Scolopocryptopidae, Pocock, 1896

Shelley, Rowland M. & Mercurio, Randy, 2005, Ectonocryptoides quadrimeropus, a new centipede genus and species from Jalisco, Mexico; proposal of Ectonocryptopinae, analysis of subfamilial relationships, and a key to subfamilies and genera of the Scolopocryptopidae (Scolopendromorpha), Zootaxa 1094 (1), pp. 25-40 : 28

Key to Subfamilies and Genera of the Scolopocryptopidae

1. Ultimate legs extending sublinearly; prefemora with at least one ventral spinous process apiece; tibiae and tarsi variably setose but unarmed ............................................ 3

­ Ultimate 2 nd tarsi typically flexed against 1 st tarsi and lower tibiae to form a "clasping apparatus"; prefemora unarmed, tibiae and 1 st tarsi with "saw teeth"; California, Utah, and New Mexico, USA ( Crabill 1958, 1960; Shelley 2002) ......................................... ........................................................................................... Kethopinae Shelley, 2002 ...2

2. Sterna distinctly margined laterad; epigean environments in California, Utah, and New Mexico .................................................................................. Kethops Chamberlin, 1912