Key to the Genera

North American Scorpions


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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