teeth were peg-like and suitable for crushing of plant matter. The front of the skull was short and blunt with the nasal opening very close to the mouth.

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更新时间:2025/6/22 4:51:12