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Family Scolopocryptopidae

Scolopocryptops sexspin - Scolopocryptops sexspinosus Centipede - Scolopocryptops spinicaudus Scolopocryptops rubiginosus?? Scolopocryptops sexspinosus Centipede - Scolopocryptops Centipede - Scolopocryptops Chilopoda - Scolopocryptops Scolopocryptops peregrinator - Scolopocryptops
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Myriapoda (Myriapods)
Class Chilopoda (Centipedes)
Order Scolopendromorpha (Bark Centipedes)
Family Scolopocryptopidae
Numbers
3 subfamilies, of which 2 are represented in NA (Kethopinae is NA endemic), with 9 spp. in 3 genera in our area(1) and ~100 spp. in 9 genera worldwide(2)(3)
Our taxa:
  Subfamily Kethopinae Shelley, 2002
        Kethops Chamberlin, 1912
              K. utahensis (Chamberlin, 1909) - CA, UT, NM
              K. atypus Chamberlin, 1943 - known only from Salt Lake City, Utah.
        Thalkethops Crabill, 1960
              T. grallatrix Crabill, 1960 - endemic to caves in Carlsbad Caverns National Park, Eddy County, New Mexico.
  Subfamily Scolopocryptopinae Pocock, 1896
        Scolopocryptops Newport, 1844
              S. gracilis — Western U.S.: CA, s. NV, sw. UT, nw. AZ, cent. w. ID, se. WA and ne. OR...detailed range map (1)
              S. nigridius — Eastern U. S.: IL, IN, OH, PA, MD, WV, VA, NC, SC, GA, FL, AL, MS, TN, KY...detailed range map (1)
              S. peregrinator — Eastern U. S.: s. PA south to nw. NC, and west to e. KY...detailed range map.
              S. rubiginosus — Central U. S.: MN south to TX, and northeast to OH
              S. sexspinosus — Eastern U. S.: Central & eastern U.S.: e. TX north to e. NE, east to MA, and south to FL...detailed range map(1).
              S. spinicaudus — Western U.S.: Pacific Coast north CA to southernmost AK; CO (a single record?)...detailed range map(1).
Identification
23 pairs of legs (vs. 21 in other families)
Print References
Shelley, R. M. & R. Mercurio (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: 25–40 (Full Text...key to genera appears on 4th page of PDF)