Panarthropoda
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Panarthropoda is a clade comprising the greatest diversity of animal groups. It contains the extant phyla Arthropoda, Tardigrada and Onychophora, although the relationships among these remained uncert
Peripatopsis lawrencei 134803788
Nervous system of a tardigrade, showing ventral nerve cord with segmented ganglia (ga1-4)
Adult priapulid 2
Carcinus maenas white background
Arthropod
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Arthropods are invertebrates in the phylum Arthropoda. They possess an exoskeleton with a cuticle made of chitin, often mineralised with calcium carbonate, a body with differentiated segments, and pai
Panarthropoda
…Panarthropoda is a clade comprising the greatest diversity of animal groups. It contains the extant phyla Arthropoda (Euarthropoda), Tardigrada (water bears) and Onychophora (velvet worms), although the relationships among these remained uncertain according to studies…
Protaetia cuprea (copper chafer). Beetles are the most diverse order of arthropods.
A cicada climbing out of its exuvia while attached to tree
Long bristles (setae) of a Tliltocatl albopilosus tarantula
Head of a wasp with three ocelli (centre), and compound eyes at the left and right