A zoological classification group of animals having jointed limbs or bodies; a division of arthropods or similar creatures in older taxonomic systems.
From Latin 'articulata,' the neuter plural of 'articulatus' (jointed). Historically used as a taxonomic term to group animals with segmented, jointed bodies like insects and crustaceans.
Scientists used to classify insects and spiders as 'Articulata' because their bodies are divided into jointed segments—it's where the word 'arthropod' comes from!
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