Dinosaurs exist both on land and the Sea during the cenozoic era.

The Cenozoic Era . The Cenozoic Era is the most recent of the three major subdivisions of animal history . The other two are the Mesozoic and Paleozoic Eras . The Cenozoic spans only about 65 million years , from the end of the Cretaceous Period and the extinction of non - avian dinosaurs to the present .

Plss follow me

answer; ///i believe the answer is ( a hitch and signals);

i believe this is