Panarthropoda

Panarthropoda is a taxon combining the Phyla Arthropoda, Tardigrada and Onychophora. Originally they were considered to be closely related to the annelids, grouped together as the Articulata[?], but newer studies place them among a group called the Ecdysozoa. Common characters of the Panarthropoda include

• presence of legs
• presence of claws
• ventral nervous system
• segmented body