rutilian

n. (Zool.) Any species of lamellicorn beetles belonging to Rutila and allied genera, as the spotted grapevine beetle (Pelidnota punctata). [ 1913 Webster ]

a. Belonging to the reptiles. [ 1913 Webster ]

Reptilian age (Geol.), that part of geological time comprising the Triassic, Jurassic, and Cretaceous periods, and distinguished as that era in which the class of reptiles attained its highest expansion; -- called also the Secondary or Mezozoic age. [ 1913 Webster ]