FIGURES 31–37 in New Siberian "spineless" species of Thalassaphorura Bagnall, 1949 (Collembola, Onychiuridae), with a key to world species of the genus

FIGURES 31–37. Thalassaphorura stepensis sp. nov.: 31, habitus and dorsal chaetotaxy; 32, dorsal side of Ant. III and IV; 33, AIIIO; 34, PAO and anterior cephalic pso; 35, tibiotarsal chaetotaxy and claw of leg III; 36, shape of S-chaetae and modified chaetae of MVO (a‒‒Th. terga II‒III, b‒‒Sl chaeta on Abd. terga I‒III, c‒‒Sp chaeta on Abd. tergum V, d‒‒modified chaetae of MVO); 37, chaetotaxy of Abd. sterna II‒VI.