Satoshi Utsunomiya
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Satoshi Utsunomiya
Satoshi Utsunomiya (born 1969) is a Japanese fossil collector and science writer. He is an external researcher at the Osaka Museum of Natural History. He is known as the "Salaryman Fossil Hunter". The plesiosaur (also known as Satsuma-utsunomiya-ryu) was named after the old regional name of the discovery site and the discoverer, Satoshi Utsunomiya. His other discoveries include a spinosaurid tooth fossil and remains of a giant mosasaur. Biography Born in Ehime Prefecture. In 1992, after graduating from Ritsumeikan University, he joined Matsushita Electric Industrial Co., Ltd. (now Panasonic) as an employee. He continued fossil collecting as a hobby while working as a company employee. As a lifelong pursuit, he conducted excavations of prehistoric creatures, discovering numerous large vertebrate fossils in various parts of Japan. These discoveries include Satsuma-utsunomiya-ryu, named after him, as well as dinosaurs (carnivorous, herbivorous, and piscivorous), mosasaur, ptero ...
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Ehime Prefecture
is a Prefectures of Japan, prefecture of Japan located on the island of Shikoku. Ehime Prefecture has a population of 1,334,841 and a geographic area of 5,676 km2 (2,191 sq mi). Ehime Prefecture borders Kagawa Prefecture to the northeast, Tokushima Prefecture to the east, and Kōchi Prefecture to the southeast. Matsuyama is the capital and largest city of Ehime Prefecture and the largest city on Shikoku, with other major cities including Imabari, Ehime, Imabari, Niihama, and Saijō, Ehime, Saijō. Notable past Ehime residents include three Nobel Prize winners: Kenzaburo Oe (1994 Nobel Prize in Literature), Shuji Nakamura (2014 Nobel Prize in Physics), and Syukuro Manabe (2021 Nobel Prize in Physics). History Until the Meiji Restoration, Ehime Prefecture was known as Iyo Province. Since before the Heian period, the area was dominated by fishermen and sailors who played an important role in defending Japan against pirates and Mongols, Mongolian invasions. After the Battle of ...
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Osaka Prefecture
is a prefecture of Japan located in the Kansai region of Honshu. Osaka Prefecture has a population of 8,778,035 () and has a geographic area of . Osaka Prefecture borders Hyōgo Prefecture to the northwest, Kyoto Prefecture to the north, Nara Prefecture to the southeast, and Wakayama Prefecture to the south. Osaka is the capital and largest city of Osaka Prefecture, and the third-largest city in Japan, with other major cities including Sakai, Higashiōsaka, and Hirakata. Osaka Prefecture is located on the western coast of the Kii Peninsula, forming the western is open to Osaka Bay. Osaka Prefecture is the third-most-populous prefecture, but by geographic area the second-smallest; at it is the second-most densely populated, below only Tokyo. Osaka Prefecture is one of Japan's two " urban prefectures" using the designation ''fu'' (府) rather than the standard '' ken'' for prefectures, along with Kyoto Prefecture. Osaka Prefecture forms the center of the Keihanshin metro ...
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Iguanodontidae
Iguanodontidae is a family of iguanodontians belonging to Styracosterna, a derived clade within Ankylopollexia. The clade is formally defined in the ''PhyloCode'' by Daniel Madzia and colleagues in 2021 as "the largest clade containing '' Iguanodon bernissartensis'', but not '' Hadrosaurus foulkii''". Characterized by their elongated maxillae, they were herbivorous and typically large in size. This family exhibited locomotive dynamism; there exists evidence for both bipedalism and quadrupedalism within iguanodontid species, supporting the idea that individual organisms were capable of both locomoting exclusively with their hind limbs and locomoting quadrupedally. Iguanodontids possess hoof-like second, third, and fourth digits, and in some cases, a specialized thumb spike and an opposable fifth digit. Their skull construction allows for a strong chewing mechanism called a transverse power stroke. This, paired with their bilateral dental occlusion, made them extremely effective ...
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Ishikawa Prefecture
is a Prefectures of Japan, prefecture of Japan located in the Chūbu region of Honshu island. Ishikawa Prefecture has a population of 1,096,721 (1 January 2025) and has a geographic area of 4,186 Square kilometre, km2 (1,616 sq mi). Ishikawa Prefecture borders Toyama Prefecture to the east, Gifu Prefecture to the southeast, and Fukui Prefecture to the south. Kanazawa is the capital and largest city of Ishikawa Prefecture, with other major cities including Hakusan, Ishikawa, Hakusan, Komatsu, Ishikawa, Komatsu, and Kaga, Ishikawa, Kaga. Ishikawa is located on the Sea of Japan coast and features most of the Noto Peninsula which forms Toyama Bay, one of the largest bays in Japan. Ishikawa Prefecture is part of the historic Hokuriku region and formerly an important populated center that contained some of the wealthiest ''Han system, han'' (domains) of the History of Japan#Feudal Japan, Japanese feudal era. Ishikawa Prefecture is home to Kanazawa Castle, Kenroku-en one of the Three G ...
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Theropoda
Theropoda (; from ancient Greek [wiktionary:θηρίον, , (''therion'') "wild beast"; wiktionary:πούς, , wiktionary:ποδός, (''pous, podos'') "foot"]) is one of the three major groups (Clade, clades) of Dinosaur, dinosaurs, alongside Ornithischia and Sauropodomorpha. Theropods, both extant and extinct, are characterized by hollow bones and three toes and claws on each limb. They are generally classed as a group of saurischian dinosaurs, placing them closer to sauropodomorphs than to ornithischians. They were ancestrally carnivorous, although a number of theropod groups evolved to become herbivores and omnivores. Members of the subgroup Coelurosauria and possibly some other or all theropods were covered in Feather, feathers. In the Jurassic, birds evolved from small specialized coelurosaurian theropods, and are currently represented by about 11,000 living species, making theropods the only group of dinosaurs alive today. Theropods first appeared during the Ca ...
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Miyazaki Prefecture
is a Prefectures of Japan, prefecture of Japan located on the island of Kyūshū. Miyazaki Prefecture has a population of 1,028,215 as of 1 January 2025 and has a geographic area of 7,735 Square kilometre, km2 (2,986 sq mi). Miyazaki Prefecture borders Ōita Prefecture to the north, Kumamoto Prefecture to the northwest, and Kagoshima Prefecture to the southwest. Miyazaki, Miyazaki, Miyazaki is the capital and largest city of Miyazaki Prefecture, with other major cities including Miyakonojō, Nobeoka, Miyazaki, Nobeoka, and Hyūga, Miyazaki, Hyūga. Miyazaki Prefecture is located in southeastern Kyūshū on Japan's Pacific coast, with its coastline extending from Nobeoka near the entrance to the Bungo Channel to Shibushi Bay in Kushima. History Historically, after the Meiji Restoration, Hyūga Province was renamed Miyazaki Prefecture. In Japan, Miyazaki Prefecture was first created in 1873 when Mimitsu Prefecture was merged with parts of Miyakonojō Prefecture. The first M ...
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Syringopora
''Syringopora'' is an extinct genus of phaceloid tabulate coral. It has been found in rocks ranging in age from the Ordovician to the Permian, although it was most widespread during the Silurian, Devonian, and Carboniferous The Carboniferous ( ) is a Geologic time scale, geologic period and System (stratigraphy), system of the Paleozoic era (geology), era that spans 60 million years, from the end of the Devonian Period Ma (million years ago) to the beginning of the ... periods. Among other places, it has been found in the Columbus Limestone in Ohio, and in the Spring Branch Member of the Lecompton Limestone in Kansas. References Tabulata Prehistoric Hexacorallia genera Late Devonian animals Devonian animals of North America Paleozoic life of Ontario Paleozoic life of Alberta Paleozoic life of British Columbia Paleozoic life of the Northwest Territories Paleozoic life of Nunavut Paleozoic life of Quebec Paleozoic life of Yukon {{paleo-hexacorallia-stub ...
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Kagoshima Prefectural Museum
, is the capital city of Kagoshima Prefecture, Japan. , the city had an estimated population of 583,966 in 285,992 households, and a population density of 1100 persons per km2. The total area of the city is . Etymology While the kanji used to spell () literally mean "deer child island", or "island of the fawn", the source etymology is not clear, and may refer to "cliff" or "sailor" in the local dialect. Local names for the city include , , and . History Kagoshima is located in ancient Satsuma Province and was the center of the territory of the Shimazu clan from the late Kamakura period. Kagoshima City developed political and commercial port city in the Edo period (1603–1868) when it became the seat of the Shimazu's Satsuma Domain, which was one of the most powerful and wealthiest domains in the country throughout the period, and though international trade was banned for much of this period, the city remained quite active and prosperous. Satsuma Domain also had control over ...
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Kagoshima
, is the capital Cities of Japan, city of Kagoshima Prefecture, Japan. , the city had an estimated population of 583,966 in 285,992 households, and a population density of 1100 persons per km2. The total area of the city is . Etymology While the kanji used to spell () literally mean "deer child island", or "island of the fawn", the source etymology is not clear, and may refer to "cliff" or "sailor" in the Kagoshima dialect, local dialect. Local names for the city include , , and . History Kagoshima is located in ancient Satsuma Province and was the center of the territory of the Shimazu clan from the late Kamakura period. Kagoshima City developed political and commercial port city in the Edo period (1603–1868) when it became the seat of the Shimazu's Satsuma Domain, which was one of the most powerful and wealthiest domains in the country throughout the period, and though international trade was sakoku, banned for much of this period, the city remained quite active and pros ...
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Wakayama Prefecture
is a prefecture of Japan located in the Kansai region of Honshu. Wakayama Prefecture has a population of 876,030 () and a geographic area of . Wakayama Prefecture borders Osaka Prefecture to the north, and Mie Prefecture and Nara Prefecture to the northeast. Wakayama is the capital and largest city of Wakayama Prefecture, with other major cities including Tanabe, Hashimoto, and Kinokawa. Wakayama Prefecture is located on the southwestern coast of the Kii Peninsula on the Kii Channel, connecting the Pacific Ocean and Seto Inland Sea, across from Tokushima Prefecture on the island of Shikoku. History Present-day Wakayama is mostly the western part of the province of Kii. 1953 flood disaster On July 17–18, 1953, a torrential heavy rain occurred, followed by collapse of levees, river flooding and landslides in a wide area. Many bridges and houses were destroyed. According to an officially confirmed report by the Government of Japan, 1,015 people died, with 5,709 i ...
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Pellet (ornithology)
A pellet, in ornithology, is the mass of undigested parts of a bird's food that some bird species occasionally regurgitate. The contents of a bird's pellet depend on its diet, but can include the exoskeletons of insects, indigestible plant matter, bones, fur, feathers, bills, claws, and teeth. In falconry, the pellet is called a ''casting''. The passing of pellets allows a bird to remove indigestible material from its proventriculus, or glandular stomach. In birds of prey, the regurgitation of pellets serves the bird's health in another way, by "scouring" parts of the digestive tract, including the gullet. Pellets are formed within six to ten hours of a meal in the bird's gizzard (muscular stomach). Ornithologists may collect one species' pellets over time to analyze the seasonal variation in its eating habits. One advantage of collecting pellets is that it allows for the determination of diet without the killing and dissection of the bird. Pellets are found in different lo ...
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