Age

Hettangian

201.4000 – 199.5000 Ma

The Hettangian is the earliest age and lowest stage of the Jurassic Period of the geologic timescale. It spans the time between 201.3 ± 0.2 Ma and 199.3 ± 0.3 Ma. The Hettangian follows the Rhaetian and is followed by the Sinemurian.

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Hettangian
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© Scotese, Christopher R.; Vérard, Christian; Burgener, Landon; Elling, Reece P.; Kocsis, Ádám T. · CC BY 4.0
Fossil genera 128
Massospondylus
Massospondylus
Dinosaurs
Valid Extinct
65 occ.
Eubrontes
Eubrontes
Dinosaurs
Ichnogenus Extinct
55 occ.
Grallator
Grallator
Dinosaurs
Ichnogenus Extinct
40 occ.
Anomoepus
Anomoepus
Dinosaurs
Ichnogenus Extinct
19 occ.
Kayentapus
Kayentapus
Dinosaurs
Ichnogenus Extinct
18 occ.
Anchisauripus
Anchisauripus
Dinosaurs
Ichnogenus Formal taxon Extinct
16 occ.
Parabrontopodus
Parabrontopodus
Dinosaurs
Ichnogenus Formal taxon Extinct
10 occ.
Ichthyosaurus
Ichthyosaurus
Marine reptiles
Valid Extinct
7 occ.
Scutellosaurus
Scutellosaurus
Dinosaurs
Valid Extinct
6 occ.
Dilophosauripus
Dilophosauripus
Dinosaurs
Ichnogenus Formal taxon Extinct
4 occ.
Dilophosaurus
Dilophosaurus
Dinosaurs
Valid Extinct
4 occ.
Lufengosaurus
Lufengosaurus
Dinosaurs
Valid Extinct
4 occ.
Syntarsus
Syntarsus
Dinosaurs
Valid Extinct
4 occ.
Yunnanosaurus
Yunnanosaurus
Dinosaurs
Valid Extinct
4 occ.
Ammosaurus
Ammosaurus
Dinosaurs
Valid Extinct
3 occ.
Lesothosaurus
Lesothosaurus
Dinosaurs
Valid Extinct
3 occ.
1 2 3 4 5 6 7 8
Parent interval
Early Jurassic Epoch