Earth during the Phanerozoic | Ordovician period (485.4 – 443.8 million years ago)
Автор: Explore the history of Earth
Загружено: 2025-12-25
Просмотров: 439
This video takes viewers back in time to the Ordovician Period (approximately 485 to 444 million years ago), a time of dramatic change in Earth's history. Key contents include:
The Great Biodiversification Event: An explosion of life beneath the ocean with species such as trilobites, corals, and crinoids (sea lilies).
Giant Predators: The appearance of the first sea monsters, such as giant straight-shelled nautiloids (Orthocones) and sea scorpions.
Life Moves to Land: The first traces of plants begin to green the barren continents.
Mass Extinction: The era ends tragically with the Hirnantian glaciation, causing a mass extinction event that wiped out 85% of marine life.
@ExploreEarthHistory #EarthHistory #Ordovician #Paleontology #PrehistoricLife #Science
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