Glowing octocorals have been around for at least 540 million years
WEBApr 23, 2024 · More than half a billion years ago, the deep, dark ocean was aglow with the eerie light of bioluminescent corals, new genetic and fossil analyses suggest. The …
WEBOctocorallia (also known as octocorals, or in earlier times “Alcyonaria”) are a subclass of the class Anthozoa, in the phylum Cnidaria. They are sessile polyp-bearing animals with …
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WEBJul 29, 2011 · The thin tissue of sea pens is called the coenenchyme, and as in all octocorals, is composed of three layers: the outer epidermis and an inner gastrodermis, with a mesogleal layer in the middle. The mesoglea …
WEBIntroduction to the Octocorallia. Although commonly called "soft corals," the Octocorallia are not close relatives of the Scleractinia , or "true corals" living today. Unlike true corals, which have hexaradial symmetry, …
In Coral Fossils, Searching for the First Glow of Bioluminescence
WEBApr 23, 2024 · The dazzling glow of bioluminescence is common in Octocorallia, also known as octocorals, a class of over 3,000 Anthozoa species including sea fans, sea …
Octocorallia - Animalia
WEBOctocorallia (also known as Alcyonaria) is a class of Anthozoa comprising over 3,000 species of marine organisms formed of colonial polyps with 8-fold symmetry. It includes …
Evolution of bioluminescence in Anthozoa with emphasis on …
WEBThis analysis places the origin of bioluminescence in Octocorallia to at least or just prior to the Cambrian era (542 Ma, 95% CI: 463–624 Ma), providing insight into how early this …
WEBMay 22, 2010 · The anthozoan sub-class Octocorallia, comprising approximately 3000 species of soft corals, gorgonians, and sea pens, remains one of the most poorly …
WEBAug 31, 2020 · The evolutionary lability of skeletal composition and form within the Octocorallia suggests a greater ability to adapt readily to changes in ocean chemistry over deep time compared with the ...
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