Olenyok basin

river in Yakutia, Russia

In the geologic timescale, the Olenekian is an age in the Early Triassic epoch; in chronostratigraphy, it is a stage in the Lower Triassic series. It spans the time between Ma and Ma (million years ago). The Olenekian is sometimes divided into the Smithian and the Spathian subages or substages. The Olenekian follows the Induan and is followed by the Anisian (Middle Triassic).

rural locality (a selo) and the administrative center of Olenyoksky District in the Sakha Republic, Russia, located on the bank of the Olenyok River

Ust-Olenyok (; ) is a rural locality (a selo), the only inhabited locality, and the administrative center of Ystannakhsky Rural Okrug of Bulunsky District in the Sakha Republic, Russia, located from Tiksi, the administrative center of the district. Its population as of the 2010 Census was 27, down from 52 recorded during the 2002 Census.

human settlement in Olenyoksky District, Sakha Republic, Russia

Taymylyr (; ) is a rural locality (a selo) and the administrative center of Tyumetinsky Rural Okrug of Bulunsky District in the Sakha Republic, Russia, located from Tiksi, the administrative center of the district. Its population as of the 2010 Census was 757, down from 900 recorded during the 2002 Census.

Sklad or Tyumyati (; , Tumat) is a rural locality (a selo), the only inhabited locality, and the administrative center of Tumatsky Rural Okrug of Bulunsky District in the Sakha Republic, Russia, located from Tiksi, the administrative center of the district. Its population as of the 2010 Census was 10, up from 9 recorded during the 2002 Census.