Nearctomeris, a new genus of Pill Millipedes from North America, with a comparison of genetic distances of American Pill Millipede Genera (Glomerida, Glomeridae) Author Wesener, Thomas text Zootaxa 2012 3258 58 68 journal article 10.5281/zenodo.210225 53a9cdb5-58c8-4846-ad4e-cbc984ede1aa 1175-5326 210225 Key to the American pill millipede genera (order Glomerida ) 1. Body length usually> 5 mm ; male leg pair 17 resembling unmodified leg; male telopods without trichostele, femoral process completely sclerotized. California, N Guatemala to Mexico ............................ Glomeroides Chamberlin, 1922 - Body length usually ≤ 5 mm ; male leg pair 17 with strongly reduced telopodite ( Fig. 4 B); male telopods with prefemoral and femoral trichostele ( Fig. 4 E), femoral process flexible, partly membranous. SE North America ........................ 2 2. Head with conspicuous Y-shaped crest and antennal grooves; lateral margin of head sharp-edged and rectangular; collum with two transverse striae; thoracic shield with large hyposchism field; anterior margin of tergites with toothed ridge; tergites laterally without striae; telopods with tibial process......................................... Onomeris Cook, 1896 [see Wesener 2010 for a redescription] - Head without crest or grooves ( Fig. 2 C); lateral margin of head well-rounded; collum with single transverse stria ( Fig. 2 F); schism of thoracic shield small ( Fig. 2 E); anterior margin of tergites without toothed ridge; tergites laterally with single stria ( Fig. 2 A); telopods only with femoral process, lacking tibial process ( Fig. 4 D).................. Nearctomeris new genus