Vulcanodontidae
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Vulcanodontidae
The Early Jurassic sauropod dinosaurs '' Zizhongosaurus'', ''Barapasaurus'', ''Tazoudasaurus'', and ''Vulcanodon'' may form a natural group of basal sauropods called the Vulcanodontidae. Basal vulcanodonts include some of the earliest known examples of sauropods. The family-level name Vulcanodontidae was erected by M.R. Cooper in 1984. In 1995 Hunt ''et al.'' published the opinion that the family is synonymous with the Barapasauridae. One of the key morphological features specific to the family is an unusually narrow sacrum The sacrum (: sacra or sacrums), in human anatomy, is a triangular bone at the base of the spine that forms by the fusing of the sacral vertebrae (S1S5) between ages 18 and 30. The sacrum situates at the upper, back part of the pelvic cavity, .... References Cooper, M.R. (1984). "A reassessment of ''Vulcanodon karibaensis'' Raath (Dinosauria: Saurischia) and the origin of the Sauropoda". ''Palaeontologia Africana'' 25: 203–231. A. P. Hunt, M. G. Lock ...
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Vulcanodon
''Vulcanodon'' (meaning "volcano tooth") is an extinct genus of sauropod dinosaur from the Early Jurassic Uppermost Forest Sandstone of southern Africa. The only known species is ''V. karibaensis''. Discovered in 1969 in Zimbabwe, it was regarded as the earliest-known sauropod for decades, and is still one of the most basal (phylogenetics), primitive sauropods that has been discovered. As a quadrupedal, terrestrial animal, ground-dwelling herbivore, ''Vulcanodon'' already showed the typical sauropod body plan with column-like legs and a long neck and tail. It was smaller than most other sauropods, measuring approximately in length. ''Vulcanodon'' is known from a fragmentary skeleton including much of the pelvis, pelvic girdle, hindlimbs, forearms, and tail, but lacking the trunk and neck vertebrae as well as the skull. Originally, this genus was believed to be a prosauropod because of the knife-shaped teeth found near its fossils, which fit in with the idea that prosauropods we ...
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Sauropod
Sauropoda (), whose members are known as sauropods (; from '' sauro-'' + '' -pod'', 'lizard-footed'), is a clade of saurischian ('lizard-hipped') dinosaurs. Sauropods had very long necks, long tails, small heads (relative to the rest of their body), and four thick, pillar-like legs. They are notable for the enormous sizes attained by some species, and the group includes the largest animals to have ever lived on land. Well-known genera include '' Apatosaurus'', '' Argentinosaurus'', '' Alamosaurus'', ''Brachiosaurus'', '' Camarasaurus'', '' Diplodocus,'' and '' Mamenchisaurus''. The oldest known unequivocal sauropod dinosaurs are known from the Early Jurassic. '' Isanosaurus'' and '' Antetonitrus'' were originally described as Triassic sauropods, but their age, and in the case of ''Antetonitrus'' also its sauropod status, were subsequently questioned. Sauropod-like sauropodomorph tracks from the Fleming Fjord Formation (Greenland) might, however, indicate the occurrence of the g ...
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Sauropoda
Sauropoda (), whose members are known as sauropods (; from ''wikt:sauro-, sauro-'' + ''wikt:-pod, -pod'', 'lizard-footed'), is a clade of saurischian ('lizard-hipped') dinosaurs. Sauropods had very long necks, long tails, small heads (relative to the rest of their body), and four thick, pillar-like legs. They are notable for the enormous sizes attained by some species, and the group includes the largest animals to have ever lived on land. Well-known genus, genera include ''Apatosaurus'', ''Argentinosaurus'', ''Alamosaurus'', ''Brachiosaurus'', ''Camarasaurus'', ''Diplodocus,'' and ''Mamenchisaurus''. The oldest known unequivocal sauropod dinosaurs are known from the Early Jurassic. ''Isanosaurus'' and ''Antetonitrus'' were originally described as Triassic sauropods, but their age, and in the case of ''Antetonitrus'' also its sauropod status, were subsequently questioned. Sauropod-like sauropodomorph tracks from the Fleming Fjord Formation (Greenland) might, however, indicate the ...
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Tazoudasaurus
''Tazoudasaurus'' is a genus of gravisaurian, probably a vulcanodontidae, vulcanodontid sauropod dinosaurs hailing from the late Early Jurassic (Toarcian), that was recovered in the "Toundoute Continental Series" (Azilal Formation) located in the High Atlas Mountains of Morocco in North Africa. Along with ''Patagosaurus'', ''Volkheimeria'', ''Bagualia'' and ''Perijasaurus'' (as well maybe ''Barapasaurus'' and ''Kotasaurus'') represents one of the few sauropods named from this stage on Gondwana, as well as the only one from Africa. Discovery and naming Back in the early 2000s, several excavations took place in the High Atlas near Toundoute, in the province of Ouarzazate, where a series 300 m thick continental redbeds are exposed. In these redbeds, two main fossiliferous localities were initially denominated "To1 site" and excavated in the Duar of Tazouda, a hill near Toundoute, separated 30 m from each other. The remains, consisting of the holotype, a partial adult skeleton and cra ...
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Zizhongosaurus
''Zizhongosaurus'' (meaning "Zizhong lizard") is a genus of basal herbivorous sauropod dinosaur which lived in the Early Jurassic (Toarcian) Period of China. It was a large-bodied herbivore characterized by a long neck. Discovery and naming The genus and its type species ''Zizhongosaurus chuanchengensis'' were named in 1983 by Dong Zhiming, in a volume written by himself, Zhou Shiwu, and Zhang Yihong. The generic name is derived from Zizhong County in Sichuan Province. The specific name refers to the town of Chuancheng. The type specimens consist of three syntypes: V9067.1 is a partial dorsal vertebra; V9067.2 is a humerus or upper arm; and V9067.3 is a pubis. All specimens likely were part of a single skeleton, collected from the Ziliujing Formation. ''Zizhongosaurus'' was described as a small species.Dong, Z., Zhou, S., Zhang, Y. (1983). "Dinosaurs from the Jurassic of Sichuan". ''Palaeontologica Sinica'' 162 New Series C 23. Science Press Peking: pp. 1-136 In 1999 Li Ku ...
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Barapasaurus
''Barapasaurus'' ( ) is a genus of Basal (phylogenetics), basal sauropod dinosaur from Jurassic rocks of India. The only species is ''B. tagorei''. ''Barapasaurus'' comes from the lower part of the Kota Formation, which is of Early to Middle Jurassic age. It is therefore one of the earliest known sauropods. ''Barapasaurus'' is known from approximately 300 bones from at least six individuals, so that the skeleton is almost completely known except for the anterior cervical vertebrae and the skull. This makes ''Barapasaurus'' one of the most completely known sauropods from the early Jurassic. Discovery and naming All known fossils come from a single locality in the vicinity of the village of Pochampally, Pochampally Pin Code: 442504, bordering Telangana (Pochampally Sironcha Taluka, Gadchiroli District, Vidarbha, Maharastra, in central India). The first bones were discovered in 1958, but most specimens were unearthed in 1960 and 1961. In 1975, the finds were described scientific ...
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Early Jurassic
The Early Jurassic Epoch (geology), Epoch (in chronostratigraphy corresponding to the Lower Jurassic series (stratigraphy), Series) is the earliest of three epochs of the Jurassic Period. The Early Jurassic starts immediately after the Triassic–Jurassic extinction event, 201.3 Ma (million years ago), and ends at the start of the Middle Jurassic 174.7 ±0.8 Ma. Certain rocks of marine origin of this age in Europe are called "Lias Group, Lias" and that name was used for the period, as well, in 19th-century geology. In southern Germany rocks of this age are called Black Jurassic. Origin of the name Lias There are two possible origins for the name Lias: the first reason is it was taken by a geologist from an England, English quarryman's dialect pronunciation of the word "layers"; secondly, sloops from north Cornwall, Cornish ports such as Bude would sail across the Bristol Channel to the Vale of Glamorgan to load up with rock from coastal limestone quarries (lias and Carbonif ...
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Sinemurian
In the geologic timescale, the Sinemurian is an age (geology), age and stage (stratigraphy), stage in the Early Jurassic, Early or Lower Jurassic epoch (geology), Epoch or series (stratigraphy), Series. It spans the time between 199.5 ±0.3 annum, Ma and 192.9 ±0.3 Ma (million years ago). The Sinemurian is preceded by the Hettangian and is followed by the Pliensbachian. In Europe the Sinemurian age, together with the Hettangian age, saw the deposition of the lower Lias Group, Lias, in Great Britain known as the Blue Lias. Stratigraphic definitions The Sinemurian Stage was defined and introduced into scientific literature by French palaeontologist Alcide d'Orbigny in 1842. It takes its name from the French town of Semur-en-Auxois, near Dijon. The calcareous soil formed from the Jurassic limestone of the region is in part responsible for the character of the classic Sancerre (wine), Sancerre wines. The base of the Sinemurian Stage is at the first appearance of the ammonite genu ...
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Toarcian
The Toarcian is, in the International Commission on Stratigraphy, ICS' geologic timescale, an age (geology), age and stage (stratigraphy), stage in the Early Jurassic, Early or Lower Jurassic. It spans the time between 184.2 Megaannum, Ma (million years ago) and 174.7 ±0.8 Ma. It follows the Pliensbachian and is followed by the Aalenian. The Toarcian Age began with the Toarcian Oceanic Anoxic Event, a major anoxic event associated with marine extinctions and increased global temperatures that sets its fossil faunas apart from the previous Pliensbachian age. It is believed to have ended with a global cooling event known as the Comptum Cooling Event, although whether it represented a worldwide event is controversial. Stratigraphic definitions The Toarcian takes its name from the city of Thouars, just south of Saumur in the Loire Valley of France. The stage was introduced by French palaeontologist Alcide d'Orbigny in 1842, after examining stratum, rock strata of this age in a quar ...
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Poland
Poland, officially the Republic of Poland, is a country in Central Europe. It extends from the Baltic Sea in the north to the Sudetes and Carpathian Mountains in the south, bordered by Lithuania and Russia to the northeast, Belarus and Ukraine to the east, Slovakia and the Czech Republic to the south, and Germany to the west. The territory has a varied landscape, diverse ecosystems, and a temperate climate. Poland is composed of Voivodeships of Poland, sixteen voivodeships and is the fifth most populous member state of the European Union (EU), with over 38 million people, and the List of European countries by area, fifth largest EU country by area, covering . The capital and List of cities and towns in Poland, largest city is Warsaw; other major cities include Kraków, Wrocław, Łódź, Poznań, and Gdańsk. Prehistory and protohistory of Poland, Prehistoric human activity on Polish soil dates to the Lower Paleolithic, with continuous settlement since the end of the Last Gla ...
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Michael Cooper (paleontologist)
Michael Jerome Cooper (born April 15, 1956), nicknamed "Coop", is an American basketball coach and former player. He played for the Los Angeles Lakers during his entire career in the National Basketball Association (NBA), winning five NBA championships with the Lakers during their Showtime era. He was an eight-time selection to the NBA All-Defensive Team, including five times on the first team. He was named the NBA Defensive Player of the Year in 1987. Cooper was inducted into the Naismith Memorial Basketball Hall of Fame in 2024. The Lakers retired his 21 jersey in 2025. As a coach, Cooper led the Los Angeles Sparks of the Women's National Basketball Association (WNBA) to two championships and the Albuquerque Thunderbirds to one NBA G League title. He has also coached in the NBA, WNBA, and the NBA Development League. He was the head coach for boys basketball at Culver City High School in California from 2021 to 2023. He then took an assistant coaching job for men's basketball ...
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1984 In Paleontology
Plants Angiosperms Arthropods Arachnids Newly named crustaceans Newly named eurypterids Conodont paleozoology Willi Ziegler and Charles A. Sandberg described the conodont genus '' Alternognathus''. Archosauromorphs Newly named archosauromorphs Newly named dinosaurs Data courtesy of George Olshevsky's dinosaur genera list. Newly named birds Pterosaurs References {{portal, Paleontology Paleontology Paleontology, also spelled as palaeontology or palæontology, is the scientific study of the life of the past, mainly but not exclusively through the study of fossils. Paleontologists use fossils as a means to classify organisms, measure ge ...
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