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(invertebrate zoology)
An order of the Zoantharia distinguished by the elongate form of the anemone-like body.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



an order of marine invertebrates of the class Anthozoa. The Ceriantharia are solitary polyps that burrow into silt, from which only the brightly colored upper end, with a mouth and numerous highly extensible tentacles, is visible. The body, which has no skeleton, is cylindrical and enclosed in a protective casing of solidified mucus. It ranges in length from 2 to 70 cm. The partitions of the gastral cavity develop in the only zone of growth near one of the narrow sides of the gullet, which is laterally flattened; they are arranged in pairs—a sign of bilateral structure.

The Ceriantharia feed on various small animals, which they capture with their tentacles. Approximately 50 species are known; they are found mainly in tropical seas.


Beklemishev, V. N. Osnovy sravnitel’noi anatomii bespozvonochnykh, 3rd ed., vol. 1. Moscow, 1964.
Zhizn’ zhivotnykh, vol. 1. Moscow, 1968.


The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
We isolated a bacterium, #J292/97, from a homogenized tissue sample of an American tube-dwelling anemone (Ceriantheopsis americanus).