Arthropleura lived in the Carboniferous period between about 280 and 340 million years ago. It was the largest invertebrate (animals without backbones) to ever live on land, it got to about 2m long and had 30 pairs of legs, that's 60 legs! Arthropleura had very good body armour and when attacked, it reared up high enough to look an adult in the eye.
Arthropleura was mainly herbiverous, eating rotting leaves and other vegetation. They may have fed on small animals as well.
In the Carboniferous, the oxygen levels were much higher than today, ideal for giant insects and bugs to thrive in the climate. But at the start of the Permian period the climate dried out, the oxygen levels shrank and the dense rainforests were destroyed, spelling doom for all the giant insects and bugs, even Arthropleura.
Interesting Facts:
Arthropleura tracks show that it was a fast mover.
Some scientists think that it could've moved around underwater!