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Halianthella
''Halianthella'' is a genus of sea anemones in the family Halcampidae Halcampidae is a family of sea anemones. Members of this family usually live with their column buried in sand or other soft substrates. Genera Genera in the family include: * '' Acthelmis'' Lütken, 1875 * '' Cactosoma'' Danielssen, 1890 * '' Ca .... Species Species in the genus include: * '' Halianthella annularis'' Carlgren, 1938 * '' Halianthella kerguelensis'' (Studer, 1879) References Halcampidae Hexacorallia genera {{Actiniaria-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Halianthella Kerguelensis
''Halianthella'' is a genus of sea anemones in the family Halcampidae Halcampidae is a family of sea anemones. Members of this family usually live with their column buried in sand or other soft substrates. Genera Genera in the family include: * '' Acthelmis'' Lütken, 1875 * '' Cactosoma'' Danielssen, 1890 * '' Ca .... Species Species in the genus include: * '' Halianthella annularis'' Carlgren, 1938 * '' Halianthella kerguelensis'' (Studer, 1879) References Halcampidae Hexacorallia genera {{Actiniaria-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Halianthella Annularis
The brooding anemone, ''Halianthella annularis'', is a species of sea anemone in the family Halcampidae Halcampidae is a family of sea anemones. Members of this family usually live with their column buried in sand or other soft substrates. Genera Genera in the family include: * '' Acthelmis'' Lütken, 1875 * '' Cactosoma'' Danielssen, 1890 * '' Ca ...,.Branch, G.M., Branch, M.L, Griffiths, C.L. and Beckley, L.E. 2010. ''Two Oceans: a guide to the marine life of southern Africa'' Description The brooding anemone is a pale, fragile-looking anemone, having 24 long, transparent tentacles.Jones, Georgina. ''A field guide to the marine animals of the Cape Peninsula.'' SURG, Cape Town, 2008. Distribution It is found only around the South African coast, from Lamberts Bay to Cape Agulhas. Ecology This anemone is found subtidally down to at least 20m under water. It favours sheltered areas and overhangs. Juveniles are brooded in a fold of the skin on the column of the parent. R ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Halcampidae
Halcampidae is a family of sea anemones. Members of this family usually live with their column buried in sand or other soft substrates. Genera Genera in the family include: * '' Acthelmis'' Lütken, 1875 * '' Cactosoma'' Danielssen, 1890 * '' Calamactinia'' Carlgren, 1949 * '' Calamactis'' Carlgren, 1951 * '' Halcampa'' Gosse, 1858 * '' Halcampaster'' * '' Halcampella'' Andres, 1883 * '' Halcampoides'' Danielssen, 1890 * '' Halianthella'' * '' Kodioides'' * ''Mena'' * '' Metedwardsia'' * '' Neohalcampa'' * '' Parahalcampa'' * '' Pentactinia'' Carlgren, 1900 * '' Scytophorus'' Hertwig, 1882 * '' Siphonactinopsis'' Carlgren, 1921 Characteristics Species of Halcampidae mostly have elongated columns which are sometimes differentiated into different regions. The base is usually rounded but in some species it is flattened. There is no sphincter. There are up to forty tentacles, all of equal length. There are up to twenty pairs of perfect mesenteries (internal partitions) with strong re ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus comes above species and below family (taxonomy), family. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus. :E.g. ''Panthera leo'' (lion) and ''Panthera onca'' (jaguar) are two species within the genus ''Panthera''. ''Panthera'' is a genus within the family Felidae. The composition of a genus is determined by taxonomy (biology), taxonomists. The standards for genus classification are not strictly codified, so different authorities often produce different classifications for genera. There are some general practices used, however, including the idea that a newly defined genus should fulfill these three criteria to be descriptively useful: # monophyly – all descendants ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sea Anemone
Sea anemones are a group of predation, predatory marine invertebrates of the order (biology), order Actiniaria. Because of their colourful appearance, they are named after the ''Anemone'', a terrestrial flowering plant. Sea anemones are classified in the phylum Cnidaria, class Anthozoa, subclass Hexacorallia. As cnidarians, sea anemones are related to corals, jellyfish, tube-dwelling anemones, and ''hydra (genus), Hydra''. Unlike jellyfish, sea anemones do not have a Jellyfish#Life history and behavior, medusa stage in their life cycle. A typical sea anemone is a single polyp (zoology), polyp attached to a hard surface by its base, but some species live in soft sediment, and a few float near the surface of the water. The polyp has a columnar trunk topped by an oral disc with a ring of tentacles and a central mouth. The tentacles can be retracted inside the body cavity or expanded to catch passing prey. They are armed with cnidocytes (stinging cells). In many species, additional n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Family (biology)
Family ( la, familia, plural ') is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between order and genus. A family may be divided into subfamilies, which are intermediate ranks between the ranks of family and genus. The official family names are Latin in origin; however, popular names are often used: for example, walnut trees and hickory trees belong to the family Juglandaceae, but that family is commonly referred to as the "walnut family". What belongs to a family—or if a described family should be recognized at all—are proposed and determined by practicing taxonomists. There are no hard rules for describing or recognizing a family, but in plants, they can be characterized on the basis of both vegetative and reproductive features of plant species. Taxonomists often take different positions about descriptions, and there may be no broad consensus across the scientific community for some time. The publishing of new data and opini ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
