Chelicerata (Chelicerates) is a subphylum of arthropods. There are 77069 species of Chelicerates, in 8268 genera and 862 families. It includes groups like Arachnids, Sea Spiders, and Sea Scorpions.
Definition: overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry