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Tarchia
''Tarchia'' (meaning "brainy one") is a genus of herbivorous ankylosaurid dinosaur from the late Cretaceous of Mongolia. Discovery and naming In 1970, a Polish-Mongolian expedition discovered an ankylosaurian skull near Khulsan. In 1977, Teresa Maryańska named and described the type species ''Tarchia kielanae''. The generic name is derived from Mongolian тархи (''tarkhi'', "brain") and Latin ''~ia'', in reference to a brain size presumed larger than that of the related form '' Saichania''. The specific name honours Professor Zofia Kielan-Jaworowska, the leader of the expedition. The holotype, ZPal MgD-I/111, was discovered in the Upper Cretaceous (possibly Campanian-Maastrichtian) Barun Goyot Formation (previously known as the 'Lower Nemegt Beds') of the Nemegt Basin of Mongolia. It consists of a skull roof, braincase and rear skull elements. Maryańska referred three additional specimens: ZPAL MgDI/43, a large postcranial skeleton containing three "free" tail vert ...
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Tarchia Tumanovae Holotype Skeletal
''Tarchia'' (meaning "brainy one") is a genus of herbivorous ankylosauridae, ankylosaurid dinosaur from the late Cretaceous of Mongolia. Discovery and naming In 1970, a Polish-Mongolian expedition discovered an ankylosaurian skull near Khulsan. In 1977, Teresa Maryańska named and described the type species ''Tarchia kielanae''. The generic name is derived from Mongolian language, Mongolian тархи (''tarkhi'', "brain") and Latin ''~ia'', in reference to a brain size presumed larger than that of the related form ''Saichania''. The specific name (zoology), specific name honours Professor Zofia Kielan-Jaworowska, the leader of the expedition. The holotype, ZPal MgD-I/111, was discovered in the Upper Cretaceous (possibly Campanian-Maastrichtian) Barun Goyot Formation (previously known as the 'Lower Nemegt Beds') of the Nemegt Basin of Mongolia. It consists of a skull roof, braincase and rear skull elements. Maryańska referred three additional specimens: ZPAL MgDI/43, a large po ...
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Minotaurasaurus
''Minotaurasaurus'' (meaning “Minos'-bull reptile”) is a monospecific genus of ankylosaurid dinosaur that lived in Mongolia during the Late Cretaceous (late Campanian stage, ~75-71 Ma) in what is now the Djadochta Formation. The type and only species, ''Minotaurasaurus ramachandrani'', is known from two skulls, a cervical vertebra and a cervical half ring. It was named and described in 2009 by Clifford Miles and Clark Miles. The first fossils of ''Minotaurasaurus'' were illegally exported out of Mongolia. It has been suggested to be a synonym of '' Tarchia'' but more recent publications consider it as a distinct genus. ''Minotaurasaurus'' was a medium-sized ankylosaurid, with an estimated length of 4.2 metres (13.8 feet), although it may have reached larger sizes as the type specimen represents an immature individual. Although not a lot of postcranial material is known, it would have had a tail club that may have been used for protection against predators or interspecific c ...
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Saichania
''Saichania'' (Mongolian meaning "beautiful one") is a genus of herbivorous ankylosaurid dinosaur from the Late Cretaceous period of Mongolia and China. The first fossils of ''Saichania'' were found in the early 1970s in Mongolia. In 1977 the type species ''Saichania chulsanensis'' was named. The description of this species has been based on limited fossil material; especially the rear of the animal is not well known. ''Saichania'' was more robustly built than other members of the Ankylosauridae, measuring in length and in body mass. Neck vertebrae, shoulder girdle, ribs and breast bones were fused or firmly connected. Its body was flat and low-slung, standing on four short legs. The forelimbs were very powerful. The head was protected by bulbous armour tiles. It could defend itself against predators like '' Tarbosaurus'' with a tail-club. On the torso keeled osteoderms were present. ''Saichania'' bit off plants in its desert habitat with a horny beak and processed them in i ...
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Dyoplosaurus
''Dyoplosaurus'' (meaning “double-armoured lizard”) is a monospecific genus of ankylosaurid dinosaur from Alberta that lived during the Late Cretaceous (middle Campanian, ~76.5–75 Ma) in what is now the Dinosaur Park Formation. ''Dyoplosaurus'' represents a close relative of ''Scolosaurus'' and ''Anodontosaurus'', two ankylosaurids known from the Horseshoe Canyon and Dinosaur Park Formation. Discovery and naming The holotype specimen was obtained in 1919 from the bottom ten metres of the Dinosaur Park Formation by Levi Sternberg, near what is now the Red Deer River in Alberta, Canada. The holotype specimen, ROM 784, consists of a partial skull roof, mandible fragments with teeth, osteoderms, skin impressions, articulated post-thoracic vertebrae, partial thoracic ribs, a partial ilium, both ischia, tail club, associated radius, metacarpal, femur, tibia, fibula, and pes. The holotype is currently housed at the Royal Ontario Museum. Two specimens were referred to ''Dyoplosa ...
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Ankylosauridae
Ankylosauridae () is a family of armored dinosaurs within Ankylosauria, and is the sister group to Nodosauridae. The oldest known Ankylosaurids date to around 122 million years ago and went extinct 66 million years ago during the Cretaceous–Paleogene extinction event. These animals were mainly herbivorous and were obligate quadrupeds, with leaf-shaped teeth and robust, scute-covered bodies. Ankylosaurids possess a distinctly domed and short snout, wedge-shaped osteoderms on their skull, scutes along their torso, and a tail club. Ankylosauridae is exclusively known from the northern hemisphere, with specimens found in western North America, Europe, and East Asia. The first discoveries within this family were of the genus ''Ankylosaurus'', by Peter Kaiser and Barnum Brown in Montana in 1906. Brown went on to name Ankylosauridae and the subfamily Ankylosaurinae in 1908. Anatomy Ankylosaurids are stout, solidly built, armoured dinosaurs. They possess accessory ossifications on ...
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Barun Goyot Formation
The Barun Goyot Formation (also known as Baruungoyot Formation or West Goyot Formation) is a geological formation dating to the Late Cretaceous Period. It is located within and is widely represented in the Gobi Desert Basin, in the Ömnögovi Province of Mongolia. Description It was previously known as the Lower Nemegt Beds occurring beneath the Nemegt Formation and above the Djadokhta Formation. It has been suggested that the Djadokhta and Barun Goyot Formations are lower and upper parts, respectively, of the same lithological unit and the boundary between the two does not exist. The stratotype of the Barun Goyot Formation is the Khulsan locality, east of Nemegt. At Nemegt, only the uppermost barungoyotian beds are visible. The ''Red Beds of Khermeen Tsav'' are also considered part of the Barun Goyot Formation. It is approximately in thickness,Gradzinski, R.; & Jerzykiewicz, T. (1974). Sedimentation of the Barun Goyot formation. Palaeontologica Polonica, 30, 111-146. and was ...
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Ankylosauridae
Ankylosauridae () is a family of armored dinosaurs within Ankylosauria, and is the sister group to Nodosauridae. The oldest known Ankylosaurids date to around 122 million years ago and went extinct 66 million years ago during the Cretaceous–Paleogene extinction event. These animals were mainly herbivorous and were obligate quadrupeds, with leaf-shaped teeth and robust, scute-covered bodies. Ankylosaurids possess a distinctly domed and short snout, wedge-shaped osteoderms on their skull, scutes along their torso, and a tail club. Ankylosauridae is exclusively known from the northern hemisphere, with specimens found in western North America, Europe, and East Asia. The first discoveries within this family were of the genus ''Ankylosaurus'', by Peter Kaiser and Barnum Brown in Montana in 1906. Brown went on to name Ankylosauridae and the subfamily Ankylosaurinae in 1908. Anatomy Ankylosaurids are stout, solidly built, armoured dinosaurs. They possess accessory ossifications on ...
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Teresa Maryańska
Teresa Maryańska (1937 – 3 October 2019) was a Polish paleontologist who specialized in Mongolian dinosaurs, particularly pachycephalosaurians and ankylosaurians. Peter Dodson (1998 p. 9) states that in 1974 Maryanska together with Halszka Osmólska were among the first "women to describe new kinds of dinosaurs". She is considered not only as one of Poland's but also one of the world's leading experts on dinosaurs. A member of the 1964, 1965, 1970, and 1971 Polish–Mongolian expeditions to the Gobi Desert, she has described many finds from these rocks, often with Halszka Osmólska. Among the dinosaurs she has described are: * '' Saichania'' and '' Tarchia'' (1977) * with Osmólska, '' Homalocephale'', '' Prenocephale'', and '' Tylocephale'' (and Pachycephalosauria) (1974), '' Bagaceratops'' (1975), and '' Barsboldia'' (1981) * and with Osmόlska and Altangerel Perle, '' Goyocephale'' (1982). Alan Feduccia notes that Maryanska and her colleagues (Osmólska and Wolsan) ...
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Species Name
In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms, although they can be based on words from other languages. Such a name is called a binomial name (which may be shortened to just "binomial"), a binomen, name or a scientific name; more informally it is also historically called a Latin name. The first part of the name – the '' generic name'' – identifies the genus to which the species belongs, whereas the second part – the specific name or specific epithet – distinguishes the species within the genus. For example, modern humans belong to the genus ''Homo'' and within this genus to the species ''Homo sapiens''. '' Tyrannosaurus rex'' is likely the most widely known binomial. The ''formal'' introduction of this system of naming species is credi ...
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Nemegt Basin
The Nemegt Basin is a geographical area in the northwestern Gobi Desert, in Ömnögovi Province, southern Mongolia. It is known locally as the "Valley of the Dragons", since it is a source of many fossil finds, including dinosaurs, dinosaur eggs, and trace fossils. Geology The main geological formations in the area are the Nemegt Formation, Barun Goyot Formation The Barun Goyot Formation (also known as Baruungoyot Formation or West Goyot Formation) is a geological formation dating to the Late Cretaceous Period. It is located within and is widely represented in the Gobi Desert Basin, in the Ömnögovi Pr ..., and Djadochta Formation, in order of age, from youngest (most superficial) to oldest (deepest). References Depressions of Mongolia Gobi Desert Basins of Asia {{Mongolia-stub ...
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Maastrichtian
The Maastrichtian () is, in the ICS geologic timescale, the latest age (uppermost stage) of the Late Cretaceous Epoch or Upper Cretaceous Series, the Cretaceous Period or System, and of the Mesozoic Era or Erathem. It spanned the interval from . The Maastrichtian was preceded by the Campanian and succeeded by the Danian (part of the Paleogene and Paleocene). The Cretaceous–Paleogene extinction event (formerly known as the Cretaceous– Tertiary extinction event) occurred at the end of this age. In this mass extinction, many commonly recognized groups such as non-avian dinosaurs, plesiosaurs and mosasaurs, as well as many other lesser-known groups, died out. The cause of the extinction is most commonly linked to an asteroid about wide colliding with Earth, ending the Cretaceous. Stratigraphic definitions Definition The Maastrichtian was introduced into scientific literature by Belgian geologist André Hubert Dumont in 1849, after studying rock strata of the ...
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Tatyana Tumanova
Tatiana (or Tatianna, also romanized as Tatyana, Tatjana, Tatijana, etc.) is a female name of Sabine-Roman origin that became widespread in Eastern Europe. Variations * be, Тацця́на, Tatsiana * bg, Татяна, Tatyana * german: Tatjana * el, Τατιάνα, Tatiána * pl, Tacjana * russian: Татья́на, Tat'yána, Tatiana * sr, Татјана, Tatjana * uk, Тетя́на, Tetyána Origin Tatiana is a feminine, diminutive derivative of the Sabine —and later Latin— name Tatius. King Titus Tatius was the name of a legendary ruler of the Sabines, an Italic tribe living near Rome around the 8th century BC. After the Romans absorbed the Sabines, the name Tatius remained in use in the Roman world, into the first centuries of Christianity, as well as the masculine diminutive Tatianus and its feminine counterpart, Tatiana. While the name later disappeared from Western Europe including Italy, it remained prevalent in the Hellenic world of Eastern ...
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