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 Speleopsobius , new genus Type species: Speleopsobius weaveri , new species Diagnosis. Differs from all other North American henicopid and anopsobiid genera in the characteristic deep, subtriangular embayments of some of the tergites, in the high number (up to 60) of antennal articles and in the length of the largest adults, about twice that of any other North American anopsobiid or henicopid. Description. As for the type and only species, see below. Distribution. Lava tubes in south-central Idaho . Etymology. Greek “Speleo-“ indicating the underground habitat, combined with “-opsobius” to indicate placement in the Anopsobiidae . Gender is masculine.