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Scleractinia, also called stony corals or hard corals, are marine animals in the phylum Cnidaria that build themselves a hard skeleton.The individual animals are known as polyps and have a cylindrical body crowned by an oral disc in which a mouth is fringed with tentacles.
Scolymia, commonly called scoly coral, is a genus of large-polyp stony corals (Scleractinia). These animals are believed date back to the Miocene with three extant species present in the eastern Atlantic Ocean.
The staghorn coral (Acropora cervicornis) is a branching, stony coral, within the Order Scleractinia. It is characterized by thick, upright branches which can grow in excess of 2 meters (6.5 ft) in height and resemble the antlers of a stag , hence the name, Staghorn . [ 4 ]
Scleractinia: Family: Pocilloporidae Gray, 1842 [1] Genera; ... The Pocilloporidae are closely related to the other coral families, Astrocoeniidae and Acroporidae. [1]
Hexacorallia includes coral reef builders: the stony corals (Scleractinia), sea anemones , and zoanthids . Genetic studies of ribosomal DNA has shown Ceriantharia to be a monophyletic group and the oldest, or basal, order among them. [7] Classification according to the World Register of Marine Species: [8] subclass Hexacorallia
Pillar coral (Dendrogyra cylindrus) is a hard coral (order Scleractinia) found in the western Atlantic Ocean and the Caribbean Sea. It is the only species in the monotypic genus Dendrogyra. It is a digitate coral -that is, it resembles fingers (Latin digites) or a cluster of cigars, growing up from the sea floor without any secondary branching ...
Oxypora glabra is a species of scleractinia coral, otherwise known as stony or hard coral, and part of the family Lobophylliidae, which is characteristic of robust coral colonies. [3] Corals are extremely plastic organisms in that their structures rely on their environment, making construction widely variable.
Pavona clavus is a cream, yellow, brown, or pale grey coral typically forming columnar or club-shaped colonies, though it may also form flattened plates. [ 3 ] [ 4 ] The columns are generally smooth and uniform in size, typically measuring up to 20 cm (7.9 in) tall and 3–5 cm (1.2–2.0 in) in diameter. [ 3 ]