Protaphorura nikolai: 18 habitus and dorsal chaetotaxy 19 dorsal side of Ant. III–IV 20 tip of Ant. IV 21PAO and anterior cephalic pseudocelli 22 right part of head ventrally 23 tibiotarsal chaetotaxy and claw of leg III 24 chaetotaxy of Abd. sternum IV 25 chaetotaxy of Abd. tergum VI.

  Part of: Kaprus' I, Weiner W, Pasnik G (2016) Collembola of the genus Protaphorura Absolon, 1901 (Onychiuridae) in the Eastern Palearctic: morphology, distribution, identification key. ZooKeys 620: 119-150.