Skull roof

Dermal armour in Dunkleosteus, a Placoderm.

Skull of Platycephalichthys, a sarcopterygian. Most of the roofing over the cheek region is formed by the operculum.

The skull roof in Chelyderpeton, a labyrinthodont.

The skull roof, or the roofing bones of the skull, are a set of bones covering the brain, eyes and nostrils in bony fishes and all land-living vertebrates. The bones are derived from dermal bone, hence the alternative name dermatocranium. More or less incorporated in the skull roof is the upper jaw and the endocranium.

单词	Skull roof
释义	Skull roof 英语百科 Skull roof The skull roof, or the roofing bones of the skull, are a set of bones covering the brain, eyes and nostrils in bony fishes and all land-living vertebrates. The bones are derived from dermal bone, hence the alternative name dermatocranium. More or less incorporated in the skull roof is the upper jaw and the endocranium.
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