answersLogoWhite

0

Tertiary Period, Cenozoic

^^^LOL, wrong

they probably appeared about the same time as the dinosours: 250 million years ago

Umm.... first answer was right... Thanks a lot to NathanChooper for screwin that up

Ummm your alll long cause i made them appear when i wanted :) and ...nvm

ok, mayby they appeared during the early jurassic (200mya) but it was long before the cenozoic.

nathanchooper:1

some guy i'm arguing with: 0

User Avatar

Wiki User

13y ago

What else can I help you with?