Main Page | See live article | Alphabetical index 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 This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.