Class Arachnida
Class Arachnida (70000 species)
Arachnids
- Order Scorpiones(2+ suborders, 2+ infraorders, 4+ superfamilies, 12+ families, 17+ subfamilies, 3+ tribes, 158+ genera, 1200-1300 species)
Scorpion
- Order Pseudoscorpiones (14+ families, 194+ genera, 2000 species)
False or Book Scorpions
- Order Opiliones(2+ suborders, 10+ families, 4+ families, 61+ genera, 4500 species)
Harvestmen or Daddy Longlegs
- Order Architarbi
- Order Haptopoda
- Order Anthracomarti
- Order Trigonotarbi
- Order Palpigradi (60 species)
Palpigrades
- Order Uropygi (1 family, 2 genera, 75-85 species)
White Scorpions or Vinegarroons
- Order Schizomida (80 species)
Schizomids
- Order Kustarachnae
- Order Amblypygi (3+ families, 10+ genera, 21+ species)
Tailless Whip Scorpions
- Order Araneida (3+ suborders, 36+ families, 36+ genera, 34000 species)
Spiders
- Order Araneae (1+ suborders, 6+ families, 1+ subfamilies, 8+ genera, 9+ species)
- Order Solfugidae (10 families, 900 species)
Wind Scorpions
- Order Ricinulei (1+ families, 1+ genera, 15-33 species)
Ricinuleids
- Subclass Acari (30000 species)
Mites and Ticks
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