The Spiders (Araneae) - order
(Mesothelae) - suborder

(Palaeothele)
-
The Segmented Spiders
(Liphistiidae)
- family
(Opisthothelae) - suborder
(Araneomorphae) - infraorder
The Araneomorph Funnel-Web Spiders
(Agelenidae)
- family
The Tangled Nest Spiders
(Amaurobiidae)
- family

(Ammoxenidae)
- family

(Anapidae)
- family
The Anyphaenid Sac Spiders
(Anyphaenidae)
- family
The Orb-Weaver Spiders
(Araneidae)
- family
The Pelican Spiders
(Archaeidae)
- family

(Arkyidae)
- family

(Austrochilidae)
- family

(Caponiidae)
- family

(Cithaeronidae)
- family
The Sac Spiders
(Clubionidae)
- family
The Dark Sac Spiders
(Corinnidae)
- family
The Tropical Wolf Spiders
(Ctenidae)
- family

(Cyatholipidae)
- family

(Cybaeidae)
- family

(Cycloctenidae)
- family
The Net-Casting Spiders
(Deinopidae)
- family
The Intertidal Spiders
(Desidae)
- family

(Dictynidae)
- family
The Coneweb Spiders
(Diguetidae)
- family
The False Violin Spiders
(Drymusidae)
- family
The Woodlouse Hunter Spiders
(Dysderidae)
- family
The Velvet Spiders
(Eresidae)
- family

(Eutichuridae)
- family
The Crevice Weavers
(Filistatidae)
- family

(Gallieniellidae)
- family
The Flat-Bellied Ground Spiders
(Gnaphosidae)
- family
The Large-Clawed Spiders
(Gradungulidae)
- family
The Ddwarf Sheet Spiders
(Hahniidae)
- family
The Tree Trunk Spiders
(Hersiliidae)
- family

(Homalonychidae)
- family

(Huttoniidae)
- family
The Lampshade Spiders
(Hypochilidae)
- family

(Lamponidae)
- family

(Leptonetidae)
- family
The Dwarf / Money Spiders
(Linyphiidae)
- family
The Liocranid Sac Spiders
(Liocranidae)
- family
The Wolf Spiders
(Lycosidae)
- family
The Shield Spiders
(Malkaridae)
- family

(Mecysmaucheniidae)
- family

(Megadictynidae)
- family
The Pirate Spiders
(Mimetidae)
- family
The Long-Legged Sac Spiders
(Miturgidae)
- family
The Spurred Orb-Weavers
(Mysmenidae)
- family
The Cave Cobweb Spiders
(Nesticidae)
- family

(Nicodamidae)
- family
The Midget Ground Weavers
(Ochyroceratidae)
- family
The Disc Web Spiders
(Oecobiidae)
- family
The Dwarf Hunting Spiders
(Oonopidae)
- family

(Orsolobidae)
- family
The Lynx Spiders
(Oxyopidae)
- family

(Pacullidae)
- family
The Palp-Footed Spiders
(Palpimanidae)
- family

(Penestomidae)
- family

(Periegopidae)
- family
The Philodromid Crab Spiders
(Philodromidae)
- family
The Daddy Long-Legs Spiders
(Pholcidae)
- family

(Phrurolithidae)
- family

(Physoglenidae)
- family

(Phyxelididae)
- family

(Pimoidae)
- family
The Nursery Web Spiders
(Pisauridae)
- family

(Plectreuridae)
- family
The Long-Spinneret Ground Spiders
(Prodidomidae)
- family

(Psechridae)
- family
The Jumping Spiders
(Salticidae)
- family
The Spitting Spiders
(Scytodidae)
- family
The Tubeweb Spiders
(Segestriidae)
- family
The Wall Spiders
(Selenopidae)
- family

(Senoculidae)
- family
The Recluse Spiders
(Sicariidae)
- family
The Huntsman Spiders
(Sparassidae)
- family

(Stenochilidae)
- family

(Stiphidiidae)
- family
The Dwarf Orb-Weavers
(Symphytognathidae)
- family

(Synaphridae)
- family

(Synotaxidae)
- family
The Long-Legged Cave Spiders
(Telemidae)
- family
The Armored Spiders
(Tetrablemmidae)
- family
The Long Jawed Orb-Weavers
(Tetragnathidae)
- family
The Cobweb Spiders
(Theridiidae)
- family
The Ray Spiders
(Theridiosomatidae)
- family
The Crab Spiders
(Thomisidae)
- family

(Titanoecidae)
- family

(Toxopidae)
- family

(Trachelidae)
- family

(Trechaleidae)
- family

(Trochanteriidae)
- family

(Trogloraptoridae)
- family

(Udubidae)
- family
The Hackled Orb-Weavers
(Uloboridae)
- family

(Viridasiidae)
- family

(Xenoctenidae)
- family
The Ant Spiders
(Zodariidae)
- family

(Zoropsidae)
- family
(Mygalomorphae) - infraorder

(Actinopodidae)
- family
The Folding Trapdoor Spiders
(Antrodiaetidae)
- family
The Australian Funnel-Web Spiders
(Atracidae)
- family
The Purse Web Spiders
(Atypidae)
- family
The Trapdoor Baboon Spiders
(Barychelidae)
- family
The Cork-Lid Trapdoor Spiders
(Ctenizidae)
- family
The Wafer Trapdoor Spiders
(Cyrtaucheniidae)
- family
The Funnel-Web Tarantulas
(Dipluridae)
- family

(Euctenizidae)
- family

(Halonoproctidae)
- family
The Funnel-Web Tarantulas
(Hexathelidae)
- family
The Armored Trapdoor Spiders
(Idiopidae)
- family

(Macrothelidae)
- family
The Ddwarf Tarantulas
(Mecicobothriidae)
- family

(Microstigmatidae)
- family
The Tree Trapdoor Spiders
(Migidae)
- family

(Nemesiidae)
- family
The Baldlegged Spiders
(Paratropididae)
- family

(Porrhothelidae)
- family
The Tarantulas
(Theraphosidae)
- family