Octoglena claraqua, n. sp. (Polyzoniida: Hirudisomatidae), a new milliped from Idaho, USA; first record of the order from the western interior of North America Author Shelley, Rowland M. Author Richart, Casey H. Author Bogan, Arthur E. text Zootaxa 2010 2446 55 64 journal article 10.5281/zenodo.195063 249c9409-851e-4342-9401-19b3cf4fdeca 1175-5326 195063 Mexiconium absidatum Shelley, 1996 Mexiconium absidatum Shelley, 1996 :135 , figs. 4, 31–38. Hoffman, 1999 :29 . Bueno-Villegas et al ., 2004 :586 . Distribution. Known only from the type locality on the north side of Cofre de Perote, 13.3 mi ( 21.8 km ) S La Vigas, Veracruz, Mexico ( Fig. 9 ).