Yes it's true. i can explain it with very consiously but i am going to bed now
Pinworms belong to the group of worms called the Nematodes which is the answer. Pinworms are intestinal roundworms living in the intestinal tract of animals and human. There are 4 types of pinworms and one of it is Enterobius vermicularis which then infects the humans.
I believe the answer you're looking for is Archaea-bacteria.
