Graptolites show us how unpredictable the Silurian period really could be. What graptolites tell us is a story of incredible changes in the ocean, of periods where the oceans became poisonous and ...
The Silurian Period is characterised by a dynamic interplay between environmental stressors and biotic turnover, with extinction events and carbon isotope excursions (CIEs) representing pivotal ...
Time travel with insects -- The buggy planet -- Rise of the arthropods -- The Cambrian period, 541-485 million years ago, and the Ordovician period, 485-444 million years ago -- Silurian landfall -- ...
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