Xenotrecha huebneri (Kraepelin, 1899), schematic representation of cheliceral morphology, retrolateral aspect. A ♀ (CHNUFPI 1248), Serra do Tepequém, Roraima State, Brazil. B ♂ (CHNUFPI 1247), same locality. Abbreviations: FD, fixed finger, distal tooth; FM, fixed finger, medial tooth; FP, fixed finger, proximal tooth; FSM, fixed finger, submedial tooth; MM, movable finger, medial tooth; MP, movable finger, proximal tooth; MRLC, movable finger, retrolateral carina; MRVC, movable finger, retroventral longitudinal carina; MSM, movable finger, submedial tooth; RFA, retrofondal apical tooth; RFM, retrofondal medial tooth; RFP, retrofondal proximal tooth; RFSP, retrofondal subproximal tooth.