arthropod 595.2 http://id.loc.gov/authorities/subjects/sh85008134 http://purl.bioontology.org/ontology/MESH/D001181 http://purl.obolibrary.org/obo/NCBITaxon_6656 http://purl.obolibrary.org/obo/NCIT_C77917 https://en.wikipedia.org/wiki/Arthropod https://en.wikipedia.org/wiki/Category:Arthropods https://species.wikimedia.org/wiki/Arthropoda https://www.wikidata.org/wiki/Q1360 QL434-QL599.82 Arthropoda Members of the phylum Arthropoda, composed of organisms having a hard, jointed exoskeleton and paired jointed legs. It includes the class Insects and the subclass Arachnida, many species of which are important medically as parasites or as vectors of organisms capable of causing disease in man. The taxonomic phylum whose members are invertebrates with hard exoskeletons and segmented joints. Organisms in this phylum include the Arachnids, Centipedes, Crustaceans, Insects and the extinct Trilobites. arthropod, NOS arthropods panarthropod