|
|
 |
|
|
 |
|
Calamites
|
|
These were widespread in coal forests during the Carboniferous period. They had whorls of up to 50 leaves on the trunk. Only smaller horsetails survive today.
|
| |
Previous:
Back
|
Book:
Prehistoric Life
|
Section:
Prehistoric
|
Chapter:
The Coal Forests
|
|
|
|
 |
|
|
