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Coelosphaeridium, calcareous alga
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Coelosphaeridium, calcareous alga
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Media ID 8602141
© Mary Evans Picture Library 2015 - https://copyrighthub.org/s0/hub1/creation/maryevans/MaryEvansPictureID/10705132
Alga Algae Algal Aquatic Calcareous Calcium Carbonate Carbonate Carbonate Mineral Eukaryote Eukaryotic Fossil Fossilised Kenrick Mineral Norway Paul Kenrick Protist Protista Scandinavia Chlorophyta Green Alga Green Algae
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1. Title: "Coelosphaeridium Calcareous Algae: A Fossilized Testament to Ancient Aquatic Life in Scandinavia" This image showcases a remarkable specimen of Coelosphaeridium, a calcareous alga once abundant in the ancient waters of Norway and other European regions during the late Paleocene and early Eocene epochs. Coelosphaeridium, a type of colonial green alga belonging to the Ulvophyceae, Dasycladales, and Dasycladaceae, is distinguished by its unique, spherical, calcareous tests or shells. These tests, composed primarily of calcium carbonate, served as protective homes for the algae, allowing them to thrive in nutrient-rich aquatic environments. The fossilized Coelosphaeridium in this photograph, captured by renowned photographer Paul Kenrick, offers a glimpse into the past, revealing the intricate details of these ancient organisms. The algae's tests, which range from 0.5 to 2 millimeters in diameter, are intricately textured and display a beautiful, concentric pattern. The fossilized tests are often found in large numbers, indicating the colonies' former abundance in the ancient seabed. Coelosphaeridium's fossilized remains serve as valuable records of past marine environments and provide essential insights into the evolution of eukaryotic organisms, particularly those within the Chlorophyta division. The discovery and study of these fossils contribute to our understanding of Earth's biosphere and the diverse array of life that has existed throughout history. This photograph is a testament to the beauty and complexity of the natural world, showcasing the intricacies of a long-extinct, yet once-thriving, aquatic organism. The image invites us to reflect on the rich history of life on Earth and the ongoing process of discovery and exploration.
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