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Bathyechiniscus
''Bathyechiniscus tetronyx'' is a species of tardigrades. It is the only species of the genus ''Bathyechiniscus'', which belongs to the family Styraconyxidae. The species and genus were named by Gotthold Steiner in 1926, for the presence of four different exposed points or hooks on each claw. The species has been found in the Davis Sea, on the eastern coast of Antarctica.Bathyechiniscus tetronyx 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.
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Styraconyxidae
The Styraconyxidae are a family of tardigrade Tardigrades (), known colloquially as water bears or moss piglets, are a phylum of eight-legged segmented micro-animals. They were first described by the German zoologist Johann August Ephraim Goeze in 1773, who called them . In 1776, th ...s. The family was first described by Reinhardt Møbjerg Kristensen and Jeanne Renaud-Mornant in 1983. Genera The family includes the following genera: * '' Angursa'' Pollock, 1979 * '' Bathyechiniscus'' Steiner, 1926 * '' Lepoarctus'' Kristensen & Renaud-Mornant, 1983 * '' Paratanarctus'' D'Addabbo Gallo, Grimaldi de Zio, Morone De Lucia & Troccoli, 1992 * '' Pleocola'' Cantacuzène, 1951 * '' Raiarctus'' Renaud-Mornant, 1981 * '' Rhomboarctus'' Renaud-Mornant, 1984 * '' Styraconyx'' Thulin, 1942 * '' Tetrakentron'' Cuénot, 1892 * '' Tholoarctus'' Kristensen & Renaud-Mornant, 1983 References Further reading *Kristensens & Renaud-Mornant, 1983 : ''Existence d'arthrotardigrades semi- ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gotthold Steiner
Gotthold is a name of German origin. People with the name include: People with the given name *Gotthold Eisenstein (1823–1852), German mathematician * Gotthold Gloger (1924–2001), German writer and painter * Samuel Gotthold Lange (1711-1781), German poet *Gotthold Ephraim Lessing (1729—1781), German writer, philosopher, dramatist, publicist, and art critic *Gotthold Salomon (1784-1862), German rabbi, politician and Bible translator. *Gotthold Schwarz (born 1952), German bass-baritone singer and conductor People with the surname * Helene Gotthold (1896–1944), a Jehovah's Witness executed by the Nazis See also * Grube Gotthold, a former mine in eastern Germany * Gottfried * Gotthelf, Gotthilf * Gottheil * Gottlieb * Gottschalk Gottschalk or Godescalc (Old High German) is a male German name that can be translated literally as "servant of God". Latin forms include ''Godeschalcus'' and ''Godescalcus''. Similarly, the Arabic equivalent of the name is Abdullah (عبد ال٠... [...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] |
Tardigrade
Tardigrades (), known colloquially as water bears or moss piglets, are a phylum of eight-legged segmented micro-animals. They were first described by the German zoologist Johann August Ephraim Goeze in 1773, who called them . In 1776, the Italian biologist Lazzaro Spallanzani named them Tardigrada, which means 'slow walkers'. They live in diverse regions of Earth's biospheremountaintops, the deep sea, tropical rainforests, and the Antarctic. Tardigrades are among the most resilient animals known, with individual species able to survive extreme conditions – such as exposure to extreme temperatures, extreme pressures (both high and low), air deprivation, radiation, dehydration, and starvation – that would quickly kill most other forms of life. Tardigrades have survived exposure to outer space. There are about 1,500 known species in the phylum Tardigrada, a part of the superphylum Ecdysozoa. The earliest known fossil is from the Cambrian, some 500 million years ago ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Family (biology)
Family (, : ) 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". The delineation of what constitutes a family—or whether a described family should be acknowledged—is established and decided upon by active taxonomists. There are not strict regulations for outlining or acknowledging a family, yet in the realm of plants, these classifications often rely on both the vegetative and reproductive characteristics of plant species. Taxonomists frequently hold varying perspectives on these descriptions, leading to a lack of widespread consensus within the scientific community ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Modena And Reggio Emilia
The University of Modena and Reggio Emilia (), located in Modena and Reggio Emilia, Emilia-Romagna, Italy, is one of the oldest universities in Europe, founded in 1175, with a population of 20,000 students. The medieval university disappeared by 1338 and was replaced by "three public lectureships" which did not award degrees and were suspended in the 1590s "for lack of money". The university was not reestablished in Modena until the 1680s and did not receive an imperial charter until 1685.Quoted from: Grenler, Paul F. The Universities of the Italian Renaissance Johns Hopkins University Press, 2004. Page 137. Some famous students who attended the university include Ludovico Antonio Muratori, a noted Italian historian and scholar who graduated in 1694, the playwright Carlo Goldoni in the 17th century and, in the last century, Sandro Pertini, who became President of the Italian Republic. Brief History The University of Modena dates back to 1175, a few decades after the birth of th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Claw
A claw is a curved, pointed appendage found at the end of a toe or finger in most amniotes (mammals, reptiles, birds). Some invertebrates such as beetles and spiders have somewhat similar fine, hooked structures at the end of the leg or Arthropod leg, tarsus for gripping a surface as they walk. The pincers of crabs, lobsters and scorpions, more formally known as their chelae, are sometimes called claws. A true claw is made of a hard protein called keratin. Claws are used to catch and hold prey in carnivorous mammals such as cats and dogs, but may also be used for such purposes as digging, climbing trees, self-defense and Personal grooming, grooming, in those and other species. Similar appendages that are flat and do not come to a sharp point are called nail (anatomy), nails instead. Claw-like projections that do not form at the end of digits but spring from other parts of the foot are properly named Spur (zoology), spurs. Tetrapods In tetrapods, claws are made of keratin and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Davis Sea
Davis Sea is an area of the sea along the coast of East Antarctica between West Ice Shelf in the west and the Shackleton Ice Shelf in the east, or between 82° and 96°E. The name "Davis Sea" appears in most leading geographically authoritative publications such as the 2014 10th edition World Atlas from the National Geographic Society and the 2014 12th edition of the '' Times Atlas of the World'', unlike neighboring proposed water body names such as the Russian-proposed Cooperation Sea to the west. According to the ''Great Soviet Encyclopedia'', it stretches from 87°E to 98°E, and is up to deep. Its area is given as only . Other authorities such as National Geographic assign it a much smaller extent. The sea borders the Leopold and Astrid Coast portion of Princess Elizabeth Land, then Kaiser Wilhelm II Land, Pravda Coast and Queen Mary Land. The never-approved 2002 draft fourth edition of '' Limits of Oceans and Seas'' identifies that the Tryoshnikova Gulf (named afte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Antarctica
Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean (also known as the Antarctic Ocean), it contains the geographic South Pole. Antarctica is the fifth-largest continent, being about 40% larger than Europe, and has an area of . Most of Antarctica is covered by the Antarctic ice sheet, with an average thickness of . Antarctica is, on average, the coldest, driest, and windiest of the continents, and it has the highest average elevation. It is mainly a polar desert, with annual Climate of Antarctica#Precipitation, precipitation of over along the coast and far less inland. About 70% of the world's freshwater reserves are frozen in Antarctica, which, if melted, would raise global sea levels by almost . Antarctica holds the record for the Lowest temperature recorded on Earth, lowest measured temperature on Earth, . The coastal regions can reach temperatures over in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 scientific specialists on each group of organism. These taxonomists control the quality of the information, which is gathered from the primary scientific literature as well as from some external regional and taxon-specific databases. WoRMS maintains valid names of all marine organisms, but also provides information on synonyms and invalid names. It is an ongoing task to maintain the registry, since new species are constantly being discovered and described by scientists; in addition, the nomenclature and taxonomy of existing species is often corrected or changed as new research is constantly being published. Subsets of WoRMS content are made available, and can have separate badging and their own home/launch pages, as "subregisters", such as th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fauna Of Antarctica
Fauna (: faunae or faunas) is all of the animal life present in a particular region or time. The corresponding terms for plants and fungi are ''flora'' and ''funga'', respectively. Flora, fauna, funga and other forms of life are collectively referred to as '' biota''. Zoologists and paleontologists use ''fauna'' to refer to a typical collection of animals found in a specific time or place, e.g. the "Sonoran Desert fauna" or the "Burgess Shale fauna". Paleontologists sometimes refer to a sequence of faunal stages, which is a series of rocks all containing similar fossils. The study of animals of a particular region is called faunistics. Etymology ''Fauna'' comes from the name Fauna, a Roman goddess of earth and fertility, the Roman god Faunus, and the related forest spirits called Fauns. All three words are cognates of the name of the Greek god Pan, and ''panis'' is the Modern Greek equivalent of fauna (πανίς or rather πανίδα). ''Fauna'' is also the word for a boo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
