Articles tagged with Eocene Epoch
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A study has found that high-latitude phytoplankton communities responded to a pre-PETM warming event, highlighting the importance of examining background intervals in determining ecosystem change. The results suggest even small environmental changes can have dramatic impacts on marine ecosystems.
A new study by Connecticut College reveals that palm trees once thrived in subarctic Canada during the late early Eocene, approximately 48 million years ago. This finding indicates a warmer climate with ice-free winters, unlike previous assumptions.
A new Stanford review of hundreds of studies found little to no sediment dating back to the 34 million-year-old Eocene-Oligocene climate transition, contradicting conventional models. The researchers attribute this globally extensive gap in the geologic record to vigorous ocean bottom currents triggered by major climate shifts.
Scientists have discovered three new extinct walnut species on a Canadian island above the Arctic Circle, preserved in a unique form of fossilization known as mummification. The fossils provide valuable information about the Earth's climate and ecosystems during the middle Eocene period, when forests covered the region.
Frogs from the genus Eleutherodactylus are geologically the oldest Caribbean vertebrates to be found in Florida. They arrived in North America much earlier than previously thought, with evidence suggesting they reached the peninsula through overwater dispersal on flotsam or other buoyant debris.
A new species of extinct whale, Tutcetus rayanensis, has been discovered in Egypt's ancient sea, providing unprecedented insights into the life history and phylogeny of early whales. The discovery sheds light on the transition from land to sea and the evolution of whales.
Researchers from University of Colorado Boulder identified a fossil chili pepper that may rewrite the geography and evolutionary timeline of the tomato plant family. The team's findings suggest that chili peppers were present in North America at least 50 million years ago.
Fossilized mammals reveal that early primates adapted to life in the high Arctic during a time of intense global warming, with limited biodiversity. Two new species, Ignacius dawsonae and Ignacius mckennai, were identified as close relatives of early primates, exhibiting distinct adaptations for their unusual environment.
Research by University of Texas Institute for Geophysics reveals how ancient global warming affected the Gulf of Mexico's marine life and chemistry. The study found that radiolarians thrived in the Gulf due to nutrient-rich river sediments, providing valuable lessons about current climate change.
Researchers have identified two new palaeotheriidae mammals, 'Leptolophus cuestai' and 'Leptolophus franzeni', from the Eocene epoch in Spain. These ancient animals had atypical dental features and were smaller than modern horses.
Researchers discovered that volcanic eruptions in Greenland and Iceland could have caused cooling episodes during the Eocene Epoch, solving a long-standing mystery about glendonites. This finding suggests that abrupt climate change is possible even in otherwise warmer climates.
Researchers have discovered a new species of microorganism that thrived 55 million years ago during a period of abrupt global warming. The 'giant' magnetofossils, which are up to eight times larger than previously known ones, provide valuable insights into the potential effects of significant climate changes on life.