Yes.
yes
Pillbug
Two
It falls under Isopoda -- "Shelled" crustaceans with 7 pairs of legs.
Yes they are, I used to play with them all the time. FUN FACT: Pillbugs curl into tight balls when threatened.Most kids have poked a pillbug to watch it roll up into a tight ball. In fact, many people call them roly polies for just this reason. Its ability to curl up distinguishes the pillbug from another close relative, the sowbug....
3
Around 300,000,000 years.
Nothing. They're terrestrial.
Search "sowbug" or "pillbug" to view.
In dark and sheltered spots in your garden.
A pillbug is an insect of the woodlice family, order Isopoda, sub-order Oniscidea, family Armadillidiidae.The best known species in the family is Armadillidium vulgare, the common pill bug.