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zoology
invertebrate zoology
Branch of biology dealing with animals having no backbones or spinal columns.
Subtopics
entomology
See also
arachnids
arthropods
bryozoans and brachiopods
coelenterates
crustaceans
echinoderms
flatworms
horseshoe crabs
invertebrate paleontology
invertebrates
mollusks
ostracodes
roundworms
segmented worms
shellfish
sponges
worms
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