Carnian age
E727669
The Carnian age is an interval of the Late Triassic marked by significant climatic shifts and biotic changes, including early diversification of dinosaurs and other reptiles.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Carnian | 0 |
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
chronostratigraphic unit
ⓘ
geologic age ⓘ |
| associatedWith | Carnian Pluvial Episode NERFINISHED ⓘ |
| characterizedBy |
changes in marine ecosystems
ⓘ
changes in terrestrial ecosystems ⓘ diversification of other reptiles ⓘ early diversification of dinosaurs ⓘ increased rainfall in many regions ⓘ major biotic changes ⓘ significant climatic shifts ⓘ widespread humid climate episode ⓘ |
| chronologicalPosition | earliest age of the Late Triassic ⓘ |
| contains |
Julian substage
NERFINISHED
ⓘ
Tuvalian substage ⓘ |
| correlatesWith | regional terrestrial Triassic stages on multiple continents ⓘ |
| endTime | approximately 227 million years ago ⓘ |
| follows | Ladinian ⓘ |
| hasGSSPStatus | GSSP not yet formally ratified (as of early 21st century) ⓘ |
| hasRank | age ⓘ |
| namedAfter | Carnic Alps NERFINISHED ⓘ |
| partOf |
Late Triassic
ⓘ
Triassic Period NERFINISHED ⓘ |
| precedes | Norian NERFINISHED ⓘ |
| startTime | approximately 237 million years ago ⓘ |
| stratotypeRegion | Southern Alps NERFINISHED ⓘ |
| subdivisionOf | Mesozoic Era NERFINISHED ⓘ |
| timeSpan | approximately 10 million years ⓘ |
| usedFor | dating Triassic rock strata ⓘ |
| usedIn | geologic time scale ⓘ |
| witnessed |
decline of some earlier reptile groups
ⓘ
evolutionary changes in ammonoids ⓘ evolutionary changes in conodonts ⓘ radiation of early dinosaurs ⓘ turnover in marine faunas ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.