Olenekian
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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 250.8 Ma and 247 Ma. The Ol
Olenekian Buntsandstein in Heligoland, Germany
Skull of the ray-finned fish Birgeria americana
Skull of the temnospondyl amphibian Trematosaurus brauni
Skull of the archosauriform reptile Erythrosuchus africanus
Early Triassic
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The Early Triassic is the first of three epochs of the Triassic Period of the geologic timescale. It spans the time between 251.902 Ma and 247 Ma. Rocks from this epoch are collectively known as the L
Olenekian
…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 250.8 Ma and 247 Ma (million years ago). The Olenekian…
Sandstone from the Lower Triassic Series
The Putorana Plateau is composed of basalt rocks of the Siberian Traps.
Early Triassic brittle stars (echinoderms)
Fossils of the bivalve Claraia clarai