Key to the Genera

North American Scorpions


Couplet 11

Anterior margin of carapace emarginate to nearly straight (Fig. 36); tarsi of legs I-III lacking distinct setal combs (Fig.38); inferior surface of movable finger of chelicera bearing a serrula of variable development (Fig. 11, 50 and 51). . . . .Go to Couplet 12

Anterior margin of carapace straight to convex (Fig. 37); tarsi of legs I-III usually with well-developed setal combs (Fig. 39); inferior surface of movable finger of chelicera lacking a serrula (Fig. 12). . . . . Go to Couplet 17

Disclaimer: The views expressed here are mine alone and do not represent the views of the Department of the Army or the Smithsonian Institution... or anybody else for that matter. – Dr. Scott A. Stockwell

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