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16 Cards in this Set
- Front
- Back
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Scorpiones
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Scorpions, opisthoma tail-like, long/chelate pedipalps. Class Arachnida
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Uropygi
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Whipscorpions, like scorpions but tail slender without sting. Class Arachnida
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Amblypygi
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Tailless whipscorpions, no tail, pedipalps large and spiny, 1st pair legs long and whiplike. Class Arachnida
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Araneae
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Spiders, opisthoma attached to prosoma via narrow pedicel
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Opiliones
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Daddy-long legs, prosoma and opisthoma broadly joined, long legs, small ovoid body, 2 eyes
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Acari
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Mites and tics, prosoma and opisthoma broadly joined, adults 4 pair legs, mouthparts projected forward
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Solifugae
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Camel spiders, large chelate chelicerae
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Pseudoscorpiones
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Like scorpions, but no tail.
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Ostracoda
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Seed shrimp, bivalved carapace, appendages shortened
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Copepoda
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Tadpole-shaped, eggs carried in paired sacs at tip of abdomen
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Amphipoda
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No carapace, laterally flattened, 6-7 pair thoracic legs, abdomen often reduced
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Isopoda
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Pillbugs, no carapace, dorso-ventrally flattened, 7 pair thoracic legs, abdomen of ten reduced, no 2nd pair antennae
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Decapoda
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Crabs/lobsters/crayfish/shrimp, carapace covering thorax, 5 pairs of thoracic legs, 1st pair often clawed
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Diplopoda
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Millipedes, most segments with 2 pair legs, short antennae
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Chilopoda
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Centipedes, usually flattened, most segments 1 pair legs, prominent mandibles
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Symphyla
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10-12 pair legs, antennae many segments, most segments with 1 pair legs
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