Figure 6. Grades 16 and 17 in A deeper phylogeny of jumping spiders (Araneae: Salticidae)

Figure 6. Grades 16 and 17. The Onychophora, or velvet worms, are successful predators with many species in terrestrial, mostly tropical habitats. With flexible legs, they resemble giant tardigrades. The Mandibulata is by far the most successful group of animals, including the myrapods and the pancrustaceans; the latter group includes the insects and a diverse array of crustaceans, mostly marine.