Mayr, 1863a: 427; Roger, 1863b: 14; Emery & Forel, 1879: 454 (Europe); Cresson, 1887: 258 (U.S.A.); Dalla Torre, 1893: 52, 162 (†Poneropsis, Liometopum); Emery, 1913a: 19; Chapman & Capco, 1951: 192 (Asia); Smith, 1951c: 835 (North America); Smith, 1979: 1417 (North America); Shattuck, 1994: 128; Bolton, 1995b: 247, 363 (Liometopum, †Poneropsis).
Mayr, 1865: 9 (diagnosis); Forel, 1878c: 383 (diagnosis); André, 1882c: 220 (Europe & Algeria species); Bingham, 1903: 289 (diagnosis); Wheeler, 1905h: 322 (North America species); Emery, 1913a: 19 (diagnosis); Creighton, 1950a: 338 (Nearctic species key); Gregg, 1963: 438 (U.S.A., Colorado species key); Taylor, 1964: 135 (review of †Poneropsis); Bernard, 1967a: 253 (diagnosis); Wheeler & Wheeler, 1986g: 55 (U.S.A., Nevada species key); Shattuck, 1992c: 121 (diagnosis, review of genus); Bolton, 1995a: 1050 (census); Dlussky, 1997a: 55 (in Baltic amber genera key); Mackay & Mackay, 2002: 232 (U.S.A., New Mexico species key); Del Toro et al., 2009: 306 (all species revision, key); Dlussky & Putyatina, 2014: 245 (diagnosis, compression fossils); Dlussky et al., 2015 (diagnosis for fossil imprints); Cantone, 2017: 121 (brief male diagnosis); Borowiec & Salata, 2022: 40 (diagnosis).
Extant: 7 valid species (4 synonyms, 4 obsolete combinations), 0 valid subspecies (1 synonym, 3 obsolete combinations)
Fossil: 21 valid species (6 synonyms, 4 obsolete combinations), 0 valid subspecies (2 synonyms)