Triassic
Dinosaurs' dawn epoch
The Triassic is the earliest period of the Mesozoic Era, spanning roughly 252 to 201 million years ago.
It followed the largest mass extinction in Earth's history and saw the first dinosaurs and mammals appear.
As an adjective, Triassic describes fossils, rocks, or life forms from this period: Triassic sediments, Triassic reptiles.
Prehistoric unified landmass
- GondwanaAncient southern supercontinent
- TethysGreek sea titaness
- riftingGeological spreading apart
- supercontinentCombined planetary landmass
tectonics · volcanism · basalt · sedimentology · evaporites · limestone · dolomite · continental drift
Age of Reptiles
- PermianLate Paleozoic geological period
- PaleozoicEarly complex-life epoch
- CretaceousFinal Mesozoic period
- PaleoceneEarliest Cenozoic epoch
Cenozoic · geochronology · stratigraphy · radiometric dating · deep time
Ruling reptile clade member
- dinosaurExtinct Mesozoic reptile
- pterosaurExtinct flying reptile
- ichthyosaurMesozoic ocean-dwelling reptile
- plesiosaurExtinct marine reptile
Large-scale species elimination
- recoveryRegaining what was lost
- radiationEnergy propagation through space
- survivalRemaining alive against odds
- biodiversityRange of life forms
Pangaea
Prehistoric unified landmass
supercontinent · tectonics · volcanism · basalt · sedimentology · evaporites · limestone · dolomite · continental drift · orogeny
Mesozoic
Age of Reptiles
- PermianLate Paleozoic geological period
- PaleozoicEarly complex-life epoch
- CretaceousFinal Mesozoic period
Paleocene · Cenozoic · geochronology · stratigraphy · radiometric dating · deep time
archosaur
Ruling reptile clade member
- dinosaurExtinct Mesozoic reptile
- pterosaurExtinct flying reptile
- ichthyosaurMesozoic ocean-dwelling reptile
mass extinction
Large-scale species elimination
- recoveryRegaining what was lost
- radiationEnergy propagation through space
- survivalRemaining alive against odds
biodiversity · anoxia · volcanic winter · ocean acidification
cycad
Palmlike ancient seed plant
Julian
Relating to a famous Roman
- Mesozoicdinosaurs, Velociraptor, Brachiosaurus, Spinosaurus, pterosaurs
- dinosaursdinosaurs, Velociraptor, Brachiosaurus, raptors, Spinosaurus
- time periodsday, year, month, week, hour
- Earth historyice age, geological time, extinction, eons, fossil
- geologic historyCambrian, Ordovician, Silurian, Devonian, Carboniferous
- geologic timeeons, eon, epochs, era, epoch
TriassicCretaceous
Final Mesozoic period
Jurassic · Permian · Quaternary · Cenozoic · Holocene
- Triassic periodFirst Mesozoic geological span