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Anthopleura Xanthogrammica
''Anthopleura'' is a genus of sea anemones, of the family Actiniidae. Etymology Anthopleura is Greek; anthōs, flowers and pleura, ribs. Species According to the World Register of Marine Species The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive catalogue and list of names of marine organisms. Content The content of the registry is edited and maintained by scien ..., this genus includes 49 species: References Actiniidae Hexacorallia genera {{Actiniaria-stub ...
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Arthropleura
''Arthropleura'', from Ancient Greek ἄρθρον (''árthron''), meaning "joint", and πλευρά (''pleurá''), meaning "rib", is an extinct genus of massive myriapoda, myriapod that lived in what is now Europe and North America around 344 to 292 Myr, million years ago, from the Viséan stage of the lower Carboniferous period to the Sakmarian stage of the lower Permian period. It is a millipede, and was capable of reaching at least in length, possibly up to over , making it the largest known land arthropod of all time. ''Arthropleura'' is known from body fossils as well as trace fossils, particularly giant trackways up to wide, and potentially also large burrows. It lived in open, sparsely wooded environments near water, and was possibly amphibious. Classification First discovered in 1849 during construction of a railway near Friedrichsthal in Germany, ''Arthropleura'' has consistently attracted much artistic and scientific attention, yet has historically been known fr ...
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Anthopleura Ballii
''Anthopleura ballii'', commonly known as the red speckled anemone, is a species of sea anemone in the family Actiniidae. It is found in shallow water in the northeastern Atlantic Ocean. Description ''Anthopleura ballii'' has a broad base up to across and a trumpet-shaped column up to high. The surface of the column bears forty-eight longitudinal rows of small warts, each tipped with red. The oral disc is wide and there are up to 96 tapering tentacles arranged in five whorls. These are retractable to a limited extent and are flecked with white. The colouring of this species is variable, being some shade of red or yellow, with the tentacles sometimes having an iridescent green sheen. The warts are non-adhesive. This is in contrast to the closely related glaucous pimplet (''Anthopleura thallia''), which has gravel or debris adhering to the column. Distribution and habitat ''Anthopleura ballii'' is native to northeastern Atlantic Ocean and the coasts of Western Europe. It is fou ...
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Anthopleura Hermaphroditica
''Anthopleura hermaphroditica'', also known as the small brown sea anemone, is a small anemone about 10 mm wide in diameter and very brown in colour. It is native to the waters around Chile and New Zealand. The brownish tinge of its outer surface makes it much harder to distinguish and find unlike some of the other sea anemones. This particular class of anemone can be seen under water as a small brown ring in soft fine sediment and slightly submerged. This brown anemone has quite a high tolerance to changes in salinity and to a high concentration of organic matter in the water. Feeding The small brown anemone feeds on plankton and small animals. Habitat The small brown anemone is distributed throughout estuaries in current-free areas. They all usually found attached to cockles who with they form a commensal relationship as the anemone gets protection and the cockle becomes more camouflaged and so can hide better from predators such as the mud flat whelk (''Cominella g ...
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Anthopleura Handi
''Anthopleura'' is a genus of sea anemones, of the family Actiniidae. Etymology Anthopleura is Greek; anthōs, flowers and pleura, ribs. Species According to the World Register of Marine Species The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive catalogue and list of names of marine organisms. Content The content of the registry is edited and maintained by scien ..., this genus includes 49 species: References Actiniidae Hexacorallia genera {{Actiniaria-stub ...
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Aggregating Anemone
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. This cnidarian hosts endosymbiotic algae called zooxanthellae that contribute substantially to primary productivity in the intertidal zone. The aggregating anemone has become a model organism for the study of temperate cnidarian-algal symbioses. They are most well known for the ability to clone themselves. Description The polyps of the aggregating anemone reach up to eight cm across the oral disk with approximately 100 tentacles in three or four rows around the margins of the oral disk. Most are olive to bright green (depending on the species of algal symbionts present) with tentacles tipped in pink. Individuals that live in microhabitats that are deficient in photosynthetically active radiation (PAR), such as under docks or in caves, lack symbionts and are pale yellow to white in colo ...
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Anthopleura Elegantissima, Isla Santa Cruz
''Anthopleura'' is a genus of sea anemones, of the family Actiniidae. Etymology Anthopleura is Greek; anthōs, flowers and pleura, ribs. Species According to the World Register of Marine Species The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive catalogue and list of names of marine organisms. Content The content of the registry is edited and maintained by scien ..., this genus includes 49 species: References Actiniidae Hexacorallia genera {{Actiniaria-stub ...
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