Panarthropoda
Velvet worm
Scientific classification
Kingdom: Animalia Superphylum: Ecdysozoa (unranked): Panarthropoda Nielsen, 1997
Phyla
Arthropoda Onychophora Tardigrada Lobopodia†

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 (see also ventral, nervous system)
• segmented body

References

• Claus Nielsen (1997). Animal Evolution: Interrelationships of the Living Phyla. Oxford University Press. ISBN 0-19-850682-1. 

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