A systematic revision of the South African Gymnobisiidae (Pseudoscorpiones: Neobisioidea) Author Neethling, J. A. 0000-0003-1702-9566 Terrestrial Invertebrates Department, National Museum, P. O. Box 266, Bloemfontein 9300, South Africa. ja. neethling @ nasmus. co. za; https: // orcid. org / 0000 - 0003 - 1702 - 9566 ja.neethling@nasmus.co.za Author Neethling, C. 0009-0003-6492-4798 Research Quality and Support, Clinglobal Limited, P. O. Box 11186, Bloemfontein 9321, South Africa. carmen. neethling @ clinglobal. com; https: // orcid. org / 0009 - 0003 - 6492 - 4798 carmen.neethling@clinglobal.com text Zootaxa 2023 2023-03-23 5256 6 501 543 http://dx.doi.org/10.11646/zootaxa.5256.6.1 journal article 10.11646/zootaxa.5256.6.1 1175-5326 7762456 057285E1-92C9-4D76-921A-CE3C85D0D3B1 Genus Beierobisium Vitali-di Castri, 1970 Beierobisium Vitali-di Castri, 1970: 2; Muchmore, 1972: 267–268 ; Harvey, 1992: 1409 ; Harvey, 1996: 258 . Type species: Beierobisium oppositum Vitali-di Castri, 1970. Remarks . The genus can be identified by the presence of a curved dorsal spur near the base of the fixed chelal finger in male specimens. The genus consists only of its type species and its distribution is restricted to the Falkland Islands . Species included: Beierobisium oppositum Vitali-di Castri, 1970.