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
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
Chelicerata
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The subphylum Chelicerata constitutes one of the two major living subdivisions of the phylum Arthropoda, alongside Mandibulata. Chelicerates include the sea spiders, horseshoe crabs, and arachnids, as
Arthropod
…to have disappeared or be highly modified. The most conspicuous specialization of segments is in the head. The four major groups of arthropods – Chelicerata (sea spiders, horseshoe crabs and arachnids), Myriapoda (symphylans, pauropods, millipedes and centipedes), Pancrustacea (oligostracans, copepods…
Female scorpion Vaejovis cashi carrying its young (white)
A microscopic mite Lorryia formosa
Ammothea hilgendorfi 3281
Promegistus armstrongi 335075066