Eras of Life
Content-Intensive Poster
Item: EDU09
In Stock: Yes
24 x 36 in.
$7.95

This geological time chart
shows life as it is existed on
land and in the seas in each
era: Tertiary, Cretaceous,
Jurassic, Triassic, Permian,
Devonian, Silurian, Ordovician,
Cambrian, Proterozoic. For each
system landscape scenes show
predominating organisms in both
marine and terrestrial
environments, plus lists of first-
occurrence organism groups and
lists of extinct organism groups.