What unique characteristics do spiders with two long front legs possess that set them apart from other arachnids?

Spiders with two long front legs, known as harvestmen or daddy longlegs, have a distinct body shape and behavior that sets them apart from other arachnids. Their long legs give them a unique appearance and help them move quickly and navigate their environment with precision. Additionally, harvestmen lack venom glands and silk-producing organs, unlike other spiders, making them distinct in their hunting and defense strategies.