Diplodocinae
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Diplodocinae
Diplodocinae is an extinct subfamily of diplodocid sauropods that existed from the Late Jurassic to Early Cretaceous of North America, Europe, Africa and South America, about 161.2 to 136.4 million years ago. Genera within the subfamily include ''Tornieria'', '' Supersaurus'', ''Leinkupal'', ''Galeamopus'', ''Diplodocus'', and ''Barosaurus.'' Cladogram A cladogram (from Greek ''clados'' "branch" and ''gramma'' "character") is a diagram used in cladistics to show relations among organisms. A cladogram is not, however, an evolutionary tree because it does not show how ancestors are related to d ... of the Diplodocidae after Tschopp, Mateus, and Benson (2015). References Diplodocids Jurassic dinosaurs {{sauropodomorph-stub ...
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Diplodocids
Diplodocids, or members of the family Diplodocidae ("double beams"), are a group of sauropod dinosaurs. The family includes some of the longest creatures ever to walk the Earth, including '' Diplodocus'' and ''Supersaurus'', some of which may have reached lengths of up to . Description Diplodocids were generally large animals, even by sauropod standards. Thanks to their long necks and tails, diplodocids were among the longest sauropods, with some species such as '' Supersaurus vivianae'' and '' Diplodocus hallorum'' estimated to have reached lengths of or more. The heaviest diplodocids, such as ''Supersaurus'' and '' Apatosaurus'', may have weighed close to 40 tonnes. However, not all diplodocids were so large; the South American species '' Leinkupal laticauda'' was one of the smallest diplodocids, with an estimated length of only . Their heads, like those of other sauropods, were tiny with the nasal openings on the top of the head (though in life the nostrils themselves would ...
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Supersaurus
''Supersaurus'' (meaning "super lizard") is a genus of diplodocid Sauropoda, sauropod dinosaur that lived in North America during the Late Jurassic period. The type species, ''S. vivianae'', was first discovered by Vivian Jones of Delta, Colorado, in the middle Morrison Formation of Colorado in 1972. The fossil remains came from the Brushy Basin Member of the formation, dating between 153 to 145 million years ago. It was a very large sauropod, reaching in length and approximately in body mass. A potential second species, ''S. lourinhanensis'', (''Dinheirosaurus'') is known from Portugal and has been dated to a similar time. Discovery ''Supersaurus'' is present in stratigraphic zone 5 of the Morrison, dating from the Tithonian. The original fossil remains of ''Supersaurus'' were discovered in the Dry Mesa Quarry in 1972. This find yielded only a few bones: mainly the shoulder girdle, an ischium and tail vertebrae. Paleontologist James A. Jensen described ''Supersaurus''; he de ...
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Diplodocidae
Diplodocids, or members of the family Diplodocidae ("double beams"), are a group of sauropod dinosaurs. The family includes some of the longest creatures ever to walk the Earth, including ''Diplodocus'' and '' Supersaurus'', some of which may have reached lengths of up to . Description Diplodocids were generally large animals, even by sauropod standards. Thanks to their long necks and tails, diplodocids were among the longest sauropods, with some species such as ''Supersaurus vivianae'' and ''Diplodocus hallorum'' estimated to have reached lengths of or more. The heaviest diplodocids, such as ''Supersaurus'' and ''Apatosaurus'', may have weighed close to 40 tonnes. However, not all diplodocids were so large; the South American species ''Leinkupal laticauda'' was one of the smallest diplodocids, with an estimated length of only . Their heads, like those of other sauropods, were tiny with the nasal openings on the top of the head (though in life the nostrils themselves would have ...
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Diplodocid
Diplodocids, or members of the family Diplodocidae ("double beams"), are a group of sauropod dinosaurs. The family includes some of the longest creatures ever to walk the Earth, including ''Diplodocus'' and ''Supersaurus'', some of which may have reached lengths of up to . Description Diplodocids were generally large animals, even by sauropod standards. Thanks to their long necks and tails, diplodocids were among the longest sauropods, with some species such as ''Supersaurus vivianae'' and ''Diplodocus hallorum'' estimated to have reached lengths of or more. The heaviest diplodocids, such as ''Supersaurus'' and ''Apatosaurus'', may have weighed close to 40 tonnes. However, not all diplodocids were so large; the South American species ''Leinkupal laticauda'' was one of the smallest diplodocids, with an estimated length of only . Their heads, like those of other sauropods, were tiny with the nasal openings on the top of the head (though in life the nostrils themselves would have ...
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Supersaurus Vivianae
''Supersaurus'' (meaning "super lizard") is a genus of diplodocid sauropod dinosaur that lived in North America during the Late Jurassic period. The type species, ''S. vivianae'', was first discovered by Vivian Jones of Delta, Colorado, in the middle Morrison Formation of Colorado in 1972. The fossil remains came from the Brushy Basin Member of the formation, dating between 153 to 145 million years ago. It was a very large sauropod, reaching in length and approximately in body mass. A potential second species, ''S. lourinhanensis'', (''Dinheirosaurus'') is known from Portugal and has been dated to a similar time. Discovery ''Supersaurus'' is present in stratigraphic zone 5 of the Morrison, dating from the Tithonian. The original fossil remains of ''Supersaurus'' were discovered in the Dry Mesa Quarry in 1972. This find yielded only a few bones: mainly the shoulder girdle, an ischium and tail vertebrae. Paleontologist James A. Jensen described ''Supersaurus''; he designated a ...
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Supersaurus Lourinhanensis
''Dinheirosaurus'' is a genus of diplodocid sauropod dinosaur that is known from fossils uncovered in modern-day Portugal. It may represent a species of ''Supersaurus''. The only species is ''Dinheirosaurus lourinhanensis'', first described by José Bonaparte and Octávio Mateus in 1999 for vertebrae and some other material from the Lourinhã Formation. Although the precise age of the formation is not known, it can be dated around the early Tithonian of the Late Jurassic. The known material includes two cervical vertebrae, nine dorsal vertebrae, a few ribs, a fragment of a pubis, and many gastroliths. Of the material, only the vertebrae are diagnostic, with the ribs and pubis being too fragmentary or general to distinguish ''Dinheirosaurus''. This material was first described as in the genus ''Lourinhasaurus'', but differences were noticed and in 1999 Bonaparte and Mateus redescribed the material under the new binomial ''Dinheirosaurus lourinhanensis''. Another specimen ...
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Dinheirosaurus
''Dinheirosaurus'' is a genus of diplodocid sauropod dinosaur that is known from fossils uncovered in modern-day Portugal. It may represent a species of ''Supersaurus''. The only species is ''Dinheirosaurus lourinhanensis'', first described by José Bonaparte and Octávio Mateus in 1999 for vertebrae and some other material from the Lourinhã Formation. Although the precise age of the formation is not known, it can be dated around the early Tithonian of the Late Jurassic. The known material includes two cervical vertebrae, nine dorsal vertebrae, a few ribs, a fragment of a pubis, and many gastroliths. Of the material, only the vertebrae are diagnostic, with the ribs and pubis being too fragmentary or general to distinguish ''Dinheirosaurus''. This material was first described as in the genus ''Lourinhasaurus'', but differences were noticed and in 1999 Bonaparte and Mateus redescribed the material under the new binomial ''Dinheirosaurus lourinhanensis''. Another specimen, ML 418, ...
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Barosaurus
''Barosaurus'' ( ) was a giant, long-tailed, long-necked, plant-eating sauropod dinosaur closely related to the more familiar ''Diplodocus''. Remains have been found in the Morrison Formation from the Upper Jurassic Period of Utah and South Dakota. It is present in stratigraphic zones 2–5.Foster, J. (2007). "Appendix." ''Jurassic West: The Dinosaurs of the Morrison Formation and Their World''. Indiana University Press. pp. 327-329. The composite term ''Barosaurus'' comes from the Greek words ''barys'' (βαρυς) meaning "heavy" and ''sauros'' (σαυρος) meaning "lizard"; thus "heavy lizard". Description ''Barosaurus'' was an enormous animal, with some adults measuring about in length and weighing about 12–20 metric tons (13–22 short tons).Paul, G.S., 2016, ''The Princeton Field Guide to Dinosaurs 2nd edition'', Princeton University Press p. 213 There are some indications of even larger individuals, such as the enormous cervical vertebra from the BYU 902 ...
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Barosaurus Lentus
''Barosaurus'' ( ) was a giant, long-tailed, long-necked, plant-eating sauropod dinosaur closely related to the more familiar '' Diplodocus''. Remains have been found in the Morrison Formation from the Upper Jurassic Period of Utah and South Dakota. It is present in stratigraphic zones 2–5.Foster, J. (2007). "Appendix." ''Jurassic West: The Dinosaurs of the Morrison Formation and Their World''. Indiana University Press. pp. 327-329. The composite term ''Barosaurus'' comes from the Greek words ''barys'' (βαρυς) meaning "heavy" and ''sauros'' (σαυρος) meaning "lizard"; thus "heavy lizard". Description ''Barosaurus'' was an enormous animal, with some adults measuring about in length and weighing about 12–20  metric tons (13–22 short tons).Paul, G.S., 2016, ''The Princeton Field Guide to Dinosaurs 2nd edition'', Princeton University Press p. 213 There are some indications of even larger individuals, such as the enormous cervical vertebra from the ...
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Diplodocus
''Diplodocus'' (, , or ) was a genus of diplodocid sauropod dinosaurs, whose fossils were first discovered in 1877 by S. W. Williston. The generic name, coined by Othniel Charles Marsh in 1878, is a neo-Latin term derived from Greek διπλός (''diplos'') "double" and δοκός (''dokos'') "beam", in reference to the double-beamed chevron bones located in the underside of the tail, which were then considered unique. The genus of dinosaurs lived in what is now mid-western North America, at the end of the Jurassic period. It is one of the more common dinosaur fossils found in the middle to upper Morrison Formation, between about 154 and 152 million years ago, during the late Kimmeridgian Age. The Morrison Formation records an environment and time dominated by gigantic sauropod dinosaurs, such as ''Apatosaurus'', ''Barosaurus'', ''Brachiosaurus'', ''Brontosaurus'', and '' Camarasaurus''. Its great size may have been a deterrent to the predators ''Allosaurus'' and ''Cerato ...
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Kaatedocus
''Kaatedocus'' is a genus of diplodocine flagellicaudatan sauropod known from the middle Late Jurassic ( Kimmeridgian stage) of northern Wyoming, United States. It is known from well-preserved skull and cervical vertebrae which were collected in the lower part of the Morrison Formation. The type and only species is ''Kaatedocus siberi'', described in 2012 by Emanuel Tschopp and Octávio Mateus. History In 1934, a team of the American Museum of Natural History (AMNH) headed by Barnum Brown, financed by the Sinclair Oil Corporation, uncovered about three thousand sauropod bones on the land of rancher Barker Howe near Shell, in Big Horn County. Plans for further excavations in 1935 had to be cancelled after Howe, convinced by the large publicity surrounding the find that the remains were very valuable, demanded higher payment. The bones would not be described and most of them were lost in a fire at the AMNH during the 1940s; other were thrown away in the 1960s after having ...
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Leinkupal
''Leinkupal'' is a genus of diplodocine sauropod known from the Early Cretaceous ( Late Berriasian to Early Valanginian stage) of the Bajada Colorada Formation, southeastern Neuquén Basin in the Neuquén Province of Argentina. It contains a single species, ''Leinkupal laticauda''. History of discovery In 2010 and 2012, at Picún Leufu in Neuquén Province, remains were uncovered of several types of dinosaurs. One of these was a diplodocoid sauropod new to science. In 2014, the type species ''Leinkupal laticauda'' was named and described by Pablo Gallina, Sebastián Apesteguía, Alejandro Haluza and Juan Canale. The generic name combines the Mapudungun ''lein'', "vanishing", and ''kupal'', "family", in reference to ''Leinkupal'' being the last, or youngest, known species of the Diplodocidae. The specific name is derived from Latin, ''latus'', "wide", and ''cauda'', "tail", in reference to the broad caudal vertebrae. The holotype, MMCH-Pv 63-1, was found in a layer of the ...
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