Taxa

Arthropoda

Phylum

Citation Formats

General Reference

Nature Atlas. "Arthropoda." Accessed September 8, 2026. https://nature.interactiveatlas.org/taxa/phylum-arthropoda.

APA Style

Nature Atlas. (n.d.). Arthropoda. Retrieved September 8, 2026, from https://nature.interactiveatlas.org/taxa/phylum-arthropoda

BibTeX

@misc{natureatlas-arthropoda,
  author = {Nature Atlas},
  title = {Arthropoda},
  year = {2026},
  url = {https://nature.interactiveatlas.org/taxa/phylum-arthropoda},
  note = {Accessed September 8, 2026}
}

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 Count

1,250,000 1

Approximate described-species (or, for a genus, described-taxon) count; continually revised as species are newly described, reclassified or synonymized.

Taxonomic Rank

Phylum / Division 1

Scientific Name

Arthropoda 1

Cross-Tradition Connections