3. Dermal skull roof or dermatocranium A shield of membrane or dermal bone covering the top and sides of the head and extending down to the jaw rims, with a marginal row of teeth. In amphibians & stem ...

Skull and jaw demonstrating the highly specialized, comb-like teeth of the Baikal seal that allow them to expel water while retaining prey during high-speed hunting. This together with their small ...

NEW YORK CITY — Police are searching for two suspects who attacked and beat a 60-year-old man on a New York City street, leaving the victim with a fractured skull and broken jaw. Surveillance ...