Key to the Genera

North American Scorpions

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Couplet 14

check icon Pedipalp chela oval (with six or fewer complete keels) or octagonal (with eight complete keels) in cross section (Fig. 46); pedipalp patella with a well-developed internal median keel extending distally beyond the internal trichobothrium (Fig. 48); inferior surface of movable finger of chelicera with a moderate to very weak serrula and lacking accessory teeth (Fig. 50). . . . .Vaejovis


Pedipalp chela septagonal in cross section, with seven strong, granular keels (Fig. 47); internal median keel of pedipalp patella obsolete or incomplete, not extending beyond the internal trichobothrium (Fig. 49); inferior surface of movable finger of chelicera with a long, well-developed serrula, with or without accessory teeth (Fig. 51). . . . . Go to Couplet 15


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