Statements (66)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological age
|
| gptkbp:associated_with |
gptkb:Tethys_Ocean
|
| gptkbp:climate |
warm and humid
|
| gptkbp:duration |
approximately 8 million years
|
| gptkbp:finish |
117 million years ago
|
| gptkbp:follows |
Barremian
|
| gptkbp:fossilRecord |
gptkb:Dinosaurs
Foraminifera Ammonites Bivalves |
| gptkbp:foundedIn |
125 million years ago
|
| gptkbp:geologicalFeatures |
Aptian_stage
|
| https://www.w3.org/2000/01/rdf-schema#label |
Aptian
|
| gptkbp:is_characterized_by |
marine transgressions
|
| gptkbp:notable_event |
Increased biodiversity
Evolution of mammals Changes in species distribution Development of coral reefs Evolution of reptiles Formation of coal deposits Formation of sedimentary basins Changes in atmospheric composition Changes in climate patterns Changes in marine food webs Changes in ocean currents Changes in oceanic chemistry Changes in predator-prey relationships Changes in reproductive strategies Changes in sea level Changes in species interactions Changes in terrestrial habitats Development of new coral species Development of new ecosystems Development of new plant species Development of planktonic organisms Diversity of marine life increased Expansion of dinosaurs Extinction of some species Formation of new biogeographic regions Formation of new continents Formation of new ecological niches Formation of new geological features Formation of new marine habitats Formation of new mineral deposits Formation of oil reserves Increased competition among species Increased rates of evolution Increased rates of extinction Increased sedimentation rates Increased tectonic activity Major volcanic activity Rise of predatory fish Formation_of_the_Atlantic_Ocean |
| gptkbp:notableFeature |
Limestone
Sandstone Shale |
| gptkbp:partOf |
Cretaceous period
|
| gptkbp:precededBy |
Albian
|
| gptkbp:region |
gptkb:Asia
gptkb:Australia gptkb:North_America gptkb:South_America gptkb:Antarctica Africa Europe |
| gptkbp:significantEvent |
Early flowering plants appeared
|