The largest animal phylum by a wide margin: invertebrates with a segmented body, a hard external exoskeleton of chitin, and jointed limbs. Arthropoda includes the insects, arachnids, crustaceans, millipedes and centipedes, and its insect members alone account for roughly three-quarters of all described animal species.
Facts
Disputed
Member Species/Taxa CountApproximate described-species (or, for a genus, described-taxon) count; continually revised as species are newly described, reclassified or synonymized. Taxonomic Rank Scientific Name Connections
Child Taxon Of
Parent Taxon Of
Sources
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