Tyrannosauridae
Subashi FormationThe Subashi Formation (Chinese: 苏巴什组) is a Late Cretaceous (Campanian to Maastrichtian) formation from the Xinjiang Autonomous Region of western China. Initially described by Dong Zhiming in 1977, the formation contains remains of Tarbosaurus which were initially described as a separate taxon Shanshanosaurus huoyanshanensis. Remains of a sauropod, likely Nemegtosaurus, and a hadrosaurid, likely Jaxartosaurus, have also been found.
Nemegt FormationGeological formation in MongoliaThe Nemegt Formation (also known as Nemegtskaya Svita) is a geological formation in the Gobi Desert of Mongolia, dating to the Late Cretaceous. The formation consists of river channel sediments and contains fossils of fish, turtles, crocodilians, and a diverse fauna of dinosaurs, including birds. DescriptionCretaceous-aged dinosaur fossil localities of Mongolia.
DinosaurDinosaurs are a diverse group of warm-blooded reptiles of the clade Dinosauria. They existed through most of the Mesozoic era, first appearing early in the Triassic period. They became the dominant terrestrial vertebrates after the Triassic–Jurassic extinction event 201.3 mya and their dominance continued throughout the Jurassic and Cretaceous periods.
Type speciesA type species (species typica) is the species considered to be permanently taxonomically associated with the name of a genus or subgenus, and that is used to identify it and distinguish it from others. In modern times, it is normally assigned when the genus or subgenus is first named. Any taxonomic revisions must be done in such a way that the genus or subgenus retains the type species if the genus is to keep its name.
ChinaChina, officially the People's Republic of China (PRC), is a country in East Asia. It is divided into 33 province-level divisions, including two special administrative regions. Beijing is the capital, while Shanghai is the most populous city by urban area. Its geography features the Central Plain, major rivers such as the Yangtze and Yellow River, deserts, subtropical and temperate forests, plateaus, and mountain ranges such as the Himalayas.
MongoliaCountry in East AsiaMongolia is a landlocked country in East Asia. It is bordered by Russia to the north and China to the south and covers an area of 1,564,116 square kilometers (603,909 square miles), making it the 18th-largest country in the world and the second largest landlocked nation after Kazakhstan, as well as the largest landlocked country that does not border an inland sea.
MaastrichtianSubdivision of the Cretaceous according to the ICS, as of 2024.Vertical axis scale: Millions of years agoEtymologyName formalityFormalUsage informationCelestial bodyEarthRegional usageGlobal (ICS)Time scale(s) usedICS Time ScaleDefinitionChronological unitAgeStratigraphic unitStageTime span formalityFormalLower boundary definitionMean of 12 biostratigraphic criteriaLower boundary GSSP, Landes, France43°40′46″N1°06′48″W / 43.6795°N 1.1133°W / 43.6795; -1.1133Lower GSSP ratifiedFebruary 2001Upper boundary definitionIridium enriched layer associated with a major meteorite impact and subsequent K-Pg extinction event.Upper boundary GSSPEl Kef Section, El Kef, Tunisia36°09′13″N8°38′55″E / 36.1537°N 8.6486°E / 36.1537; 8.6486Upper GSSP ratified1991The Maastrichtian ( ) is, in the International Commission on Stratigraphy (ICS) geologic timescale, the latest age (uppermost stage) of the Late CretaceousEpoch or Upper CretaceousSeries, the CretaceousPeriod or System, and of the MesozoicEra or Erathem.
Late CretaceousSubdivision of the Cretaceous according to the ICS, as of 2024.Vertical axis scale: Millions of years agoEtymologyChronostratigraphic nameUpper CretaceousGeochronological nameLate CretaceousName formalityFormalUsage informationCelestial bodyEarthRegional usageGlobal (ICS)Time scale(s) usedICS Time ScaleDefinitionChronological unitEpochStratigraphic unitSeriesTime span formalityFormalLower boundary definitionFAD of the Planktonic ForaminiferRotalipora globotruncanoidesLower boundary GSSPMont Risoux, Hautes-Alpes, France44°23′33″N5°30′43″E / 44.3925°N 5.5119°E / 44.3925; 5.5119Lower GSSP ratified2002Upper boundary definitionIridium enriched layer associated with a major meteorite impact and subsequent K-Pg extinction eventUpper boundary GSSPEl Kef Section, El Kef, Tunisia36°09′13″N8°38′55″E / 36.1537°N 8.6486°E / 36.1537; 8.6486Upper GSSP ratified1991The Late Cretaceous (100.5–66 Ma) is the more recent of two epochs into which the CretaceousPeriod is divided in the geologic time scale.
GenusGenus (; pl.: genera ) is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as well as viruses. 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.
AsiaContinentAsia ( , UK also ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which has long been home to the majority of the human population, was the site of many of the first civilisations. Its 4.7 billion people constitute roughly 60% of the world's population.
Geologic time scaleSystem that relates geologic strata to timeThe geologic time scale, proportionally represented as a log-spiral with some major events in Earth's history. A megaannum (Ma) represents one million (10) years.The geologic time scale or geological time scale describes how geologic time is divided into standardised intervals.
Subashi FormationThe Subashi Formation (Chinese: 苏巴什组) is a Late Cretaceous (Campanian to Maastrichtian) formation from the Xinjiang Autonomous Region of western China. Initially described by Dong Zhiming in 1977, the formation contains remains of Tarbosaurus which were initially described as a separate taxon Shanshanosaurus huoyanshanensis. Remains of a sauropod, likely Nemegtosaurus, and a hadrosaurid, likely Jaxartosaurus, have also been found.Nemegt FormationGeological formation in MongoliaThe Nemegt Formation (also known as Nemegtskaya Svita) is a geological formation in the Gobi Desert of Mongolia, dating to the Late Cretaceous. The formation consists of river channel sediments and contains fossils of fish, turtles, crocodilians, and a diverse fauna of dinosaurs, including birds. DescriptionCretaceous-aged dinosaur fossil localities of Mongolia.DinosaurDinosaurs are a diverse group of warm-blooded reptiles of the clade Dinosauria. They existed through most of the Mesozoic era, first appearing early in the Triassic period. They became the dominant terrestrial vertebrates after the Triassic–Jurassic extinction event 201.3 mya and their dominance continued throughout the Jurassic and Cretaceous periods.Type speciesA type species (species typica) is the species considered to be permanently taxonomically associated with the name of a genus or subgenus, and that is used to identify it and distinguish it from others. In modern times, it is normally assigned when the genus or subgenus is first named. Any taxonomic revisions must be done in such a way that the genus or subgenus retains the type species if the genus is to keep its name.ChinaChina, officially the People's Republic of China (PRC), is a country in East Asia. It is divided into 33 province-level divisions, including two special administrative regions. Beijing is the capital, while Shanghai is the most populous city by urban area. Its geography features the Central Plain, major rivers such as the Yangtze and Yellow River, deserts, subtropical and temperate forests, plateaus, and mountain ranges such as the Himalayas.MongoliaCountry in East AsiaMongolia is a landlocked country in East Asia. It is bordered by Russia to the north and China to the south and covers an area of 1,564,116 square kilometers (603,909 square miles), making it the 18th-largest country in the world and the second largest landlocked nation after Kazakhstan, as well as the largest landlocked country that does not border an inland sea.MaastrichtianSubdivision of the Cretaceous according to the ICS, as of 2024.Vertical axis scale: Millions of years agoEtymologyName formalityFormalUsage informationCelestial bodyEarthRegional usageGlobal (ICS)Time scale(s) usedICS Time ScaleDefinitionChronological unitAgeStratigraphic unitStageTime span formalityFormalLower boundary definitionMean of 12 biostratigraphic criteriaLower boundary GSSP, Landes, France43°40′46″N1°06′48″W / 43.6795°N 1.1133°W / 43.6795; -1.1133Lower GSSP ratifiedFebruary 2001Upper boundary definitionIridium enriched layer associated with a major meteorite impact and subsequent K-Pg extinction event.Upper boundary GSSPEl Kef Section, El Kef, Tunisia36°09′13″N8°38′55″E / 36.1537°N 8.6486°E / 36.1537; 8.6486Upper GSSP ratified1991The Maastrichtian ( ) is, in the International Commission on Stratigraphy (ICS) geologic timescale, the latest age (uppermost stage) of the Late CretaceousEpoch or Upper CretaceousSeries, the CretaceousPeriod or System, and of the MesozoicEra or Erathem.Late CretaceousSubdivision of the Cretaceous according to the ICS, as of 2024.Vertical axis scale: Millions of years agoEtymologyChronostratigraphic nameUpper CretaceousGeochronological nameLate CretaceousName formalityFormalUsage informationCelestial bodyEarthRegional usageGlobal (ICS)Time scale(s) usedICS Time ScaleDefinitionChronological unitEpochStratigraphic unitSeriesTime span formalityFormalLower boundary definitionFAD of the Planktonic ForaminiferRotalipora globotruncanoidesLower boundary GSSPMont Risoux, Hautes-Alpes, France44°23′33″N5°30′43″E / 44.3925°N 5.5119°E / 44.3925; 5.5119Lower GSSP ratified2002Upper boundary definitionIridium enriched layer associated with a major meteorite impact and subsequent K-Pg extinction eventUpper boundary GSSPEl Kef Section, El Kef, Tunisia36°09′13″N8°38′55″E / 36.1537°N 8.6486°E / 36.1537; 8.6486Upper GSSP ratified1991The Late Cretaceous (100.5–66 Ma) is the more recent of two epochs into which the CretaceousPeriod is divided in the geologic time scale.GenusGenus (; pl.: genera ) is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as well as viruses. 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.AsiaContinentAsia ( , UK also ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which has long been home to the majority of the human population, was the site of many of the first civilisations. Its 4.7 billion people constitute roughly 60% of the world's population.Geologic time scaleSystem that relates geologic strata to timeThe geologic time scale, proportionally represented as a log-spiral with some major events in Earth's history. A megaannum (Ma) represents one million (10) years.The geologic time scale or geological time scale describes how geologic time is divided into standardised intervals.*As an Amazon Associate I earn from qualifying purchases.