What key anatomical characteristic defines the Family Viperidae, placing *C. cerastes* among true vipers?
Answer
Having long, hinged fangs located at the front of the upper jaws
Members of the Viperidae family are characterized by possessing long, hinged fangs situated at the front of their upper jaws, which they use for venom injection.

Related Questions
What distinct feature immediately recognizable on *Cerastes cerastes* gives it its common name?Which Order encompasses all lizards and snakes, characterized by kinetic skulls and shedding skin?What key anatomical characteristic defines the Family Viperidae, placing *C. cerastes* among true vipers?What is the primary morphological feature distinguishing *Cerastes cerastes* from *Cerastes vipera*?To what Greek word does the genus name *Cerastes* trace its derivation?What classification level often relies on countable, fixed traits like the number of ventral scales for delineation?In what year and under which genus was *C. cerastes* originally described by Carl Linnaeus?The *Cerastes* genus is specialized for which type of locomotion often associated with fine, loose sand?Where is the Genus *Cerastes* generally geographically restricted?What does classification in the Class *Reptilia* indicate about *C. cerastes*'s physiological traits?