Mastigoproctus Giganteus is a species of large, venomous arachnids commonly known as the giant whip scorpions. This species is known to have several synonyms and alternate names based on different locations and habitats. Some synonyms for Mastigoproctus Giganteus include Thelyphonus Giganteus, Uropygus Giganteus, and Thelyphonus Giganteus Giganteus. In different regions, the species may have different local names like Wind scorpions and Vinegaroons. Mastigoproctus Giganteus is known for its massive size, and they can grow up to 3 inches in length. These arachnids are commonly found in the American Southwest and Mexico and are nocturnal hunters, feeding on insects and small invertebrates.