Age
Olenekian
249.9000 – 246.7000 Ma
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 249.9 Ma and 246.7 Ma. 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.
← Geological time scale
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Fossil genera 21
Nothosaurus
Marine reptiles
Valid
Extinct
14 occ.
Coelurosaurichnus
Dinosaurs
Ichnogenus
Extinct
7 occ.
Placodus
Marine reptiles
Valid
Extinct
6 occ.
Mixosaurus
Marine reptiles
Valid
Extinct
5 occ.
Cymatosaurus
Marine reptiles
Valid
Extinct
4 occ.
Cymbospondylus
Marine reptiles
Valid
Extinct
3 occ.
Omphalosaurus
Marine reptiles
Valid
Extinct
2 occ.
Utatsusaurus
Marine reptiles
Valid
Extinct
2 occ.
Anchisauripus
Dinosaurs
Ichnogenus
Formal taxon
Extinct
2 occ.
Thecodontosaurus
Dinosaurs
Valid
Extinct
2 occ.
Neusticosaurus
Marine reptiles
Valid
Extinct
2 occ.
Grallator
Dinosaurs
Ichnogenus
Extinct
2 occ.
Cyamodus
Marine reptiles
Valid
Extinct
1 occ.
Atreipus
Dinosaurs
Ichnogenus
Formal taxon
Extinct
1 occ.
—
Germanosaurus
Marine reptiles
Valid
Extinct
1 occ.
Eubrontes
Dinosaurs
Ichnogenus
Extinct
1 occ.
Tetrasauropus
Dinosaurs
Ichnogenus
Formal taxon
Extinct
1 occ.
Contectopalatus
Marine reptiles
Valid
Extinct
1 occ.
Chaohusaurus
Marine reptiles
Valid
Extinct
1 occ.
Psephosaurus
Marine reptiles
Valid
Extinct
1 occ.
Mikadocephalus
Marine reptiles
Valid
Extinct
1 occ.
Parent interval
Early Triassic
Epoch