Subphylum Chelicerata

Reproduction & Development

Body Systems

Body Structures

Taxonomic Divisions

mouthparts

chelicerae

pedipalps

no antennae

excretion

malpighian tubules

body

2 tagmata

prosoma

opisthosoma

no distinct head

uniramous appendages

"one branch"

chelicerae

(often fangs)

pre-oral appendages

pedipalps

post-oral appendages

respiration

gas exchange

book gills

book lungs

tracheae

*see table

*see table