The centipede family Anopsobiidae new to North America, with the description of a new genus and species and notes on the Henicopidae of North America and the Anopsobiidae of the Northern Hemisphere (Chilopoda, Lithobiomorpha) Author Shear, William A. text Zootaxa 2018 4422 2 259 283 journal article 29146 10.11646/zootaxa.4422.2.6 47816d99-6645-43ad-a52d-33cc68a6a7c7 1175-5326 1455619 F6658C2B-9681-430A-8975-7B3AE2C233EE Zygethobius sokarienus Chamberlin, 1911 Zygethobius sokarienus Chamberlin 1911b : 382 ; Mercurio 2010 : 48 (complete references) “ Zygethobius sokariensus ,” Hollington & Edgecombe 2004 : 25 Only known at this time from Mill Valley , California ( San Francisco Bay Area ). It is difficult to find characters in Chamberlin’s (1912) detailed description, aside from color, to differentiate this species from Z. dolichopus . Reddish brown or chestnut, both ends darker; 11 – 13 mm long. Antennae with 38 or 39 articles, coxosternal teeth 3+3, coxal pores ranging from 2, 3, 3, 3, 3 to 3, 4, 4, 4, 4. Produced tergites 9, 11, 13. The species name is erroneously spelled “ sokariensis ” in Hollington and Edgecombe (2004) .