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Icarosaurus Siefkeri
''Icarosaurus'' (meaning "Icarus lizard") is an extinct genus of kuehneosaurid reptile from the Late Triassic (Norian age) Lower Lockatong Formation of New Jersey.Berg, T.M., ''et al''. (1983). Stratigraphic Correlation Chart of Pennsylvania: G75, Pennsylvania Geologic Survey, Harrisburg, Pennsylvania. It is closely related to lizards and the tuatara. Based on a partial skeleton missing part of the tail, some ribs, a hand, and parts of the legs, it was a small animal, about 10 centimeters (4 in) long from the skull to the hips. Like its relative ''Kuehneosaurus'', it was able to glide short distances using 'wings' consisting of highly elongated ribs covered with skin. These gliding membranes would have had a convex upper surface and a concave lower surface, thus creating a simple airfoil structure well-suited to gliding. This method of gliding is also seen in ''Coelurosauravus'' and the modern ''Draco'', neither of which are closely related to ''Icarosaurus''. Discovery ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Late Triassic
The Late Triassic is the third and final epoch (geology), epoch of the Triassic geologic time scale, Period in the geologic time scale, spanning the time between annum, Ma and Ma (million years ago). It is preceded by the Middle Triassic Epoch and followed by the Early Jurassic Epoch. The corresponding series (stratigraphy), series of rock beds is known as the Upper Triassic. The Late Triassic is divided into the Carnian, Norian and Rhaetian Geologic time scale, ages. Many of the first dinosaurs evolved during the Late Triassic, including ''Plateosaurus'', ''Coelophysis'', ''Herrerasaurus'', and ''Eoraptor''. The Triassic–Jurassic extinction event began during this epoch and is one of the five major mass extinction events of the Earth. Etymology The Triassic was named in 1834 by Friedrich August von Namoh, Friedrich von Alberti, after a succession of three distinct rock layers (Greek meaning 'triad') that are widespread in southern Germany: the lower Buntsandstein (colourful ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kuehneosaurus
''Kuehneosaurus'' is an extinct genus of Late Triassic kuehneosaurid reptile known from the Late Triassic (Norian stage) of the Penarth Group of southwest England and the Steinmergel Group of Luxembourg. Temperature at this stage and region would have ranged from 28 to 35 °C. It was named by Pamela Lamplugh Robinson in 1962 in honour of paleontologist Walter Georg Kühne, and the type and only species is ''Kuehneosaurus latus''. Measuring 72 centimetres long (2.3 feet), it had "wings" formed from ribs which jutted out from its body by as much as 14.3 cm, connected by a membrane which allowed it to slow its descent when jumping from trees. It is a member of a family of extinct gliding reptiles, the Kuehneosauridae, within a larger living group the Lepidosauromorpha, which contain modern lizards and tuatara.Evans, S.C. (2003). "At the feet of the dinosaurs: the early history and radiation of lizards." ''Biological Reviews'', 78: 513–551. Unlike its longer "winged" ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kuehneosauridae
Kuehneosauridae is an extinct family of small, lizard-like gliding diapsids known from the Triassic period of Europe and North America. Description and systematics They are distinguished from other diapsids by their 'wings' formed by elongated ribs. These allowed the animal to glide and parachute similar to living Draco (lizard), gliding lizards. They were most likely insectivorous, judging from their pin-like teeth. They are often, but not always, placed in the group Lepidosauromorpha, though other studies have recovered them in other positions within Sauria, including Archosauromorpha. The oldest and most primitive known member is ''Pamelina'' from the Early Triassic (Olenekian stage) of Poland, which already has vertebrae with characteristics consistent with gliding or parachuting. ''Icarosaurus'' is known from a single specimen from the Carnian-aged Lockatong Formation of New Jersey. The Late Triassic (Norian stage) kuehneosaurids from England, ''Kuehneosaurus'' and ''Kuehn ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Butterfield & Butterfield
Bonhams and Butterfield was a large American auction house, founded in 1865 by William Butterfield in San Francisco San Francisco, officially the City and County of San Francisco, is a commercial, Financial District, San Francisco, financial, and Culture of San Francisco, cultural center of Northern California. With a population of 827,526 residents as of .... It was purchased in 1999 from Bernard Osher by online auctioneer eBay for $260 million. In 2002, it was acquired from eBay by British auctioneer Bonhams and operated under the name Bonhams & Butterfields for about ten years. It now just goes by Bonhams. References External links * EBay American auction houses American companies established in 1865 Retail companies established in 1865 1999 mergers and acquisitions 2002 mergers and acquisitions {{US-company-stub EBay acquisitions ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Icarosaurus Copy
''Icarosaurus'' (meaning "Icarus lizard") is an extinct genus of kuehneosaurid reptile from the Late Triassic (Norian age) Lower Lockatong Formation of New Jersey.Berg, T.M., ''et al''. (1983). Stratigraphic Correlation Chart of Pennsylvania: G75, Pennsylvania Geologic Survey, Harrisburg, Pennsylvania. It is closely related to lizards and the tuatara. Based on a partial skeleton missing part of the tail, some ribs, a hand, and parts of the legs, it was a small animal, about 10 centimeters (4 in) long from the skull to the hips. Like its relative ''Kuehneosaurus'', it was able to glide short distances using 'wings' consisting of highly elongated ribs covered with skin. These gliding membranes would have had a convex upper surface and a concave lower surface, thus creating a simple airfoil structure well-suited to gliding. This method of gliding is also seen in ''Coelurosauravus'' and the modern ''Draco'', neither of which are closely related to ''Icarosaurus''. Discovery ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Museum Of Natural History
The American Museum of Natural History (AMNH) is a natural history museum on the Upper West Side of Manhattan in New York City. Located in Theodore Roosevelt Park, across the street from Central Park, the museum complex comprises 21 interconnected buildings housing 45 permanent exhibition halls, in addition to a planetarium and a library. The museum collections contain about 32 million specimens of plants, animals, fungi, fossils, minerals, rocks, meteorites, human remains, and human cultural artifacts, as well as specialized collections for frozen tissue and genomic and astrophysical data, of which only a small fraction can be displayed at any given time. The museum occupies more than . AMNH has a full-time scientific staff of 225, sponsors over 120 special field expeditions each year, and averages about five million visits annually. The AMNH is a private 501(c)(3) organization. The naturalist Albert S. Bickmore devised the idea for the American Museum of Natural History in 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
North Bergen
North Bergen is a township in the northern part of Hudson County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 63,361, an increase of 2,588 (+4.3%) from the 2010 census count of 60,773, which in turn reflected an increase of 2,681 (+4.6%) from the 58,092 counted in the 2000 census. The township was incorporated in 1843. It was much diminished in territory by a series of secessions. Situated on the Hudson Palisades, it is one of the hilliest municipalities in the United States. Like neighboring North Hudson communities, North Bergen is among those places in the nation with the highest population density. History Colonial era At the time of European colonization the area was the territory of Hackensack tribe of the Lenape Native Americans, who maintained a settlement, Espatingh, on the west side of the hills and where a Dutch trading post was established after the Peach War. In 1658, Peter Stuyvesant, then Director-Ge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Icarosaurus Skull
''Icarosaurus'' (meaning "Icarus lizard") is an extinct genus of kuehneosaurid reptile from the Late Triassic (Norian age) Lower Lockatong Formation of New Jersey.Berg, T.M., ''et al''. (1983). Stratigraphic Correlation Chart of Pennsylvania: G75, Pennsylvania Geologic Survey, Harrisburg, Pennsylvania. It is closely related to lizards and the tuatara. Based on a partial skeleton missing part of the tail, some ribs, a hand, and parts of the legs, it was a small animal, about 10 centimeters (4 in) long from the skull to the hips. Like its relative ''Kuehneosaurus'', it was able to glide short distances using 'wings' consisting of highly elongated ribs covered with skin. These gliding membranes would have had a convex upper surface and a concave lower surface, thus creating a simple airfoil structure well-suited to gliding. This method of gliding is also seen in ''Coelurosauravus'' and the modern ''Draco'', neither of which are closely related to ''Icarosaurus''. Discovery ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Draco (genus)
''Draco'' is a genus of agamid lizards that are also known as flying lizards, flying dragons or gliding lizards. These lizards are capable of gliding flight via membranes that may be extended to create wings (patagia), formed by a support structure from an enlarged set of ribs. They are arboreal insectivores. While not capable of powered flight they often obtain lift in the course of their gliding flights. Glides as long as have been recorded, over which the animal loses only in height which makes for a glide ratio of 6:1. This is done by a lizard of only around in total length, tail included. Piper, Ross (2007). 'Extraordinary Animals: An Encyclopedia of Curious and Unusual Animals'. Santa Barbara, California: Greenwood Press. They are found across Southeast Asia and Southern India and are fairly common in forests, areca gardens, teak plantations and shrub jungle. History of discovery Carl Linnaeus described the genus in 1758, with the type species being '' Draco volans.'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coelurosauravus
''Coelurosauravus'' (meaning "hollow-tailed lizard grandfather") is an extinct genus of gliding reptile, known from the Late Permian of Madagascar. Like other members of the family Weigeltisauridae, members of this genus possessed long, rod-like ossifications projecting outwards from the body. These bony rods were not extensions of the ribs but were instead a feature unique to weigeltisaurids. It is believed that during life, these structures formed folding wings used for gliding flight, similar to living gliding '' Draco'' lizards. ''Coelurosauravus'' is solely known from the type species, ''C. elivensis'', which was named by Jean Piveteau in 1926 based on fossils from the Lower Sakamena Formation of Madagascar. The species '' Weigeltisaurus jaekeli'' from Europe was formerly considered a species of ''Coelurosauravus'', but is now placed in its own genus. History of discovery The only known specimens of ''Coelurosauravus'' were collected in 1907-1908 by J.-M. Colcanap, a cap ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Airfoil
An airfoil (American English) or aerofoil (British English) is a streamlined body that is capable of generating significantly more Lift (force), lift than Drag (physics), drag. Wings, sails and propeller blades are examples of airfoils. Foil (fluid mechanics), Foils of similar function designed with water as the working fluid are called hydrofoils. When oriented at a suitable angle, a solid body moving through a fluid deflects the oncoming fluid (for fixed-wing aircraft, a downward force), resulting in a force on the airfoil in the direction opposite to the deflection. This force is known as aerodynamic force and can be resolved into two components: lift (perpendicular to the remote freestream velocity) and drag (Parallel (geometry), parallel to the freestream velocity). The lift on an airfoil is primarily the result of its angle of attack. Most foil shapes require a positive angle of attack to generate lift, but Camber (aerodynamics), cambered airfoils can generate lift at zero ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Skin
Skin is the layer of usually soft, flexible outer tissue covering the body of a vertebrate animal, with three main functions: protection, regulation, and sensation. Other animal coverings, such as the arthropod exoskeleton, have different developmental origin, structure and chemical composition. The adjective cutaneous means "of the skin" (from Latin ''cutis'' 'skin'). In mammals, the skin is an organ of the integumentary system made up of multiple layers of ectodermal tissue and guards the underlying muscles, bones, ligaments, and internal organs. Skin of a different nature exists in amphibians, reptiles, and birds. Skin (including cutaneous and subcutaneous tissues) plays crucial roles in formation, structure, and function of extraskeletal apparatus such as horns of bovids (e.g., cattle) and rhinos, cervids' antlers, giraffids' ossicones, armadillos' osteoderm, and os penis/ os clitoris. All mammals have some hair on their skin, even marine mammals like whales, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
