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Subphylum Chelicerata (Body Structures (uniramous appendages (chelicerae…
Subphylum Chelicerata
Body Structures
mouthparts
chelicerae
pedipalps
no antennae
body
2 tagmata
prosoma
opisthosoma
no distinct head
uniramous appendages
"one branch"
chelicerae
(often fangs)
pre-oral appendages
pedipalps
post-oral appendages
Body Systems
excretion
malpighian tubules
respiration
gas exchange
book gills
book lungs
tracheae
Reproduction & Development
*see table
Taxonomic Divisions
*see table