The dragonfly's in this period had a wingspan up to 2 feet long
Land animals included primitive amphibians, reptiles (which first appeared in the Upper Carboniferous), spiders, millipedes, land snails, scorpions, enormous dragonflies, and more than 800 kinds of cockroaches. showed up in this period.
- The first animals on land were snails and insects such as the millipede, scorpion, and spider.
- These organisms came along in the Mississippian age were fairly early in the Carboniferous period.
- In the Pennsylvanian period Tetra pods started descend onto land. Tetra pods were were four legged animals that evolved into many different species.
- Tetrapods go on to evolve into early reptiles, amphibians, birds, mammals, and fish