Evolution of the head of early cartilaginous fishes

The evolution of the head, jaws, and pharynx of vertebrates has been an intense focus of study over the last two centuries due to its important functional role as well as its...近两个世纪以来，脊椎动物（vertebrate）头部、颌部与咽部的演化一直是学界研究的热点课题，这缘于其兼具重要的功能作用与……