All Arthropod Families

1,238 families across 88 orders.

Coleoptera(160 families)

Diptera(141 families)

Hemiptera(120 families)

Lepidoptera(112 families)

Hymenoptera(102 families)

Araneae(82 families)

Psocodea(37 families)

Decapoda(32 families)

Trichoptera(24 families)

Orthoptera(22 families)

Ephemeroptera(22 families)

Trombidiformes(22 families)

Isopoda(22 families)

Opiliones(20 families)

Odonata(18 families)

Pulmonata(17 families)

Other(14 families)

Blattodea(12 families)

Amphipoda(12 families)

Neuroptera(11 families)

Diplostraca(11 families)

Plecoptera(10 families)

Polydesmida(9 families)

Mesostigmata(9 families)

Oribatida(8 families)

Poduromorpha(7 families)

Phasmida(7 families)

Chordeumatida(7 families)

Pseudoscorpionida(7 families)

Astigmata(7 families)

Mecoptera(6 families)

Mantodea(6 families)

Thysanoptera(6 families)

Symphypleona(6 families)

Strepsiptera(6 families)

Dermaptera(6 families)

Julida(6 families)

Scolopendromorpha(6 families)

Entomobryomorpha(5 families)

Scorpiones(5 families)

Geophilomorpha(5 families)

Siphonaptera(5 families)

Spirobolida(5 families)

Embioptera(5 families)

Hygrophila(4 families)

Anostraca(4 families)

Zygentoma(3 families)

Polyzoniida(3 families)

Rhaphidioptera(3 families)

Veneroida(3 families)

Spirostreptida(3 families)

Sessilia(3 families)

Solifugae(2 families)

Megaloptera(2 families)

Lithobiomorpha(2 families)

Ixodida(2 families)

Microcoryphia(2 families)

Dicellurata(2 families)

Tetramerocerata(2 families)

Uropygi(2 families)

Littorinimorpha(2 families)

Tanaidacea(2 families)

Pantopoda(2 families)

Cyclopoida(2 families)

Calanoida(2 families)

Acerentomata(2 families)

Zoraptera(1 families)

Notoptera(1 families)

Platydesmida(1 families)

Amblypygi(1 families)

Scutigeromorpha(1 families)

Callipodida(1 families)

Schizomida(1 families)

Neelipleona(1 families)

Unionoida(1 families)

Podocopida(1 families)

Lepadiformes(1 families)

Notostraca(1 families)

Architaenioglossa(1 families)

Siphonostomatoida(1 families)

Xiphosura(1 families)

Cycloneritimorpha(1 families)

Opilioacarida(1 families)

Polyxenida(1 families)

Palpigradi(1 families)

Glomerida(1 families)

Ricinulei(1 families)

Stomatopoda(1 families)

Find the family behind a species name

Families sit within orders and bring together related genera. Browsing by family is useful when a label or reference gives a family name but you have not yet found the individual species.

Use the order as context

Check the order shown beside a family before opening its page. Follow the order link if you want to compare other families in the same broad group.

Explore the available profiles

A family page leads to species records with varying amounts of detail. Some contain descriptions and natural-history information; others mainly provide a name and classification.

Keep identification separate from classification

Membership in the same family does not mean two species have identical appearance, habitat, or behavior. Compare the details recorded for each species rather than relying on the family name alone.