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Borojevia Tubulata
''Borojevia'' is a genus of calcareous sponge in the family Clathrinidae. The genus is named after sponge researcher Radovan Borojevic. Description Calcinea in which the cormus comprises tightly anastomosed tubes. The skeleton contains regular (equiangular and equiradiate) triactines, tetractines and tripods. The apical actine of the tetractines has spines. Aquiferous system asconoid. Species * '' Borojevia aspina'' (Klautau, Solé-Cava & Borojevic, 1994) * '' Borojevia brasiliensis'' (Solé-Cava, Klautau, Boury-Esnault, Borojevic & Thorpe, 1991) * '' Borojevia cerebrum'' (Haeckel, 1872) * ''Borojevia croatica'' Klautau, Imesek, Azevedo, Plese, Nikolic & Cetkovic, 2016 * ''Borojevia crystallina'' Fontana, Cóndor-Luján, Azevedo, Pérez & Klautau, 2018 * '' Borojevia paracerebrum'' (Austin, 1996) * ''Borojevia pirella'' Van Soest & De Voogd, 2018 * '' Borojevia tetrapodifera'' (Klautau & Valentine, 2003) * ''Borojevia tenuispinata'' Azevedo, Padua, Moraes, Rossi, Muricy & Klautau ... [...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] |
Calcareous Sponge
The calcareous sponges of class Calcarea are members of the animal phylum Porifera, the cellular sponges. They are characterized by spicules made of calcium carbonate in the form of calcite or aragonite. While the spicules in most species have three points, in some species they have either two or four points. Biology All sponges in this class are strictly marine, and, while they are distributed worldwide, most are found in shallow tropical waters. Like nearly all other sponges, they are sedentary filter feeders. All three sponge body plans are represented within class Calcarea : asconoid, syconoid, and leuconoid. Typically, calcareous sponges are small, measuring less than in height, and drab in colour. However, a few brightly coloured species are also known. Calcareous sponges vary from radially symmetrical vase-shaped body types to colonies made up of a meshwork of thin tubes, or irregular massive forms. The skeleton has either a mesh or honeycomb structure. Classifica ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Clathrinidae
Clathrinidae is a family of calcareous sponges in the order Clathrinida. It contains the following genera: ''Arturia'' '' Borojevia'' '' Brattegardia'' ''Clathrina'' ''Ernstia ''Ernstia'' is a genus of calcareous sponges in the family Clathrinidae. The genus was erected in 2013 to contain five species previously assigned to ''Clathrina''. The genus name honors German naturalist Ernst Haeckel for his contributions towar ...'' '' Nicola'' References {{calcarea-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Borojevia Aspina
''Borojevia aspina'' is a species of calcareous sponge The calcareous sponges of class Calcarea are members of the animal phylum Porifera, the cellular sponges. They are characterized by spicules made of calcium carbonate in the form of calcite or aragonite. While the spicules in most species hav ... from Brazil. The species name refers to the lack of spines in the apical actine. Description Massive cormus formed of thin, regular and tightly anastomosed tubes similar to those of '' Borojevia brasiliensis'' and '' Borojevia cerebrum''. Oscula are simple apertures surrounded by a thin membrane. They are located on top of conical projections distributed throughout the cormus and receive the excurrent water from water-collecting tubes. In preserved specimens, it is difficult to recognise the oscula. The skeleton has no special organisation, and it comprises triactines, tetractines and tripods. Triactines and tetractines are equiangular and equiradiate; their actines are slight ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Borojevia Brasiliensis
''Borojevia brasiliensis'' is a species of calcareous sponge The calcareous sponges of class Calcarea are members of the animal phylum Porifera, the cellular sponges. They are characterized by spicules made of calcium carbonate in the form of calcite or aragonite. While the spicules in most species hav ... from Brazil, from which the species' name is derived. Description Cormus massive, formed of thin, regular and tightly anastomosed tubes. Oscula are simple openings, surrounded by a thin membrane, and located on the top of short conical projections. They receive water from large water-collecting tubes. The skeleton comprises three kinds of spicule: triactines, tetractines and tripods. The triactines and tetractines are equiradiate and equiangular, with conical actines and blunt tips. The apical actine of the tetractines is shorter and thinner than the facial ones, and it is conical, sharp and covered with short spines. This actine is always projected towards the inside of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Borojevia Cerebrum
''Borojevia cerebrum'' is a species of calcareous sponge from the Mediterranean Sea The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the ea .... The species name refers to the brain-like appearance of the sponge. Description As the cormus of the holotype is fragmented, it was not possible to determine its organization, or establish the presence of water-collecting tubes. In some parts, the tubes have even collapsed, and it is impossible to distinguish them. The wall of the tubes is thin, comprising an irregular meshwork of triactines, tetractines and a few tripods, which are located only on external tubes. Projecting into the interior of the tubes are the apical actines of the tetractines. Spicules are equiangular and equiradiate triactines, tetractines, and tripods. Triactines are the most ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Borojevia Croatica
''Borojevia'' is a genus of calcareous sponge in the family Clathrinidae Clathrinidae is a family of calcareous sponges in the order Clathrinida. It contains the following genera: ''Arturia'' '' Borojevia'' '' Brattegardia'' ''Clathrina'' ''Ernstia ''Ernstia'' is a genus of calcareous sponges in the family Clathr .... The genus is named after sponge researcher Radovan Borojevic. Description Calcinea in which the cormus comprises tightly anastomosed tubes. The skeleton contains regular (equiangular and equiradiate) triactines, tetractines and tripods. The apical actine of the tetractines has spines. Aquiferous system asconoid. Species * '' Borojevia aspina'' (Klautau, Solé-Cava & Borojevic, 1994) * '' Borojevia brasiliensis'' (Solé-Cava, Klautau, Boury-Esnault, Borojevic & Thorpe, 1991) * '' Borojevia cerebrum'' (Haeckel, 1872) * '' Borojevia croatica'' Klautau, Imesek, Azevedo, Plese, Nikolic & Cetkovic, 2016 * '' Borojevia crystallina'' Fontana, Cóndor-Luján, Azevedo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Borojevia Crystallina
''Borojevia'' is a genus of calcareous sponge in the family Clathrinidae. The genus is named after sponge researcher Radovan Borojevic. Description Calcinea in which the cormus comprises tightly anastomosed tubes. The skeleton contains regular (equiangular and equiradiate) triactines, tetractines and tripods. The apical actine of the tetractines has spines. Aquiferous system asconoid. Species * '' Borojevia aspina'' (Klautau, Solé-Cava & Borojevic, 1994) * '' Borojevia brasiliensis'' (Solé-Cava, Klautau, Boury-Esnault, Borojevic & Thorpe, 1991) * '' Borojevia cerebrum'' (Haeckel, 1872) * ''Borojevia croatica ''Borojevia'' is a genus of calcareous sponge in the family Clathrinidae Clathrinidae is a family of calcareous sponges in the order Clathrinida. It contains the following genera: ''Arturia'' '' Borojevia'' '' Brattegardia'' ''Clathrina'' '' ...'' Klautau, Imesek, Azevedo, Plese, Nikolic & Cetkovic, 2016 * '' Borojevia crystallina'' Fontana, Cóndor-Luján, Azevedo, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Borojevia Paracerebrum
''Borojevia paracerebrum'' is a species of calcareous sponge from Mexico. The species is named after its similarity to '' Borojevia cerebrum''. Description The single known specimen was found encrusting on a specimen of '' Euryspongia rosea''. It is ramose, with a smooth surface and is 3 to 4 cm in extent and up to 6 mm thick. The tightly woven anastomosing tubes are 100-180 μm in diameter. The approximately circular openings on the surface are 100-200 μm in diameter. Oscula have not been clearly identified. Large triactines and a few large tetractines occur in the choanosome A choanosome is an inner region of a sponge, supported on the choanoskeleton, the stucture that contains the choanocytes. See also * Choanoderm The choanoderm is a type of cell layer composed of flagellated collar cells, or choanocytes, found .... Approximately a third of the small tetractines have three rows of spines along the distal portion of the apical ray. The large, regular triactin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Borojevia Pirella
''Borojevia'' is a genus of calcareous sponge in the family Clathrinidae. The genus is named after sponge researcher Radovan Borojevic. Description Calcinea in which the cormus comprises tightly anastomosed tubes. The skeleton contains regular (equiangular and equiradiate) triactines, tetractines and tripods. The apical actine of the tetractines has spines. Aquiferous system asconoid. Species * '' Borojevia aspina'' (Klautau, Solé-Cava & Borojevic, 1994) * '' Borojevia brasiliensis'' (Solé-Cava, Klautau, Boury-Esnault, Borojevic & Thorpe, 1991) * '' Borojevia cerebrum'' (Haeckel, 1872) * ''Borojevia croatica'' Klautau, Imesek, Azevedo, Plese, Nikolic & Cetkovic, 2016 * ''Borojevia crystallina ''Borojevia'' is a genus of calcareous sponge in the family Clathrinidae. The genus is named after sponge researcher Radovan Borojevic. Description Calcinea in which the cormus comprises tightly anastomosed tubes. The skeleton contains regular ( ...'' Fontana, Cóndor-Luján, Azevedo, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Borojevia Tetrapodifera
''Borojevia tetrapodifera'' is a species of calcareous sponge The calcareous sponges of class Calcarea are members of the animal phylum Porifera, the cellular sponges. They are characterized by spicules made of calcium carbonate in the form of calcite or aragonite. While the spicules in most species hav ... from New Zealand. The species is named after the presence of tetrapods, the only Clathrinid sponge known to possess such spicules. Description The cormus is formed of thin, regular and tightly anastomosed tubes. It is attached to the substrate by a few tubes, which are not true stalks. There are no water-collecting tubes, but vents on the surface. Cells with granules could not be found because of the state of preservation of the type specimen. The skeleton comprises equiangular and equiradiate triactines and tetractines on the tubes’ interior, and tripods and tetrapods on the exterior delimiting the cormus. The actines of the triactines and tetractines are conical, with ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Borojevia Tenuispinata
''Borojevia'' is a genus of calcareous sponge in the family Clathrinidae. The genus is named after sponge researcher Radovan Borojevic. Description Calcinea in which the cormus comprises tightly anastomosed tubes. The skeleton contains regular (equiangular and equiradiate) triactines, tetractines and tripods. The apical actine of the tetractines has spines. Aquiferous system asconoid. Species * '' Borojevia aspina'' (Klautau, Solé-Cava & Borojevic, 1994) * '' Borojevia brasiliensis'' (Solé-Cava, Klautau, Boury-Esnault, Borojevic & Thorpe, 1991) * '' Borojevia cerebrum'' (Haeckel, 1872) * ''Borojevia croatica'' Klautau, Imesek, Azevedo, Plese, Nikolic & Cetkovic, 2016 * ''Borojevia crystallina'' Fontana, Cóndor-Luján, Azevedo, Pérez & Klautau, 2018 * '' Borojevia paracerebrum'' (Austin, 1996) * ''Borojevia pirella ''Borojevia'' is a genus of calcareous sponge in the family Clathrinidae. The genus is named after sponge researcher Radovan Borojevic. Description Calcinea in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
