Lagynochthonius laoxueyanensis sp. nov., holotype male A carapace (dorsal view) with a detail of anterior margin B left chelicera (dorsal view) with details of teeth and tip of movable finger C coxal spines on coxae II (ventral view) D rallum E left pedipalp (minus chela, dorsal view) F left chela (lateral view) with details of teeth and with trichobothrial pattern (abbreviations explained in Material and methods) G finger tips of chela (lateral view) with detail of modified tooth H leg I without trochanter (lateral view) I leg IV (lateral view). Scale bars: 0.25 mm (A, B, E, F, H, I); 0.10 mm (C, D, G).