On top of its head were two bony  structures, called ossicones, that it has in common with its modern  kin.

它的头顶有两个骨骼结构，称为骨骨， 与其现代亲属有共同之处。

Canids have hollow bony structures toward the back of their skulls called auditory bullae that protect the delicate bones of the middle ear.

犬科动物的头骨后部有中空的骨结构，称为听觉大泡，可保护中耳的脆弱骨骼。

And, unlike their terrestrial relatives, true metriorhynchids had no osteoderms, which are bony structures in the skin that help provide protection and can help regulate body temperature.

而且，与它们的陆生亲属不同，真正的后嘴龙没有真皮，这是皮肤中的骨结构， 有助于提供保护并有助于调节体温。