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Cimolesta
Cimolesta is an extinct order of non-placental eutherian mammals. Cimolestans had a wide variety of body shapes, dentition and lifestyles, though the majority of them were small to medium-sized general mammals that bore superficial resemblances to rodents, lagomorphs, mustelids, and marsupials. Several groups have previously been suggested to have descended from the Cimolesta: the Pholidota (which would have been regarded as a suborder of Cimolesta), the Creodonta, and the Carnivora. The origins of the enigmatic Pantodonta, Tillodonta and Dinocerata have all been suggested to lie within the Cimolesta as well. However, recent studies have revealed that cimolestans are more likely to be basal, non-placental eutherians, with no living descendants. Some experts had placed the pangolins within Cimolesta, though the current consensus is that the pangolins should be placed within their own order, Pholidota, as a sister taxon to Carnivora within Ferae. Some have also placed the enigm ...
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Pantolestidae
Pantolestidae is an extinct family of semi-aquatic, non-placental eutherian mammals. Forming the core of the equally extinct suborder Pantolesta, the pantolestids evolved as a series of increasingly otter-like forms, ranging from the Middle Paleocene (60 mya) '' Bessoecetor'' to the Late Eocene ( Ergilian) (50-33 mya) '' Gobiopithecus'' and '' Kiinkerishella''. They first appear in North America, whence they spread to Europe.Jehle 2005 Description The pantolestids were fish predators with a body length of about and a tail about long. The anatomy of these archaic "insectivorous" mammals is best known through well-preserved Middle Eocene '' Buxolestes'' specimens found at Messel in Germany and a few other less complete specimens,Agustí 2002, p 5 such as the '' Palaeosinopa'' found at Fossil Butte in Wyoming, estimated to have reached body weights of up to , making them relatively large early mammals. They had moderately strong canines and multi-cusped cutting teeth sup ...
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Cimolestidae
Cimolesta is an extinct order of non-placental eutherian mammals. Cimolestans had a wide variety of body shapes, dentition and lifestyles, though the majority of them were small to medium-sized general mammals that bore superficial resemblances to rodents, lagomorphs, mustelids, and marsupials. Several groups have previously been suggested to have descended from the Cimolesta: the Pholidota (which would have been regarded as a suborder of Cimolesta), the Creodonta, and the Carnivora. The origins of the enigmatic Pantodonta, Tillodonta and Dinocerata have all been suggested to lie within the Cimolesta as well. However, recent studies have revealed that cimolestans are more likely to be basal, non-placental eutherians, with no living descendants. Some experts had placed the pangolins within Cimolesta, though the current consensus is that the pangolins should be placed within their own order, Pholidota, as a sister taxon to Carnivora within Ferae. Some have also placed the enigmati ...
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Merialus
''Merialus'' is a genus of extinct squirrel-like mammals belonging to the order Cimolesta Cimolesta is an extinct order of non-placental eutherian mammals. Cimolestans had a wide variety of body shapes, dentition and lifestyles, though the majority of them were small to medium-sized general mammals that bore superficial resemblances t .... Taxonomy There are two species of ''Merialus'' recognized so far, ''M. martinae'' and ''M. bruneti''. Both have been found in Ypresian-age deposits in the Paris Basin.Floréal Solé; Olivia Plateau; Kévin Le Verger; Alain Phélizon (2019). New paroxyclaenid mammals from the early Eocene of the Paris Basin (France) shed light on the origin and evolution of these endemic European cimolestans. ''Journal of Systematic Palaeontology'' Online edition. . References Cimolestans Eocene mammals Eocene mammals of Europe Fossil taxa described in 1988 Prehistoric mammal genera {{paleo-mammal-stub ...
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Wyoming
Wyoming ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States, Western United States. It borders Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the southwest, and Colorado to the south. With an estimated population of 587,618 as of 2024, Wyoming is the List of U.S. states and territories by population, least populous state despite being the List of U.S. states and territories by area, 10th largest by area, and it has the List of U.S. states by population density, second-lowest population density after Alaska. The List of capitals in the United States, state capital and List of municipalities in Wyoming, most populous city is Cheyenne, Wyoming, Cheyenne, which had a population of 65,132 in 2020. Wyoming's western half consists mostly of the ranges and rangelands of the Rocky Mountains; its eastern half consists of high-elevation prairie, and is referred to as th ...
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Chacopterygus
''Chacopterygus'' is an extinct genus of cimolestid mammal which existed in New Mexico, during the early Paleocene (middle Puercan age). Its fossils have been recovered from the Nacimiento Formation, San Juan Basin, New Mexico. It was first named by Thomas E. Williamson, Anne Weil and Barbara Standhardt in 2011 The year marked the start of a Arab Spring, series of protests and revolutions throughout the Arab world advocating for democracy, reform, and economic recovery, later leading to the depositions of world leaders in Tunisia, Egypt, and Yemen ... and the type species is ''Chacopterygus minutus''. References Cimolestans Paleocene mammals Fossil taxa described in 2011 Extinct mammals of North America Prehistoric mammal genera {{paleo-mammal-stub ...
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Betonnia
''Betonnia'' is an extinct genus of cimolestid mammal which existed in New Mexico, during the early Paleocene (middle and late Puercan age). Its fossils have been recovered from the Nacimiento Formation, San Juan Basin, New Mexico. It was first named by Thomas E. Williamson, Anne Weil and Barbara Standhardt in 2011 The year marked the start of a Arab Spring, series of protests and revolutions throughout the Arab world advocating for democracy, reform, and economic recovery, later leading to the depositions of world leaders in Tunisia, Egypt, and Yemen ... and the type species is ''Betonnia tsosia''. References Cimolestans Paleocene mammals Fossil taxa described in 2011 Extinct mammals of North America Prehistoric mammal genera {{paleo-mammal-stub ...
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