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Limaysaurus Tessonei
''Limaysaurus'' ("Limay lizard") is a genus represented by a single species of rebbachisaurid sauropod dinosaurs, which lived during the mid-Cretaceous period, about 99.6 to 97 million years ago, in the Cenomanian, in what is now South America (northwestern Patagonia). Description ''Limaysaurus'' was a medium-sized sauropod. Gregory S. Paul in 2010 estimated its length at fifteen meters (50 ft) and its weight at seven tonnes.Paul, G.S., 2010, ''The Princeton Field Guide to Dinosaurs'', Princeton University Press, pp. 186 and 208. The neural spines on its back were very tall. The neural spines of the cervical and dorsal vertebrae are not V-shaped but they have a simple and straight form like an I. Its teeth were curved, unlike those of ''Diplodocus'' which were pencil-shaped. Another distinct characteristic of this sauropod is its phylogenetic relationship to ''Rebbachisaurus'' from Morocco. This discovery supports the theory that there was a land bridge connecting South America ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Late Cretaceous
The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''creta'', the Latin word for the white limestone known as chalk. The chalk of northern France and the white cliffs of south-eastern England date from the Cretaceous Period. Climate During the Late Cretaceous, the climate was warmer than present, although throughout the period a cooling trend is evident. The tropics became restricted to equatorial regions and northern latitudes experienced markedly more seasonal climatic conditions. Geography Due to plate tectonics, the Americas were gradually moving westward, causing the Atlantic Ocean to expand. The Western Interior Seaway divided North America into eastern and western halves; Appalachia and Laramidia. India maintained a northward course towards Asia. In the Southern Hemisphere, Australia and Ant ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tonne
The tonne ( or ; symbol: t) is a unit of mass equal to 1000 kilograms. It is a non-SI unit accepted for use with SI. It is also referred to as a metric ton to distinguish it from the non-metric units of the short ton ( United States customary units), and the long ton ( British imperial units). It is equivalent to approximately 2204.6 pounds, 1.102 short tons, and 0.984 long tons. The official SI unit is the megagram (symbol: Mg), a less common way to express the same mass. Symbol and abbreviations The BIPM symbol for the tonne is t, adopted at the same time as the unit in 1879.Table 6 . BIPM. Retrieved on 2011-07-10. Its use is also official for the metric ton in the United States, having been adopted by the United States |
Río Limay
The Limay River is an important river in the northwestern Argentine Patagonia (the region of Comahue). It originates at the eastern end of the Nahuel Huapi Lake and flows in a meandering path for about , collecting the waters of several tributaries, such as the Traful River, the Pichileufú and the Collón Curá. It then meets the Neuquén River and together they become the Río Negro. At this confluence lies the city of Neuquén. The river serves as natural border between the provinces of Río Negro and Neuquén. Its deep waters are clear, and carry a large flow, on average. Its drainage basin has an area of and includes almost all the rivers and streams of the Atlantic basin in the region, as well as an extensive network of lakes. The waters of the Limay are used to generate hydroelectricity at the five dams built on its course: Alicurá, Piedra del Águila, Pichi Picún Leufú, El Chocón, and Arroyito; together with the Cerros Colorados Complex on the Neuquén River ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Juan Cocca
''Juan'' is a given name, the Spanish and Manx versions of ''John''. It is very common in Spain and in other Spanish-speaking communities around the world and in the Philippines, and also (pronounced differently) in the Isle of Man. In Spanish, the diminutive form (equivalent to ''Johnny'') is , with feminine form (comparable to ''Jane'', ''Joan'', or ''Joanna'') , and feminine diminutive (equivalent to ''Janet'', ''Janey'', ''Joanie'', etc.). Chinese terms * ( or 娟, 隽) 'beautiful, graceful' is a common given name for Chinese women. * () The Chinese character 卷, which in Mandarin is almost homophonic with the characters for the female name, is a division of a traditional Chinese manuscript or book and can be translated as 'fascicle', 'scroll', 'chapter', or 'volume'. Notable people * Juan (footballer, born 1979), Brazilian footballer * Juan (footballer, born 1982), Brazilian footballer * Juan (footballer, born March 2002), Brazilian footballer * Juan (footballer, b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sergio Cocca
{{disambiguation ...
Sergio may refer to: * Sergio (given name), for people with the given name Sergio * Sergio (carbonado), the largest rough diamond ever found * ''Sergio'' (album), a 1994 album by Sergio Blass * ''Sergio'' (2009 film), a documentary film * ''Sergio'' (2020 film), a biographical drama film * Sergio, the mascot for the Old Orchard Beach Surge baseball team See also *Hurricane Sergio (other) The name Sergio has been used for four tropical cyclones in the Eastern Pacific Ocean. * Tropical Storm Sergio (1978) – threatened Baja California. * Hurricane Sergio (1982) – never threatened land. * Hurricane Sergio (2006) – never threate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alberto Garrido (paleontologist)
Alberto Rafael Garrido García (3 September 1949 – 4 December 2007) was an Argentine–Venezuelan journalist, political analyst and writer known for his works on Hugo Chávez. The focus of a better part of his career, his extensive knowledge on Chávez led Venezuelan media to dub him a "''Chavólogo''". Early life and education Garrido was born in Buenos Aires in 1949. As a youth, he became politically active in leftist groups fighting against the National Reorganization Process, military dictatorship that ruled the country from 1976 to 1983. His activism led to him fleeing Argentina and settling in Venezuela, where he finished high school at the Liceo Libertador in Mérida, Mérida, Mérida. He later returned to Argentina to study philosophy at the National University of Misiones and social psychology at the Universidad Argentina John F. Kennedy, before going back to Venezuela, where he completed a doctoral degree on agrarian development at the University of the Andes (Venezu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type Species
In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen(s). Article 67.1 A similar concept is used for suprageneric groups and called a type genus. In botanical nomenclature, these terms have no formal standing under the code of nomenclature, but are sometimes borrowed from zoological nomenclature. In botany, the type of a genus name is a specimen (or, rarely, an illustration) which is also the type of a species name. The species name that has that type can also be referred to as the type of the genus name. Names of genus and family ranks, the various subdivisions of those ranks, and some higher-rank names based on genus names, have such types. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gastroliths
A gastrolith, also called a stomach stone or gizzard stone, is a rock held inside a gastrointestinal tract. Gastroliths in some species are retained in the muscular gizzard and used to grind food in animals lacking suitable grinding teeth. In other species the rocks are ingested and pass through the digestive system and are frequently replaced. The grain size depends upon the size of the animal and the gastrolith's role in digestion. Other species use gastroliths as ballast.Rondeau, et aLarval Anurans Adjust Buoyancy in Response to Substrate IngestionCopeia: February 2005, Vol. 2005, No. 1, pp. 188-195. Particles ranging in size from sand to cobble have been documented. Etymology Gastrolith comes from the Greek γαστήρ (''gastēr''), meaning "stomach", and λίθος (''lithos''), meaning "stone". Occurrence Among living vertebrates, gastroliths are common among crocodiles, alligators, herbivorous birds, seals and sea lions. Domestic fowl require access to ''grit''. Stones ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Giganotosaurus
''Giganotosaurus'' ( ) is a genus of theropod dinosaur that lived in what is now Argentina, during the early Cenomanian age of the Late Cretaceous period, approximately 99.6 to 95 million years ago. The holotype specimen was discovered in the Candeleros Formation of Patagonia in 1993 and is almost 70% complete. The animal was named ''Giganotosaurus carolinii'' in 1995; the genus name translates to "giant southern lizard", and the specific name honors the discoverer, Rubén D. Carolini. A dentary bone, a tooth, and some tracks, discovered before the holotype, were later assigned to this animal. The genus attracted much interest and became part of a scientific debate about the maximum sizes of theropod dinosaurs. ''Giganotosaurus'' was one of the largest known terrestrial carnivores, but the exact size has been hard to determine due to the incompleteness of the remains found so far. Estimates for the most complete specimen range from a length of , a skull in length, and a we ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Andesaurus
''Andesaurus'' ( ; "Andes lizard") is a genus of basal titanosaurian sauropod dinosaur which existed during the middle of the Cretaceous Period in South America. Like most sauropods, belonging to one of the largest animals ever to walk the Earth, it would have had a small head on the end of a long neck and an equally long tail. History of discovery In 1991, paleontologists Jorge Orlando Calvo and José Fernando Bonaparte named ''Andesaurus'', which refers to the Andes and also includes the Greek word ''sauros'' ("lizard"), because of the proximity of this animal's remains to the Andes. ''Andesaurus'' fossils were found by Alejandro Delgado, after whom the single known species (''A. delgadoi'') is named. The only known material of ''Andesaurus'' is a partial skeleton consisting of a series of four vertebrae from the lower back, as well as 27 tail vertebrae, divided up into two series from separate parts of the tail. The vertebrae from the middle part of its tail had elongated ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Africa
Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area and 20% of its land area.Sayre, April Pulley (1999), ''Africa'', Twenty-First Century Books. . With billion people as of , it accounts for about of the world's human population. Africa's population is the youngest amongst all the continents; the median age in 2012 was 19.7, when the worldwide median age was 30.4. Despite a wide range of natural resources, Africa is the least wealthy continent per capita and second-least wealthy by total wealth, behind Oceania. Scholars have attributed this to different factors including geography, climate, tribalism, colonialism, the Cold War, neocolonialism, lack of democracy, and corruption. Despite this low concentration of wealth, recent economic expansion and the large and young population make Afr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Land Bridge
In biogeography, a land bridge is an isthmus or wider land connection between otherwise separate areas, over which animals and plants are able to cross and Colonisation (biology), colonize new lands. A land bridge can be created by marine regression, in which sea levels fall, exposing shallow, previously submerged sections of continental shelf; or when new land is created by plate tectonics; or occasionally when the sea floor rises due to post-glacial rebound after an ice age. Prominent examples * Adam's Bridge (also known as Rama Setu), connecting India and Sri Lanka * The Bass Strait#Discovery and exploration, Bassian Plain, which linked Australia and Tasmania * The Beringia, Bering Land Bridge (aka Beringia), which intermittently connected Alaska (Northern America) with Siberia (North Asia) as sea levels rose and fell under the effect of ice ages * East Asia’s former unnamed landmass, During the last Ice Age, which ended approximately 15,000 years ago, Japanese Archipela ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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