Illustrated Key to Harvestmen: Suborder Palpatores
| Couplet 1 |
Palpal claw either absent or very weak; palpal tarsus shorter than tibia
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Palpal claw well developed; palpal tarsus equal to or longer than tibia
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| Couplet 2 |
Metapeltidium smooth, or at least without sensory spines
Ceratolasmatidae- go to Couplet 3
Metapeltidium with two centrally placed sensory spines
Sabaconidae, Sabacon
| Couplet 3 |
Body length about 1 mm or less; legs covered with curly, decumbent setae
Crosbycus
Body length greater than 1 mm; legs without decumbent curly setae
Hesperonemastoma
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