Related terms:
molt
mites
ocelli
cuticle
prosoma
silurian
annelids
hemocoel
arachnid
pygidium
pedipalp
opabinia
ommatidia
trilobite
appendages
chelicerae
mesothelae
spinnerets
chelicerata
pycnogonida
chelicerates
burgess shale
compound eyes
cephalothorax
trace fossils
early cambrian
middle cambrian
most arthropods
other arthropods
last common ancestor
Wikipedia sources:
Arthropod
Spider
Eye
Opabinia
Trilobite
Chelicerata
Annelid
Arachnid
Sea spider
Devonian
Cambrian explosion
Forensic entomology
Horseshoe crab
Glutamic acid
Decomposition
Context for words:
arthropods
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