Animals of the order Araneae are more commonly known as spiders. They are a diverse group with approximately 40,024 described species.
Spiders are well known for their webs, which are made from silk produced in glands in the opisthosoma (abdomen).
They are also notorious for their ability to produce venom, which is injected into their prey through their fangs.
The most infamous of all is the black widow spider Latrodectus mactans, which can be lethally venomous to humans, though it is very rare for people to die from its bite.
The vast majority of spiders aren’t harmful at all.