anapsid

It was a large anapsid reptile that, unlike most reptiles, held its legs underneath its body to support its great weight.

和大部分爬行动物不同，它是一种大形的无颞窝爬行动物，它靠身子下面的脚来支撑它庞大的身躯。

characterized by a primitive skull with a solid cranium and no temporal openings (anapsid).

龟类是爬行纲无孔亚纲唯一现存的成员，颅骨具有坚实的头盖骨且无颞孔。

anapsid

n. 无孔型爬行动物