The taxon comprises 14 species (cf. George & Gheerardyn 2015; George 2017). Type species: L. typicus T. Scott, 1894. Additional species: L. bicornis A. Scott, 1896, L. gracilipes Lang, 1936, L. hamatus (Thomson, 1882), L. horstgeorgei George & Gheerardyn, 2015, L. macclintocki Schizas & Shirley, 1994, L. mourois Arroyo, George, Benito & Maldonado, 2003, L. multispinatus Kornev & Chertoprud, 2008, L. ornatus Krishnaswamy, 1957, L. propinquus Brady, 1910, L. sabinegeorgeae George & Gheerardyn, 2015, L. spongiosus Schizas & Shirley, 1994, L. whitsoni T. Scott, 1912; species incertae sedis: L. antarcticus Brady, 1918. An amended generic diagnosis was recently provided by George & Gheerardyn (2015). The setation of swimming legs is summarized for all redescribed species in Table 1.