Below are links to images from
Chris Scotese's web site showing the location of the various plates through
time (even into the future!). If you go to his site (http://www.scotese.com/earth.htm)
you'll even find some animations showing the plate motions through time.
Precambrian
Cambrian
Ordovician
Silurian
Devonian
Early
Carboniferous
Late
Carboniferous
Permian
Triassic
Jurassic
Late
Jurassic
Cretaceous
K/T
extinction
Eocene
Miocene
Last
Ice Age
Modern
World
Future
World
Future
+100
Future
+250
If
you're interested in how temperatures have change with time, a simple graph
is shown below:
(again
from Chris Scotese's site)