List of arthropod orders

Wolf spider carrying its young in its egg sac.

Marrella, one of the puzzling arthropods from the Burgess Shale

A convex oval-shaped piece of shell, covered with fine orange-pink markings: the front edge is lined with 13 coarse serrations, while the rear edge is smooth.

A shed carapace of a lady crab, part of the hard exoskeleton

Arthropods are invertebrate animals with a chitinous exoskeleton, segmented bodies, and jointed legs. The phylum Arthropoda contains numerous taxonomic orders in over 20 classes.

Subphylum Hexapoda

Class Insecta

Head of a wasp with three ocelli (centre), and compound eyes at the left and right

A pair of Simosyrphus grandicornis hoverflies mating in flight.

Aedes aegypti, a parasite, is the vector of dengue fever and yellow fever

Order Blattodea – 3,684–4,000
Order Coleoptera – 360,000–400,000
Order Dermaptera – 1,816
Order Diptera – 152,956
Order Embioptera – 200–300
Order Hemiptera – 50,000–80,000
Order Hymenoptera – 115,000
Order Lepidoptera – 174,250
Order Mantodea – 2,200
Order Mecoptera – 481
Order Megaloptera – 250–300
Order Neuroptera – 5,000
Order Notoptera – 30
Order Orthoptera – 24,380
Order Phasmatodea – 2,500–3,300
Order Phthiraptera – 3,000–3,200
Order Plecoptera – 2,274
Order Psocoptera – 5,500
Order Raphidioptera – 210
Order Siphonaptera – 2,525
Order Strepsiptera – 596
Order Thysanoptera – 5,000
Order Trichoptera – 12,627
Order Zoraptera – 28

Class Entognatha

Proturan specimen (Acerentomon sp.)

Order Collembola
Order Diplura
Order †Monura
Order Protura

Subphylum Chelicerata

Class Arachnida

Araneus diadematus spider

Order Acarina
Order Amblypygi
Order Araneae
Order †Haptopoda
Order Opiliones
Order Palpigradi
Order †Phalangiotarbida
Order Pseudoscorpionida
Order Ricinulei
Order Schizomida
Order Scorpiones
Order Solifugae
Order Thelyphonida
Order †Trigonotarbida

Class Merostomata

220px Reconstructed Eurypterus

Order †Eurypterida
Order Xiphosura

Class Pycnogonida Sea spiders

Pycnogonida

Order Pantopoda

Class Yunnanata †

Order Fuxianhuiida

Subphylum Myriapods

A representative millipede and centipede (not necessarily to scale)

Ammodesmus nimba from Guinea, West Africa, curled in a defensive coil

Class Chilopoda (Centipedes)

Class Diplopoda (Millipede)

Subclass Penicillata

- Order Polyxenida

Subclass †Arthropleuridea

- Order †Arthropleurida
- Order †Eoarthropleurida
- Order †Microdecemplicida

Subclass Chilognatha

- Order †Zosterogrammida ^[1]
Infraclass Pentazonia
- Order †Amynilyspedida
Superorder Limacomorpha
- Order Glomeridesmida
Superorder Oniscomorpha
- Order Glomerida
- Order Sphaerotheriida
Superorder †Archipolypoda
- Order †Archidesmida
- Order †Cowiedesmida
- Order †Euphoberiida
- Order †Palaeosomatida
- Order †Pleurojulida
- Order Platydesmida
- Order Polyzoniida
- Order Siphonocryptida
- Order Siphonophorida
Superorder Juliformia
- Order Julida
- Order Spirobolida
- Order Spirostreptida
Superfamily Xyloiuloidea † (Sometimes aligned with Spirobolida)^[2]
Superorder Nematophora
- Order Callipodida
- Order Chordeumatida
- Order Stemmiulida
- Order Siphoniulida
- Order Polydesmida

Class Pauropoda

A pauropod

Order Pauropodina

Class Symphyla

No known order, 200 species in 2 families.

Class Arthropleuridea (extinct)

Subphylum Crustaceans

Class Branchiopoda

Branchiopods

Order Anostraca
Order Cyclestherida
Order Cladocera
Order Notostraca

Class Remipedia

Enantiopoda †
Nectiopoda

Class Cephalocarida

Order Bracchypoda

Class Maxillopoda

Cyclops (Copepoda: Cyclopoida)

Subclass Thecostraca

Order Laurida
Order Dendrogastrida
Order Pygophora
Order Apygophora
Order Kentrogonida
Order Akentrogonida
Order Pedunculata
Order Sessilia

Subclass Tantulocarida

Family Deoterthridae (no order)

Subclass Branchiura

Order Arguloida
Order † Cyclida

Subclass Pentastomida

Adult female Linguatula serrata

Order Cephalobaenida
Order Porocephalida
Order Raillietiellida
Order Reighardiida

Subclass Mystacocarida

Order Mystacocaridida

Subclass Copepoda

Class Ostracoda

Ostracod

Subclass Myodocopa

Order Myodocopida
Order Halocyprida

Subclass Podocopa

Order Platycopida
Order Podocopida

Class Malacostraca

Syncarid Atlantic blue crab Callinectes sapidus

Hoplocarid

Nebalia bipes Phyllocarid

Subclass Eumalacostraca

Superorder Syncarida
- Order Anaspidacea Calman, 1904
- Order Bathynellacea Chappuis, 1915
- Order Palaeocaridacea
Superorder Peracarida
- Order Amphipoda
- Order Cumacea
- Order Isopoda
- Order Lophogastrida
- Order Mictacea
- Order †Pygocephalomorpha
- Order Spelaeogriphacea
- Order Stygiomysida
- Order Tanaidacea
- Order Thermosbaenacea
Superorder Eucarida
- Order Amphipoda
- Order Cumacea
- Order Isopoda
- Order Lophogastrida
- Order Mictacea
- Order Mysida
- Order †Pygocephalomorpha
- Order Spelaeogriphacea
- Order Stygiomysida
- Order Tanaidacea
- Order Thermosbaenacea

Subclass Hoplocarida

- Order Stomatopoda
- Order Aeschronectida †
- Order Palaeostomatopoda †

Subclass Phyllocarida

- Order Leptostraca
- Order Hymenostraca †
- Order Archaeostraca †

Class Trilobite †

Class Megacheira †

Reconstructed Leanchoilia

Order Leanchoilia †
Order Pectocaridida †

Class Merostomoidea †

Order Limulavida †
Order Emeraldellida †

Class Marrellomorph †

Order Marrellida †

Class Dinocaridida

Order †Radiodonta
Order †Anomalocarididae (?)
Order †Anomalocarididae
Order †Opabiniidae
Order †Opabiniidae (?)

References

↑ Shear, William A.; Edgecombe, Gregory D. (2010). "The geological record and phylogeny of the Myriapoda". Arthropod Structure & Development. 39 (2–3): 174–190. doi:10.1016/j.asd.2009.11.002. PMID 19944188.
↑ Hoffman, R.L. (1963). "New genera and species of Upper Paleozoic Diplopoda". Journal of Paleontology. 37 (1): 167–174. JSTOR 1301419.

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