👉 Cranaidids, a family of arachnids that includes the black widow spider (Arachnida: Araneae) and the common white-spotted spider (Arachnida: Araneae), are characterized by their distinctive six-inch (15.4 cm) elongated bodies with eight segments, which give them the name "crana." This family is known for its ability to produce venomous bites that can cause severe pain or death in certain species of spiders
