Synonyms
Algal symbionts; Symbiodinium
Definition
The term “zooxanthellae” refers to a paraphyletic group of yellow-brown microalgae, including certain dinoflagellates, diatoms, cryptophytes, chrysophytes (golden algae), and rhodophytes (red algae), that are found in mutualistic symbiosis with a variety of invertebrate and protist hosts. “Zooxanthellae” is a plural noun (singular: zooxanthella) derived from the Greek words zoo (animal), xanthos (yellow), and ella (diminutive): “yellow animal cells.” On coral reefs, vernacular usage almost exclusively refers to the symbiotic dinoflagellates in the genus Symbiodinium that are commonly found in certain corals, anemones, jellies, clams, worms, sponges, and other reef organisms.
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Baker, A.C. (2011). Zooxanthellae. In: Hopley, D. (eds) Encyclopedia of Modern Coral Reefs. Encyclopedia of Earth Sciences Series. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-2639-2_280
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