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Sea anemones do not fossilize well, having no hard parts, and this one was mistakenly identified as a sea cucumber. Most Actiniaria do not form hard parts that can be recognized as fossils, but a few fossils of sea anemones do exist; Mackenzia, from the Middle Cambrian Burgess Shale of Canada, is the oldest fossil identified as a sea anemone. [45]
The aggregating anemone (Anthopleura elegantissima), or clonal anemone, is the most abundant species of sea anemone found on rocky, tide swept shores along the Pacific coast of North America. [1] This cnidarian hosts endosymbiotic algae called zooxanthellae that contribute substantially to primary productivity in the intertidal zone . [ 2 ]
Anthozoa. Anthozoa is a subphylum of marine invertebrates which includes sessile cnidarians such as the sea anemones, stony corals, soft corals and sea pens. Adult anthozoans are almost all attached to the seabed, while their larvae can disperse as planktons. The basic unit of the adult is the polyp; this consists of a cylindrical column topped ...
Coelenterata is a term encompassing the animal phyla Cnidaria (coral animals, true jellies, sea anemones, sea pens, and their relatives) and Ctenophora (comb jellies). The name comes from Ancient Greek κοῖλος (koîlos) 'hollow' and ἔντερον (énteron) 'intestine', referring to the hollow body cavity common to these two phyla.
Aiptasia is a genus of a symbiotic cnidarian belonging to the class Anthozoa (sea anemones, corals). Aiptasia is a widely distributed genus of temperate and tropical sea anemones of benthic lifestyle typically found living on mangrove roots and hard substrates. These anemones, as well as many other cnidarian species, often contain symbiotic ...
The sebae anemone (Heteractis crispa), also known as leathery sea anemone, long tentacle anemone, or purple tip anemone, is a species of sea anemone belonging to the family Stichodactylidae and native to the Indo-Pacific area. It was first described in 1834 by Wilhelm Hemprich and Christian Gottfried Ehrenberg as Actinia crispa.
Binomial name. Actinia equina. (Linnaeus, 1758) The beadlet anemone (Actinia equina) is a common sea anemone found on rocky shores around all coasts of Western Europe and the Mediterranean Sea, and along the Atlantic coast of Africa as far south as South Africa and Australia. Actinia equina can be found both in exposed and sheltered situations.
Actinia tenebrosa. Farquhar, 1898 [1] Actinia tenebrosa, commonly known as the waratah anemone, is the most common species of sea anemone found in the waters of eastern Australia and New Zealand (where it is known in Māori as kōtore, or kōtoretore). [2][3] It is found relatively high on the seashore, in rock pools, and various cracks and ...