what was the environment like during the devonian period?

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Global climate in the Devonian period was unusually mild 🔥 Average ocean temperatures were only 80-85 degrees Fahrenheit, compared to 120 during previous Ordovician or Silurian periods 🙌 Only the North and South Poles had a marginally lower temperature than those closer to the Equator. There were also no ice caps and the glaciers could only be found on top of high mountains. Euramerica was formed gradually by the small continents Laurentia, Baltica, and Gondwana. This giant, which would eventually break down into South America, Antarctica and Australia, continued its slow southward movement.🔥 [1]
Part of the Paleozoic Era, the Devonian is also known as The Age of Fishes because it produced a wide variety of fish. One of the most impressive was the armouredd plaoderms. These fish were first discovered during the Silurian. They have had powerful jaws that were lined with plates-like blades that served as teeth and had strong jaws. The first placoderms ate mollusks. Later species evolved to be fish-slicing beasts up to 33ft (10 metres). Some bone-plated fish also developed unusual forms. Some fossil specimens have horseshoe-shaped heads, while others look like shields. Brian Martin, Kota (India) on May 17, 2021 edited this article. [2]
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Scott Bullard at, describes how the cooling episode may be partly explained by the emergence of photosynthetic plants in Earth’s first forests. Photosynthetic plants remove carbon dioxide – a greenhouse gas – from the atmosphere, and this may have contributed to the lower temperatures. But the “big chill” can also be explained by the positions of the continents themselves. The major reconstruction of landmass, such as that which was involved in Pangea’s formation, causes oceans to close and water currents to be drastically altered. (40kb)Ocean currents, which redistribute heat all around the planet and are important temperature regulators, cause changes in their circulation. This in turn leads to climate change. Last revised by Tyann Meek from Aurangabad (India) 5 weeks ago. [3]
The Age of Fishes is also known for the Devonian. The thousands of fish species that evolved in Devonian waters are what make it so famous. The Devonian rocks contain fish fossils that prove this. Fish were born without jaws, and their support structures consisted of cartilage. This material doesn’t fossilize well, so the earliest fossils were of fish whose outside skin was protected by scales and plates made of boney tissue. These fish were called Ostracoderms. These fish were known as Ostracoderms. Name means “shell-skins.” These animals appear in rock from the late Silurian and early Devonian periods. Alina Peoples, March 21, 2021. [4]

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Mehreen Alberts

Written by Mehreen Alberts

I'm a creative writer who has found the love of writing once more. I've been writing since I was five years old and it's what I want to do for the rest of my life. From topics that are close to my heart to everything else imaginable!

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