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Eudendriidae
Eudendriidae is a taxonomic family of hydroids (Hydrozoa). The family contains around 85 species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), .... Genera *'' Eudendrium'' Ehrenberg, 1834 *'' Myrionema'' Pictet, 1893 Retrieved July 5, 2012 References External links *Marine Biodiversity and Ecosystem Functioning [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eudendrium
''Eudendrium'' is a large genus of hydroids (Hydrozoa), one of two in the family Eudendriidae. These animals are marine cnidarias in the family Eudendriidae Eudendriidae is a taxonomic family of hydroids (Hydrozoa). The family contains around 85 species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can pro .... Species Species so far described in this genus include: Retrieved August 3, 2012 * '' Eudendrium album'' Nutting, 1898 * '' Eudendrium angustum'' Warren, 1908 * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Myrionema (hydrozoan)
''Myrionema'' is a genus of hydrozoans belonging to the family Eudendriidae. The species of this genus are found in Caribbean and Malesia Malesia is a biogeographical region straddling the Equator and the boundaries of the Indomalayan and Australasian realms. It is a phytogeographical floristic region in the Paleotropical kingdom. It was first recognized as a distinct region .... Species: *'' Myrionema amboinense'' *'' Myrionema hargitti'' References Eudendriidae Hydrozoan genera {{Anthoathecata-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eudendrium Racemosus
''Eudendrium racemosum'' is a marine species of cnidaria, a hydroid (Hydrozoa) in the family Eudendriidae Eudendriidae is a taxonomic family of hydroids (Hydrozoa). The family contains around 85 species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can pro .... It was described by Cavolini in 1785.World Register of Marine Species Retrieved November 9, 2012 Hydroids are one of the most abundant organisms in hard-substratum benthic communities, more specifically in temperate seas, such as the Mediterranean. Similar to most modular organisms, they have high growth rates. In fact, ''E racemosum'' has been frequently found in northeastern Spain, specifically in Medes Islands, showing a maximum population densit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flabellina Affinis
''Flabellina affinis'' is a species of sea slug within the clade of aeolid nudibranch; a marine gastropod mollusk in the family Flabellinidae. Distribution This species is found in depths to 50 m in European waters in the Atlantic Ocean from Portugal to Ghana and the Canaries and is widespread in the Mediterranean Sea.Rudman, W.B., 1999 (July 6''Flabellina affinis'' (Gmelin, 1791). n/nowiki> Sea Slug Forum. Australian Museum, Sydney. Description The species can grow to a length of 50 mm. It feeds primarily on species of ''Eudendrium ''Eudendrium'' is a large genus of hydroids (Hydrozoa), one of two in the family Eudendriidae. These animals are marine cnidarias in the family Eudendriidae Eudendriidae is a taxonomic family of hydroids (Hydrozoa). The family contains aro ...'', a very common hydroid genus in the Mediterranean Sea. ''Flabellina affinis'' is often confused with '' Paraflabellina ischitana'', but can be distinguished as follows: *''Flabellina affin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Taxonomy (biology)
In biology, taxonomy () is the science, scientific study of naming, defining (Circumscription (taxonomy), circumscribing) and classifying groups of biological organisms based on shared characteristics. Organisms are grouped into taxon, taxa (singular: taxon), and these groups are given a taxonomic rank; groups of a given rank can be aggregated to form a more inclusive group of higher rank, thus creating a taxonomic hierarchy. The principal ranks in modern use are domain (biology), domain, kingdom (biology), kingdom, phylum (''division'' is sometimes used in botany in place of ''phylum''), class (biology), class, order (biology), order, family (biology), family, genus, and species. The Swedish botanist Carl Linnaeus is regarded as the founder of the current system of taxonomy, having developed a ranked system known as Linnaean taxonomy for categorizing organisms. With advances in the theory, data and analytical technology of biological systematics, the Linnaean system has transfo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hydroids
Hydroids are a life stage for most animals of the class Hydrozoa, small predators related to jellyfish. Some hydroids such as the freshwater '' Hydra'' are solitary, with the polyp attached directly to the substrate. When these produce buds, they become detached and grow on as new individuals. The majority of hydroids are colonial. The original polyp is anchored to a solid substrate and forms a bud which remains attached to its parent. This in turn buds and in this way a stem is formed. The arrangement of polyps and the branching of the stem is characteristic of the species. Some species have the polyps budding directly off the stolon which roots the colony. The polyps are connected by epidermis which surrounds a gastrovascular cavity. The epidermis secretes a chitinous skeleton which supports the stem and in some hydroids, the skeleton extends into a cup shape surrounding the polyp. Most of the polyps are gastrozooids or feeding polyps, but some are specialised reproduc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hydrozoa
Hydrozoa (hydrozoans; from Ancient Greek ('; "water") and ('; "animals")) is a taxonomy (biology), taxonomic class (biology), class of individually very small, predatory animals, some solitary and some colonial, most of which inhabit saline water. The colony (biology), colonies of the colonial species can be large, and in some cases the specialized individual animals cannot survive outside the colony. A few genus, genera within this class live in freshwater ecosystem, freshwater habitats. Hydrozoans are related to jellyfish and corals, which also belong to the phylum (biology), phylum Cnidaria. Some examples of hydrozoans are the freshwater jelly (''Craspedacusta sowerbyi''), freshwater polyps (''Hydra (genus), Hydra''), ''Obelia'', Portuguese man o' war (''Physalia physalis''), chondrophores (Porpitidae), and pink-hearted hydroids (''Tubularia''). Anatomy Most hydrozoan species include both a polyp (zoology), polypoid and a medusa (biology), medusoid stage in their Biological ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Species
A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. Other ways of defining species include their karyotype, DNA sequence, morphology (biology), morphology, behaviour, or ecological niche. In addition, palaeontologists use the concept of the chronospecies since fossil reproduction cannot be examined. The most recent rigorous estimate for the total number of species of eukaryotes is between 8 and 8.7 million. About 14% of these had been described by 2011. All species (except viruses) are given a binomial nomenclature, two-part name, a "binomen". The first part of a binomen is the name of a genus to which the species belongs. The second part is called the specific name (zoology), specific name or the specific ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
