Knowledge (XXG)

John Ostrom

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480: 558: 751: 567: 507:, Ostrom concluded that hadrosaurs likely developed an acute sense of smell by a lengthening of the nasal passages into long chambers that wound around the skull and were protected by bony crests. He speculated in a subsequent paper that hadrosaurs had need for such an acute sense of smell as a defense against larger carnivorous dinosaurs, of which the hadrosaur body plan had little in the way of armor and speed. 42: 660:
Due in large part to his earlier research on hadrosaursβ€”and his conclusion that they were likely upright, terrestrial animals rather than sluggish, swamp-bound lizardsβ€”Ostrom was one of the first paleontologists to grasp the implications of the amount of energy it would take such large animals (and
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This hypothesis led Ostrom to further conclude that ecology of hadrosaurs was more likely to be that of dry ground such as conifer forests, rather than swampy, aquatic environments, thought to be the case at the time. This idea was further justified by a 1922 paper that Ostrom rediscovered in 1964,
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was an active predator that clearly killed its prey by leaping and slashing or stabbing with its "terrible claw", the meaning of the animal's genus name. Ostrom also suggested that it had hunted in packs. John Ostrom's work on the functional morphology of dinosaurs found that the claws and tendon
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In considering the possible evolution of flight, Ostrom theorized that birds might have evolved the ability for powered flight as a result of cursorial, or ground-upward movement such as leaping up to capture prey. This position was opposed to the arboreal hypothesis in which activities such as
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have since been destroyed. As early as October 20, 1884, stones from the Wolcott Quarry, reportedly containing fossils, were used to build a local bridge. In 1969, Ostrom surveyed over 60 bridges to find the missing blocks. They were part of a bridge over Hop Creek at Bridge Street which was
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Ostrom worked in the Cloverly Formation Site in Montana and Wyoming from 1962 to 1966. Late in 1964, he detected unfamiliar fossils in the Bridger Fossil Area, near the town of Bridger, Montana. In subsequent seasons, his team unearthed four specimens of a small bipedal carnivorous
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scheduled for replacement. The highway department allowed Ostrom and his team to examine 400 sandstone blocks to find dinosaur fossils. Despite lobbying to preserve it, a shopping mall was built on the site of the Charles O. Wolcott Quarry in 2000.
747:. He suggested that dinosaurs, far from becoming extinct, had evolved into a wide variety of descendants in the form of birds. Ostrom's work led to a revolution in the classification of fossils and the understanding of dinosaur-bird lineages. 625:
changed depictions of dinosaurs both by professional illustrators and as perceived by the public eye. Museums worldwide changed their dinosaur bone displays. The altered view of dinosaurs inspired a new generation of dinosaur movies such as
839:(meaning "Ostrom's menace from the clouds") in honour of John Ostrom. The fossil is that of a primitive winged creature with a two-foot wingspan, feathers and a sickle-shaped claw on its second toe designed for slashing prey, similar to 348:
as his advisor. In 1951 Simpson invited Ostrom to spend the summer as a field assistant in the San Juan Basin of New Mexico. Ostrom also worked as a research assistant with Colbert, who was the Curator of Vertebrate Paleontology at the
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running along the tail, providing a stiff counterbalance for jumping and running. This changed the posture of bipedal dinosaurs to one of agile, fast-running, fearsome predators. He concluded that at least some dinosaurs had a high
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by Bakker to describe increased interest in paleontology. The "dinosaur renaissance" continues, with scientists describing new species of dinosaurs every year and expanding the understanding of dinosaur biology.
679:. Ostrom supported this view by noting the correlation of erect posture and locomotion with high metabolism and body temperature in modern mammals and birds, stating that this relationship cannot be accidental. 3011: 3051: 495:
Ostrom's work first achieved international attention with his studies of the unique hadrosaur nasal apparatus, which had not been convincingly explained by the early 1960s. By examining the
436:, published over a dozen books for both scientific and lay audiences. He was the recipient of numerous awards and honors. In the 1960s, Ostrom wrote a paleontology themed guide for the 479: 455:
Ostrom officially retired from Yale in 1992, but continued to write and research as a professor emeritus until his health failed. Ostrom died from complications of
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Anatomy and phylogenetic relationships of the theropod dinosaur Microvenator celer from the Lower Cretaceous of Montana. American Museum novitates ; no. 3240
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As a result of subsequent research and comparison with more recently found specimens from the Tiaojushan Formation of China, it was suggested in 2017 that the
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for John Ostrom and Chris Mays. The largest discovered example of this species is 23 feet long and had an estimated live weight over 1000 pounds.
532:. He mapped the site, identifying preserved dinosaur tracks in the sandstone beds of various sizes and species. Ostrom's reading of fossilized 3026: 325:, he originally aimed to prepare for medical school in order to become a physician like his father. However, an elective course in geology and 2092: 1358: 739:. Ostrom's 1970 paper (and 1972 description) identified it as one of only four specimens known to exist at that time. In his 1973 paper in 1722: 3031: 2338: 2351: 2213: 350: 273:(1926). Prior to Ostrom's work, the development of birds was generally believed to have split off early on from that of dinosaurs. 3046: 3021: 2440: 2156: 1831: 1749: 1596: 420: 385: 1619:"The oldest Archaeopteryx (Theropoda: Avialiae): a new specimen from the Kimmeridgian/Tithonian boundary of Schamhaupten, Bavaria" 158: 2525: 2457: 3041: 817: 743:, "The Ancestry of Birds", Ostrom argued for a coelurosaurian (Theropoda) ancestry of birds, based on the skeletal anatomy of 525: 2230: 1177: 305:, confirming his theories about dinosaurs being progenitors of birds, and the existence of dinosaurs with feathered plumage. 675:
climates were universally tropical and that such warm climates would be necessary to sustain large animals with lizard-like
517:, which included conifer needles, twigs, fruit and seeds, plant matter that would be consumed in a terrestrial environment. 444:(NNLs) Program. He recommended 20 sites for designation and protection as NNLs, of which 13 became designated landmarks. 1956:"Preserving Fossils: How the National Natural Landmarks Program Advances Resource Management (U.S. National Park Service)" 2430: 2067: 432: 2934: 682:
The observation that dinosaurs, thought to be uniformly cold-blooded at the time, could not be used as indicators of
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Throughout his career, Ostrom led and organized fossil-hunting expeditions to Wyoming and Montana. He worked in the
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Getty, Patrick R.; Aucoin, Christopher; Fox, Nathaniel; Judge, Aaron; Hardy, Laurel; Bush, Andrew M. (March 2017).
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scars in the tail would indicate a running position. Evidence of a truly active lifestyle included long strings of
441: 353:(AMNH), Ostrom earned his doctorate in geology (vertebrate paleontology) in 1960 with a thesis on North American 380:, where he remained throughout his career. As a new professor at Yale, Ostrom was named the assistant curator for 822: 400: 2175: 276:
Ostrom showed more bird-like traits common in dinosaurs and proved that birds themselves are in fact a group of
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Tarsitano, Samuel F.; Russell, Anthony P.; Horne, Francis; Plummer, Christopher; Millerchip, Karen (2000).
1896:"Days of the Deinos : Did predatory dinosaurs leave clues to their pack-hunting habits at kill sites?" 538:
trackways led him to the conclusion that these duckbilled dinosaurs were gregarious and traveled in herds.
809: 529: 456: 326: 2311: 962: 2264:"Perennial Lakes as an Environmental Control on Theropod Movement in the Jurassic of the Hartford Basin" 437: 427:("because the governor was besieged by letters from schoolchildren swayed into dino-mania by Ostrom".). 2798:"Evolution of Vertebrate Flight: An Aerodynamic Model for the Transition from Gliding to Active Flight" 2915: 557: 3006: 3001: 2703: 2380: 2275: 1993: 1268: 1064: 974: 919: 717:
Ostrom's interest in the dinosaur-bird connection started with his study of what became known as the
668: 642: 228: 147: 135: 1256: 647: 504: 341: 269: 260: 165: 131: 126: 2833: 2825: 2778: 2672: 2591:"Re-evaluation of the Haarlem Archaeopteryx and the radiation of maniraptoran theropod dinosaurs" 2506: 2017: 1804: 1557: 1518: 1039: 800: 392: 298: 1538:"John Ostrom's Studies on Archaeopteryx, the Origin of Birds, and the Evolution of Avian Flight" 1295: 1142:"Remarkable new birdlike dinosaur (Theropoda: Maniraptora) from the Upper Cretaceous of Montana" 943:"Osteology of Deinonychus antirrhopus, an unusual theropod from the Lower Cretaceous of Montana" 360:
In 1952 Ostrom married Nancy Grace Hartman (d. 2003). They had two daughters, Karen and Alicia.
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The dinosaur heresies: new theories unlocking the mystery of the dinosaurs and their extinction
750: 724:. Discovered in 1855, it was actually the first specimen recovered but, incorrectly labeled as 667:) to stand and move erect. At the first North American Paleontological Convention, held at the 251:
Further, Ostrom's work made zoologists question whether birds should be considered an order of
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Ostrom, JH (1972). "Description of the Archaeopteryx specimen in the Teyler museum, Haarlem".
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was considered radical at the time, but its ability to resolve outstanding contradictions in
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Burnham, D. A.; Bakker, R. T.; Currie, P. J.; Ostrom, J. H.; Kraig, L. D.; Zhou, Z. (2000).
1108: 1072: 1031: 982: 927: 683: 611: 410: 369: 345: 264: 224: 195: 79: 2369:"Shake a tail feather: the evolution of the theropod tail into a stiff aerodynamic surface" 1417: 2981: 521: 377: 53: 1376:"Creating the Proavis: bird origins in the art and science of Gerhard Heilmann 1913–1926" 1121: 395:
Site in Montana and Wyoming from 1962 to 1966. By 1964 he had made 10 expeditions to the
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inspired him to change his career plans. He earned his bachelor's degree in biology and
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In the field of paleontology, Ostrom is responsible for the following key discoveries:
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immediately drew many followers, and would be supported by many future discoveries.
2005: 1871: 1522: 695: 618: 607: 199: 185: 1347:"A short history of research on Archaeopteryx and its relationship with dinosaurs" 2393: 771:
actually represents a separate taxon. The genus has been given the generic name
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lizards, which had prevailed since the turn of the century. The implications of
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in 1964, Ostrom challenged the widespread belief that dinosaurs were slow-moving
2759:"On the Evolution of Feathers from an Aerodynamic and Constructional View Point" 777:, after John Ostrom. The Haarlem fossil is now considered to be of the species 736: 686:
was further validated in 1973 with the discovery of hadrosaur fossils above the
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fossils from the Cloverly Formation. In 1966 John H. Ostrom helped to establish
405: 318: 248:, a small two-legged carnivore, would have been fast-moving and warm-blooded. 236: 101: 48: 2649: 2288: 2263: 2157:"Nasal Cavity Homologies and Cranial Crest Function in Lambeosaurine Dinosaurs" 1016: 874: 2607: 1190: 699: 687: 676: 603: 511:
which described the stomach contents of a mummified specimen of the hadrosaur
491:) paratype YPM 2182 at the Yale University Museum showing its upright posture. 354: 17: 2821: 2774: 2725: 2616: 2502: 2297: 2183: 2013: 1792: 1553: 1399: 1084: 994: 789:
gliding down from trees were suggested to have been a precursor to flight.
2716: 2247: 1982:"The Postcranial Skeleton of the Ornithopod Dinosaur Tenontosaurus tilletti" 1433: 1391: 496: 288: 284: 2743: 2634: 2493: 2477:"Celebrating dinosaurs: their behaviour, evolution, growth, and physiology" 2476: 2412: 1800: 1654: 1514: 1451: 932: 907: 1767:"Generations: Tracking American Paleontology and Anatomy Over 17 Decades" 852: 773: 672: 590:
fossils is considered one of the most important fossil finds in history.
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Pittman, M; Gatesy, SM; Upchurch, P; Goswami, A; Hutchinson, JR (2013).
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Ostrom, John H. (1962). "The cranial crests of hadrosaurian dinosaurs".
41: 2829: 2797: 2782: 2758: 2021: 1981: 1635: 1561: 1537: 765: 718: 500: 334: 1744:. Notable Scientists. New York: Facts on File, Inc. pp. 193–195. 259:. The idea that dinosaurs were similar to birds was first proposed by 2881: 2668: 1783: 1766: 1035: 617:
This helped to change the impression of dinosaurs as sluggish, slow,
598: 241: 2526:"A Yale scientist's research changed our understanding of dinosaurs" 584:, and parts of a larger plant-eating dinosaur. The discovery of the 2813: 2565:
Russell, Dale A. (1973). "The environments of Canadian dinosaurs".
875:"Cranial morphology of the hadrosaurian dinosaurs of North America" 2871: 2119:"John Ostrom, 77; Paleontologist Pursued Dinosaurs' Link to Birds" 749: 478: 302: 2935:"The Continuously Evolving Picture of the World's Largest Raptor" 2853:"How Flight Evolved in Birds: The Flying and Feathered Dinosaurs" 1122:"The Munich specimen of Triceratops with a revision of the genus" 908:"A reconsideration of the paleoecology of hadrosaurian dinosaurs" 1918:"A New Species of Small Dinosaur Reported Found by Yale Curator" 297:
appeared in 1976. Ostrom lived to see the eventual discovery of
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Lucas, Frederic A. (1904). "The dinosaur Trachodon annectens".
2550:"Terrestrial vertebrates as indicators of Mesozoic climates". 2340:
Predatory dinosaurs of the world: a complete illustrated guide
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Dinosaurs and Other Extinct Saurians: A Historical Perspective
781:. It is the first representative of the basal avialian clade 2552:
Proceedings of the North American Paleontological Convention
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dinosaurs. The first of Ostrom's broad-based reviews of the
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10.1666/0094-8373(2006)032[0109:NCHACC]2.0.CO;2
2093:"Mystery Solved: Bones found in Bridge – GeologyWriter.com" 1723:"John H. Ostrom, Influential Paleontologist, Is Dead at 77" 671:
in 1969, Ostrom spoke out against the accepted wisdom that
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the following year. In 1961 he accepted a professorship at
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that was based on the skull collection housed at the AMNH.
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Foth, Christian; Rauhut, Oliver W. M. (2 December 2017).
856:(a new genus named for the Haarlem specimen, formerly of 2984: (archived May 27, 2006). May 1975. John H. Ostrom. 2206:
The Hot-Blooded Dinosaurs: A Revolution in Palaeontology
1692:"Collection: John H. Ostrom Archives | Archives at Yale" 447:
Others sites such as the Charles O. Wolcott Quarry near
1826:. United States: Elsevier Science. pp. xxix–xxx. 2231:"A Four-Legged Megalosaurus and Swimming Brontosaurs" 3052:
Presidents of the Society of Vertebrate Paleontology
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Deaths from Alzheimer's disease in the United States
2458:"Deinonychus Changed Our Understanding of Dinosaurs" 2435:(Second ed.). Oxford: Oxford University Press. 1416:
Havstad, Joyce C; Smith, N Adam (1 September 2019).
215:(February 18, 1928 – July 16, 2005) was an American 550: 191: 181: 154: 142: 118: 108: 86: 61: 32: 1873:John Ostrom | American paleontologist | Britannica 1353:. Geological Society of London. pp. 237–250. 1296:"Influential Paleontologist John Ostrom, 77, Dies" 1146:University of Kansas Paleontological Contributions 1489:"Ornithischian Dinosaurs and the Origin of Birds" 1418:"Fossils with Feathers and Philosophy of Science" 967:Palaeogeography, Palaeoclimatology, Palaeoecology 950:Bulletin of the Peabody Museum of Natural History 820:, Robert Gaston, and Donald Burge named a fossil 388:. He became full professor and curator in 1971. 1178:"The fossil that launched a dinosaur revolution" 2696:Proceedings of the National Academy of Sciences 630:, which based its murderous "Velociraptors" on 219:who revolutionized the modern understanding of 2692:"Paleobiology and the origins of avian flight" 2312:"Dinosaur Footprints Reservation, Holyoke, MA" 804:its formal name (meaning "fast small hunter"). 1617:Rauhut, OWM; Foth, C; Tischlinger, H (2018). 1057:Annual Review of Earth and Planetary Sciences 8: 1340: 1338: 321:. As a pre-medical undergraduate student at 2953:"UNIQUE 'DINO-BIRD' FOSSIL FOUND IN AFRICA" 1949: 1947: 1945: 1943: 1941: 1939: 571:"The Raptor That Made Us Rethink Dinosaurs" 2346:. New York, N.Y. u.a: Simon and Schuster. 1975: 1973: 1889: 1887: 1885: 1883: 1171: 1169: 1167: 40: 29: 2733: 2715: 2624: 2606: 2492: 2424: 2422: 2402: 2392: 2287: 2246: 2208:. Great Britain: Blond & Briggs Ltd. 1782: 1686: 1684: 1682: 1644: 1634: 1612: 1610: 1608: 1504: 1441: 1411: 1409: 1220: 1218: 1216: 1214: 1212: 1210: 1208: 1189: 1101:Biological Journal of the Linnean Society 931: 2870:Makovicky, Peter J.; Sues, Hans-Dieter. 1822:Curie, Philip J.; Padian, Kevin (1997). 1250: 1248: 223:. Ostrom's work inspired what his pupil 2584: 2582: 2580: 1591:(6.print. ed.). New York: Morrow. 1163: 1094:"Archaeopteryx and the origin of birds" 698:. Ostrom's reappraisal of dinosaurs as 2988:, volume 11, number 1, pages 15 to 23. 2876:. American Museum of Natural History. 2199: 2197: 2195: 2193: 2091:Williams, David B. (August 19, 2010). 1716: 1714: 1712: 1120:Ostrom, J. H.; Wellnhofer, P. (1986). 661:their still larger predators, such as 547: 372:in 1955 before joining the faculty at 2138:Smithsonian Miscellaneous Collections 2117:Maugh, II, Thomas H. (21 July 2005). 2061: 2059: 2057: 7: 2432:Dinosaurs: a very short introduction 1721:Wilford, John Noble (21 July 2005). 1176:Stoddart, Charlotte (13 June 2023). 645:", a term coined in a 1975 issue of 317:on February 18, 1928 and grew up in 3017:Deaths from dementia in Connecticut 1255:Bakker, Robert T. (April 1, 1975). 1077:10.1146/annurev.ea.03.050175.000415 263:in the 1860s, but was dismissed by 2895:Abdale, Jason R. (July 20, 2021). 2481:Canadian Journal of Earth Sciences 2068:"Dinosaur Expert John Ostrom Dies" 1986:Journal of Vertebrate Paleontology 1506:10.1111/j.1558-5646.1970.tb01775.x 1182:Knowable Magazine | Annual Reviews 1113:10.1111/j.1095-8312.1976.tb00244.x 785:to be found outside eastern Asia. 757:, previously known as the Haarlem 351:American Museum of Natural History 25: 2035:Carlson, Barbara (23 July 2005). 1281:10.1038/scientificamerican0475-58 1227:"The man who saved the dinosaurs" 963:"Were some dinosaurs gregarious?" 641:is credited with triggering the " 459:in July 2005 at the age of 77 in 386:Peabody Museum of Natural History 2914:Abdale, Jason R. (1 July 2022). 2690:Ruben, John (16 February 2010). 2475:Currie, Philip J. (March 2023). 1294:Siegel, Robert (July 21, 2005). 565: 556: 244:(or "saurians"). He argued that 234:Beginning with the discovery of 159:Hayden Memorial Geological Award 3037:Union College (New York) alumni 2851:Manning, Adam (20 March 2020). 2066:Schudel, Matt (July 22, 2005). 961:Ostrom, John H. (1 June 1972). 694:by the Canadian paleontologist 526:Dinosaur Footprints Reservation 520:In the 1970s, Ostrom examined 413:. He also discovered and named 2648:Ostrom, John (March 9, 1973). 2006:10.1080/02724634.1990.10011815 1980:Forster, Catherine A. (1990). 1487:Galton, Peter M. (June 1970). 1015:Ostrom, John (March 9, 1973). 403:. Late in 1964, he discovered 368:Ostrom taught for one year at 52:skeleton cast. Photo courtesy 1: 3027:Scientists from New York City 2933:Black, Riley (June 2, 2020). 1092:Ostrom, John H. (June 1976). 337:from Union College in 1951. 2524:Badwan, Bara (3 June 2019). 2456:Badwan, Bara (3 June 2019). 2394:10.1371/journal.pone.0063115 1765:Dodson, Peter (April 2020). 1740:Gates, Alexander E. (2003). 1051:Ostrom, John H. (May 1975). 987:10.1016/0031-0182(72)90049-1 503:and drawing comparisons via 255:instead of their own class, 2204:Desmond, Adrian J. (1975). 1966:(1). National Park Service. 1380:Archives of Natural History 1349:. In Moody, Richard (ed.). 1300:NPR / All Things Considered 912:American Journal of Science 433:American Journal of Science 344:as a graduate student with 3068: 3032:Columbia University alumni 2289:10.3390/geosciences7010013 1742:A to Z of Earth Scientists 1673:BBC - Science & Nature 1669:"Dinosaurs in Your Garden" 1582:Bakker, Robert T. (1986). 1374:Ries, C. J. (April 2007). 1345:Wellnhofer, Peter (2010). 1325:Yale Bulletin and Calendar 1321:"In Memoriam: John Ostrom" 813:(meaning "tendon lizard"). 798:In 1970, John Ostrom gave 483:Skeleton of the hadrosaur 442:National Natural Landmarks 2796:Norberg, Ulla M. (1985). 2608:10.1186/s12862-017-1076-y 2337:Paul, Gregory S. (1988). 1894:Maxwell, Desmond (2000). 1824:Encyclopedia of Dinosaurs 1225:Conniff, Richard (2014). 1191:10.1146/knowable-060923-1 1004:Proc K Ned Akad van Wet B 862:) was named in his honor. 823:Utahraptor ostrommaysorum 793:Scientific classification 564: 555: 409:fossils near the town of 401:Yellowstone National Park 206: 174: 39: 3047:Brooklyn College faculty 3022:American paleontologists 2920:DINOSAURS AND BARBARIANS 2901:DINOSAURS AND BARBARIANS 2595:BMC Evolutionary Biology 2155:Evans, David C. (2006). 2037:"Bringing shale to life" 1900:Natural History Magazine 941:Ostrom, John H. (1969). 906:Ostrom, John H. (1964). 713:and the origin of flight 331:The Meaning of Evolution 309:Early life and education 267:in his influential book 2916:"Utahraptor: A History" 2802:The American Naturalist 2717:10.1073/pnas.0915099107 2650:"The Ancestry of Birds" 2248:10.15385/jch.2018.2.2.5 2229:Oldham, Jordan (2018). 1954:Orlowski, Jeff (2020). 1536:Cracraft, Joel (1977). 1392:10.3366/anh.2007.34.1.1 1017:"The Ancestry of Birds" 807:Also in 1970, he named 731:, it languished in the 606:and were in some cases 461:Litchfield, Connecticut 449:Manchester, Connecticut 425:Rocky Hill, Connecticut 382:vertebrate paleontology 27:American paleontologist 3042:Beloit College faculty 2494:10.1139/cjes-2022-0131 2429:Norman, David (2017). 1960:Park Paleontology News 1257:"Dinosaur Renaissance" 873:Ostrom, J. H. (1961). 810:Tenontosaurus tilletti 761: 530:Holyoke, Massachusetts 505:comparative morphology 499:apparatuses of modern 492: 399:, in Wyoming, east of 327:George Gaylord Simpson 291:of the primitive bird 1849:"OSTROM, DR. JOHN H." 1771:The Anatomical Record 1472:Heilmann, G. (1926). 1434:10.1093/sysbio/syz010 1331:(1). August 26, 2005. 1053:"The Origin of Birds" 933:10.2475/ajs.262.8.975 867:Selected publications 753: 482: 438:National Park Service 2939:Smithsonian Magazine 1231:Yale Alumni Magazine 882:Bulletin of the AMNH 669:Chicago Field Museum 643:dinosaur renaissance 229:dinosaur renaissance 148:Dinosaur renaissance 2708:2010PNAS..107.2733R 2385:2013PLoSO...863115P 2280:2017Geosc...7...13G 2072:The Washington Post 1998:1990JVPal..10..273F 1847:Courant, Hartford. 1542:The Wilson Bulletin 1476:. London: Witherby. 1474:The origin of birds 1273:1975SciAm.232d..58B 1261:Scientific American 1069:1975AREPS...3...55O 979:1972PPP....11..287O 924:1964AmJS..262..975O 704:dinosaur physiology 648:Scientific American 457:Alzheimer's disease 421:Dinosaur State Park 342:Columbia University 340:Ostrom enrolled at 313:Ostrom was born in 299:feathered dinosaurs 270:The Origin of Birds 261:Thomas Henry Huxley 166:Romer-Simpson Medal 132:Columbia University 2763:American Zoologist 1922:The New York Times 1727:The New York Times 1675:. 18 October 2002. 1636:10.7717/peerj.4191 1422:Systematic Biology 1233:. No. Jul/Aug 801:Microvenator celer 779:Ostromia crassipes 762: 755:Ostromia crassipes 656:Energy and climate 493: 430:Ostrom edited the 393:Cloverly Formation 213:John Harold Ostrom 2123:Los Angeles Times 1924:. 4 December 1964 1360:978-1-86239-311-0 836:Rahonavis ostromi 831:Catherine Forster 664:Tyrannosaurus rex 637:Ostrom's work on 577: 576: 210: 209: 192:Doctoral students 176:Scientific career 72:February 18, 1928 16:(Redirected from 3059: 2961: 2960: 2959:. 18 March 1998. 2949: 2943: 2942: 2930: 2924: 2923: 2911: 2905: 2904: 2892: 2886: 2885: 2867: 2861: 2860: 2848: 2842: 2841: 2793: 2787: 2786: 2754: 2748: 2747: 2737: 2719: 2702:(7): 2733–2734. 2687: 2681: 2680: 2669:10.1038/242136a0 2654: 2645: 2639: 2638: 2628: 2610: 2586: 2575: 2574: 2562: 2556: 2555: 2554:: 347–376. 1969. 2547: 2541: 2540: 2538: 2536: 2521: 2515: 2514: 2496: 2472: 2466: 2465: 2453: 2447: 2446: 2426: 2417: 2416: 2406: 2396: 2364: 2358: 2357: 2345: 2334: 2328: 2327: 2325: 2323: 2308: 2302: 2301: 2291: 2259: 2253: 2252: 2250: 2226: 2220: 2219: 2201: 2188: 2187: 2161: 2152: 2146: 2145: 2133: 2127: 2126: 2114: 2108: 2107: 2105: 2103: 2088: 2082: 2081: 2079: 2078: 2063: 2052: 2051: 2049: 2047: 2041:Hartford Courant 2032: 2026: 2025: 1977: 1968: 1967: 1951: 1934: 1933: 1931: 1929: 1914: 1908: 1907: 1891: 1878: 1877: 1868: 1862: 1861: 1859: 1858: 1844: 1838: 1837: 1819: 1813: 1812: 1786: 1784:10.1002/ar.24375 1762: 1756: 1755: 1737: 1731: 1730: 1718: 1707: 1706: 1704: 1702: 1688: 1677: 1676: 1665: 1659: 1658: 1648: 1638: 1614: 1603: 1602: 1590: 1579: 1573: 1572: 1570: 1568: 1533: 1527: 1526: 1508: 1484: 1478: 1477: 1469: 1463: 1462: 1460: 1458: 1445: 1413: 1404: 1403: 1371: 1365: 1364: 1342: 1333: 1332: 1317: 1311: 1310: 1308: 1306: 1291: 1285: 1284: 1252: 1243: 1242: 1240: 1238: 1222: 1203: 1202: 1200: 1198: 1193: 1173: 1153: 1136: 1126: 1116: 1098: 1088: 1047: 1036:10.1038/242136a0 1021: 1011: 998: 957: 947: 937: 935: 902: 889: 879: 612:Robert T. Bakker 569: 568: 560: 548: 411:Bridger, Montana 370:Brooklyn College 301:in northeastern 265:Gerhard Heilmann 225:Robert T. Bakker 196:Robert T. Bakker 170: 163: 93: 71: 69: 46:John Ostrom and 44: 30: 21: 3067: 3066: 3062: 3061: 3060: 3058: 3057: 3056: 2992: 2991: 2982:Wayback Machine 2970: 2965: 2964: 2957:Chicago Tribune 2951: 2950: 2946: 2932: 2931: 2927: 2913: 2912: 2908: 2894: 2893: 2889: 2869: 2868: 2864: 2850: 2849: 2845: 2795: 2794: 2790: 2756: 2755: 2751: 2689: 2688: 2684: 2652: 2647: 2646: 2642: 2588: 2587: 2578: 2564: 2563: 2559: 2549: 2548: 2544: 2534: 2532: 2523: 2522: 2518: 2474: 2473: 2469: 2455: 2454: 2450: 2443: 2428: 2427: 2420: 2366: 2365: 2361: 2354: 2343: 2336: 2335: 2331: 2321: 2319: 2316:Allosaurus Roar 2310: 2309: 2305: 2261: 2260: 2256: 2228: 2227: 2223: 2216: 2203: 2202: 2191: 2159: 2154: 2153: 2149: 2135: 2134: 2130: 2116: 2115: 2111: 2101: 2099: 2090: 2089: 2085: 2076: 2074: 2065: 2064: 2055: 2045: 2043: 2034: 2033: 2029: 1979: 1978: 1971: 1953: 1952: 1937: 1927: 1925: 1916: 1915: 1911: 1893: 1892: 1881: 1870: 1869: 1865: 1856: 1854: 1846: 1845: 1841: 1834: 1821: 1820: 1816: 1764: 1763: 1759: 1752: 1739: 1738: 1734: 1720: 1719: 1710: 1700: 1698: 1690: 1689: 1680: 1667: 1666: 1662: 1616: 1615: 1606: 1599: 1588: 1581: 1580: 1576: 1566: 1564: 1535: 1534: 1530: 1486: 1485: 1481: 1471: 1470: 1466: 1456: 1454: 1415: 1414: 1407: 1373: 1372: 1368: 1361: 1344: 1343: 1336: 1319: 1318: 1314: 1304: 1302: 1293: 1292: 1288: 1254: 1253: 1246: 1236: 1234: 1224: 1223: 1206: 1196: 1194: 1175: 1174: 1165: 1160: 1139: 1124: 1119: 1096: 1091: 1050: 1019: 1014: 1001: 960: 945: 940: 905: 892: 877: 872: 869: 833:named a fossil 795: 783:Anchiornithidae 715: 658: 566: 551:External videos 546: 477: 469: 467:Key discoveries 378:Yale University 366: 311: 202: 198: 168: 164: 161: 130: 119:Alma mater 104: 95: 91: 82: 73: 67: 65: 57: 54:Yale University 35: 28: 23: 22: 15: 12: 11: 5: 3065: 3063: 3055: 3054: 3049: 3044: 3039: 3034: 3029: 3024: 3019: 3014: 3009: 3004: 2994: 2993: 2990: 2989: 2969: 2966: 2963: 2962: 2944: 2925: 2906: 2897:"Microvenator" 2887: 2862: 2843: 2814:10.1086/284419 2808:(3): 303–327. 2788: 2769:(4): 676–686. 2749: 2682: 2640: 2576: 2567:Canad. Geog. 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Ostrom 14: 13: 10: 9: 6: 4: 3: 2: 3064: 3053: 3050: 3048: 3045: 3043: 3040: 3038: 3035: 3033: 3030: 3028: 3025: 3023: 3020: 3018: 3015: 3013: 3010: 3008: 3005: 3003: 3000: 2999: 2997: 2987: 2983: 2979: 2977: 2976:Archaeopteryx 2972: 2971: 2967: 2958: 2954: 2948: 2945: 2940: 2936: 2929: 2926: 2921: 2917: 2910: 2907: 2902: 2898: 2891: 2888: 2883: 2879: 2875: 2874: 2866: 2863: 2858: 2857:Darwin's Door 2854: 2847: 2844: 2839: 2835: 2831: 2827: 2823: 2819: 2815: 2811: 2807: 2803: 2799: 2792: 2789: 2784: 2780: 2776: 2772: 2768: 2764: 2760: 2753: 2750: 2745: 2741: 2736: 2731: 2727: 2723: 2718: 2713: 2709: 2705: 2701: 2697: 2693: 2686: 2683: 2678: 2674: 2670: 2666: 2663:(5393): 136. 2662: 2658: 2651: 2644: 2641: 2636: 2632: 2627: 2622: 2618: 2614: 2609: 2604: 2600: 2596: 2592: 2585: 2583: 2581: 2577: 2572: 2568: 2561: 2558: 2553: 2546: 2543: 2531: 2527: 2520: 2517: 2512: 2508: 2504: 2500: 2495: 2490: 2486: 2482: 2478: 2471: 2468: 2463: 2459: 2452: 2449: 2444: 2442:9780198795926 2438: 2434: 2433: 2425: 2423: 2419: 2414: 2410: 2405: 2400: 2395: 2390: 2386: 2382: 2379:(5): e63115. 2378: 2374: 2370: 2363: 2360: 2355: 2349: 2342: 2341: 2333: 2330: 2318:. 7 July 2017 2317: 2313: 2307: 2304: 2299: 2295: 2290: 2285: 2281: 2277: 2273: 2269: 2265: 2258: 2255: 2249: 2244: 2240: 2236: 2232: 2225: 2222: 2217: 2211: 2207: 2200: 2198: 2196: 2194: 2190: 2185: 2181: 2177: 2173: 2169: 2165: 2158: 2151: 2148: 2143: 2139: 2132: 2129: 2124: 2120: 2113: 2110: 2098: 2094: 2087: 2084: 2073: 2069: 2062: 2060: 2058: 2054: 2042: 2038: 2031: 2028: 2023: 2019: 2015: 2011: 2007: 2003: 1999: 1995: 1991: 1987: 1983: 1976: 1974: 1970: 1965: 1961: 1957: 1950: 1948: 1946: 1944: 1942: 1940: 1936: 1923: 1919: 1913: 1910: 1905: 1901: 1897: 1890: 1888: 1886: 1884: 1880: 1875: 1874: 1867: 1864: 1853: 1850: 1843: 1840: 1835: 1833:9780080494746 1829: 1825: 1818: 1815: 1810: 1806: 1802: 1798: 1794: 1790: 1785: 1780: 1776: 1772: 1768: 1761: 1758: 1753: 1751:0-8160-4580-1 1747: 1743: 1736: 1733: 1728: 1724: 1717: 1715: 1713: 1709: 1697: 1696:Yale Archives 1693: 1687: 1685: 1683: 1679: 1674: 1670: 1664: 1661: 1656: 1652: 1647: 1642: 1637: 1632: 1628: 1624: 1620: 1613: 1611: 1609: 1605: 1600: 1598:0-688-04287-2 1594: 1587: 1586: 1578: 1575: 1563: 1559: 1555: 1551: 1547: 1543: 1539: 1532: 1529: 1524: 1520: 1516: 1512: 1507: 1502: 1498: 1494: 1490: 1483: 1480: 1475: 1468: 1465: 1453: 1449: 1444: 1439: 1435: 1431: 1427: 1423: 1419: 1412: 1410: 1406: 1401: 1397: 1393: 1389: 1385: 1381: 1377: 1370: 1367: 1362: 1356: 1352: 1348: 1341: 1339: 1335: 1330: 1326: 1322: 1316: 1313: 1301: 1297: 1290: 1287: 1282: 1278: 1274: 1270: 1266: 1262: 1258: 1251: 1249: 1245: 1232: 1228: 1221: 1219: 1217: 1215: 1213: 1211: 1209: 1205: 1192: 1187: 1183: 1179: 1172: 1170: 1168: 1164: 1157: 1151: 1147: 1143: 1138: 1134: 1130: 1123: 1118: 1114: 1110: 1107:(2): 91–182. 1106: 1102: 1095: 1090: 1086: 1082: 1078: 1074: 1070: 1066: 1062: 1058: 1054: 1049: 1045: 1041: 1037: 1033: 1030:(5393): 136. 1029: 1025: 1018: 1013: 1009: 1005: 1000: 996: 992: 988: 984: 980: 976: 972: 968: 964: 959: 955: 951: 944: 939: 934: 929: 925: 921: 917: 913: 909: 904: 900: 896: 891: 887: 883: 876: 871: 870: 866: 861: 860: 859:Archaeopteryx 855: 854: 849: 846: 845:Archaeopteryx 842: 838: 837: 832: 828: 825: 824: 819: 815: 812: 811: 806: 803: 802: 797: 796: 792: 790: 786: 784: 780: 776: 775: 770: 769:Archaeopteryx 767: 760: 759:Archaeopteryx 756: 752: 748: 746: 745:Archaeopteryx 742: 738: 734: 730: 728: 727:Pterodactylus 723: 722:Archaeopteryx 720: 712: 711:Archaeopteryx 709: 707: 705: 701: 697: 693: 692:Arctic Circle 689: 685: 680: 678: 674: 670: 666: 665: 655: 653: 650: 649: 644: 640: 635: 633: 629: 628:Jurassic Park 624: 620: 615: 613: 609: 605: 600: 595: 591: 589: 588: 583: 572: 563: 559: 554: 549: 544: 541: 539: 537: 536: 531: 527: 523: 518: 516: 515: 508: 506: 502: 498: 490: 486: 481: 474: 472: 466: 464: 462: 458: 453: 450: 445: 443: 439: 435: 434: 428: 426: 422: 418: 417: 416:Tenontosaurus 412: 408: 407: 402: 398: 394: 389: 387: 383: 379: 375: 371: 363: 361: 358: 356: 352: 347: 343: 338: 336: 332: 328: 324: 323:Union College 320: 316: 308: 306: 304: 300: 296: 295: 294:Archaeopteryx 290: 286: 282: 279: 274: 272: 271: 266: 262: 258: 254: 249: 247: 243: 239: 238: 232: 230: 226: 222: 218: 214: 205: 201: 197: 194: 190: 187: 184: 180: 177: 173: 167: 160: 157: 153: 149: 145: 141: 137: 133: 128: 124: 123:Union College 121: 117: 114: 111: 107: 103: 99: 90:July 16, 2005 89: 85: 81: 77: 76:New York City 64: 60: 55: 51: 50: 43: 38: 31: 19: 2985: 2975: 2956: 2947: 2938: 2928: 2919: 2909: 2900: 2890: 2872: 2865: 2856: 2846: 2805: 2801: 2791: 2766: 2762: 2752: 2699: 2695: 2685: 2660: 2656: 2643: 2598: 2594: 2570: 2566: 2560: 2551: 2545: 2533:. 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New York. 1386:(1): 1–19. 841:Deinonychus 737:Netherlands 700:endothermic 677:metabolisms 639:Deinonychus 632:Deinonychus 623:Deinonychus 594:Deinonychus 587:Deinonychus 543:Deinonychus 535:Hadrosaurus 514:Anatosaurus 485:Anatosaurus 406:Deinonychus 346:Ned Colbert 319:Schenectady 246:Deinonychus 237:Deinonychus 109:Nationality 102:Connecticut 49:Deinonychus 34:John Ostrom 2996:Categories 2601:(1): 236. 2573:(1): 4–11. 2144:: 317–320. 2077:2019-08-02 1857:2019-08-02 1158:References 1135:: 111–158. 1129:Zitteliana 1010:: 289–305. 688:Cretaceous 604:metabolism 475:Hadrosaurs 355:hadrosaurs 98:Litchfield 68:1928-02-18 2986:Discovery 2882:2246/3239 2822:0003-0147 2775:0003-1569 2726:0027-8424 2617:1471-2148 2511:257133273 2503:0008-4077 2298:2076-3263 2274:(1): 13. 2184:0094-8373 2014:0272-4634 1809:211013829 1793:1932-8486 1629:: e4191. 1554:0043-5643 1493:Evolution 1400:0260-9541 1267:(4): 58. 1085:0084-6597 995:0031-0182 850:In 2017, 829:In 1998, 816:In 1993, 729:crassipes 690:Canadian 522:trackways 497:olfactory 289:phylogeny 285:osteology 221:dinosaurs 2838:85306259 2744:20145106 2677:29873831 2635:29197327 2530:YaleNews 2413:23690987 2373:PLOS ONE 2235:Channels 1801:32009298 1655:29383285 1515:28565073 1452:30753719 1044:29873831 895:Postilla 853:Ostromia 774:Ostromia 673:Mesozoic 582:theropod 501:reptiles 329:'s book 315:New York 281:theropod 253:Reptilia 113:American 80:New York 2980:at the 2968:Sources 2830:2461357 2783:3884286 2735:2840315 2704:Bibcode 2626:5712154 2535:21 June 2404:3655181 2381:Bibcode 2322:21 June 2276:Bibcode 2102:20 June 2046:20 June 2022:4523326 1994:Bibcode 1928:20 June 1701:21 June 1646:5788062 1567:21 June 1562:4160962 1523:5512265 1457:21 June 1443:6701454 1305:20 June 1269:Bibcode 1237:20 June 1197:20 June 1152:: 1–14. 1065:Bibcode 975:Bibcode 920:Bibcode 901:: 1–29. 766:Haarlem 735:in the 719:Haarlem 524:at the 384:at the 335:geology 242:lizards 2836:  2828:  2820:  2781:  2773:  2742:  2732:  2724:  2675:  2657:Nature 2633:  2623:  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Index

John H. Ostrom

Deinonychus
Yale University
New York City
New York
Litchfield
Connecticut
American
Union College
BS
Columbia University
PhD
Dinosaur renaissance
Hayden Memorial Geological Award
Romer-Simpson Medal
Paleontology
Robert T. Bakker
Thomas Holtz
paleontologist
dinosaurs
Robert T. Bakker
dinosaur renaissance
Deinonychus
lizards
Reptilia
Aves
Thomas Henry Huxley
Gerhard Heilmann
The Origin of Birds

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