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This article is about the dinosaur fossil in Pittsburgh. For its replica in London, see Dippy (London). For the statue in Pittsburgh, see Dippy (statue).

Dippy
Catalog no.CM 84
Common nameDippy
SpeciesDiplodocus carnegii
Age145–156 Ma[1]
Place discoveredSheep Creek Quarry D, near Medicine Bow, Wyoming; upper 10 m (33 ft) of the Talking Rock facies of the Brushy Basin Member of the Morrison Formation
Date discoveredJuly 4, 1899
Discovered byWilliam Harlow Reed

Dippy is a composite Diplodocus skeleton in Pittsburgh's Carnegie Museum of Natural History, and the holotype of the species Diplodocus carnegii. It is considered the most famous single dinosaur skeleton in the world, due to the numerous plaster casts donated by Andrew Carnegie to several major museums around the world at the beginning of the 20th century.[2][3]

The casting and distribution of the skeleton made the word dinosaur a household word;[4] for millions of people it became the first dinosaur they had ever seen.[5] It was also responsible for the subsequent popularity of the entire genus Diplodocus, since the skeleton has been on display in more places than any other sauropod dinosaur.[6]

Its discovery was catalyzed by the announcement of the excavation of a large thigh bone (unrelated to Dippy) by William Harlow Reed near Medicine Bow, Wyoming in December 1898.[7] On a return trip financed by Carnegie, Reed excavated Sheep Creek Quarry D in which he found the first part of Dippy's skeleton, a toe bone, on July 4, 1899.[8] Its discovery on Independence Day, and its use in American diplomacy via Carnegie's international donations of replicas, led to its being nicknamed the "star-spangled dinosaur".[9] Dippy became the centrepiece of the Carnegie Museum of Natural History, such that the museum became known as "the house that Dippy built".[4][10]

In 2016, a petition to the International Commission on Zoological Nomenclature was being considered which proposed to make Diplodocus carnegii the new type species of Diplodocus.[11] The proposal was rejected in 2018, and D. longus has been maintained as the type species.[11][12]

Discovery

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Discovery of a large thigh bone, announced in the New York Journal and Advertiser on December 11, 1898. It was this article which first caught Carnegie's attention; in the margin of his copy he wrote to William Holland: “can you buy this for Pittsburgh?” The fanciful pictures were scaled up versions of Marsh's 1883 drawing of Brontosaurus.[13]

The skeleton was found in the upper 10 metres (33 ft) of the Talking Rock facies of the Brushy Basin Member of the Morrison Formation, in Albany County, Wyoming.[14]

In 1900, John Bell Hatcher was hired by William Jacob Holland as curator of paleontology and osteology for the Carnegie Museum of Natural History, succeeding Jacob Lawson Wortman.[7] Hatcher supervised the field expeditions, excavations, investigation and display of Dippy, and named the species for Carnegie.[7] Hatcher's monograph on the find was published in 1901 as Diplodocus Marsh: Its Osteology, Taxonomy, and Probable Habits, with a Restoration of the Skeleton.[7]

It is a composite skeleton comprising:[15]

  • CM 84: the majority of the skeleton, named Diplodocus carnegii, and published in 1901 by Hatcher
  • CM 94: supplemented missing bones
  • CM 307: the tail
  • CM 662 and USNM 2673: skull elements. In 2015, the USNM skull was recategorized as Galeamopus, along with several other Diplodocus skulls, leaving no definite Diplodocus skulls known.[16]
  • some foot and limb bones of a Camarasaurus

Pittsburgh display

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Dippy on display at the Carnegie Museum of Natural History

The original skeleton has been on display at the Carnegie Museum of Natural History since April 1907, two years after the first cast was shown. The delay was due to construction work at the Pittsburgh museum, which needed expansion in order to house Dippy.[17] Today, the skeleton is part of the Dinosaurs in Their Time exhibition.[18]

Casts

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Background

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Industrialist Andrew Carnegie financed the acquisition of the skeleton in 1898, as well as the donation of the casts at the beginning of the 20th century.[19][20] His great-grandson, William Thomson, was quoted in 2019 explaining the donations: "By gifting copies to the heads of state of seven other countries as well as the UK, Carnegie hoped to demonstrate through mutual interest in scientific discoveries that nations have more in common than what separates them. He used his gifts in an attempt to open inter state dialogue on preserving world peace – a form of Dinosaur diplomacy."[21]

London cast

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Dippy in the Hintze Hall at the Natural History Museum in 2008
Main article: Dippy (London)

The London cast of Dippy came about when King Edward VII, then a keen trustee of the British Museum, saw a sketch of the bones at Carnegie's Scottish home, Skibo Castle, in 1902, and Carnegie agreed to donate a cast to the Natural History Museum as a gift. Carnegie paid £2,000 for the casting in plaster of paris, copying the original fossil bones held by the Carnegie Museum (not mounted until 1907, as a new museum building was still being constructed to house it).[22] The 292 cast pieces of the skeleton were sent to London in 36 crates, and the 25.6 metres (84 ft) long exhibit was unveiled on May 12, 1905, to great public and media interest, with speeches from the museum director Professor Ray Lankester, Andrew Carnegie, Lord Avebury on behalf of the trustees, the director of the Carnegie Museum William Jacob Holland, and finally the geologist Sir Archibald Geikie. The cast was mounted in the museum's Reptile Gallery to the left of the main hall (until recently the gallery of Human Biology) as it was too large to display in the Fossil Marine Reptile Gallery (to the right of the main hall).[23][24]

Dippy was taken to pieces and stored in the museum's basement during the Second World War to protect it from bomb damage, and reinstalled in the Reptile Gallery after the war. The original presentation of the cast was altered several times to reflect changes in scientific opinion on the animal's stance. The head and neck were originally posed in a downwards position, and were later moved to a more horizontal position in the 1960s.[25]

Dippy was removed from the Reptile Gallery in 1979 and repositioned as the centrepiece of the main central hall of the museum, later renamed the Hintze Hall in recognition of a large donation by Michael Hintze.[25] Dippy replaced a mounted African elephant, nicknamed George, which had been on display as the central exhibit in the main hall since 1907, with various other animal specimens. The elephant had itself replaced the skeleton of a sperm whale which was the first significant exhibit in the hall and had been on display since at least 1895: earlier, the hall had been left largely empty. Dippy was originally displayed alongside a cast of a Triceratops skeleton, which was removed around 1993. The tail of the Diplodocus cast was also lifted to waft over the heads of visitors; originally it drooped to trail along the floor.[26]

The cast became an iconic representation of the museum. After 112 years on display at the museum, the dinosaur replica was removed in early 2017 to be replaced by the 25 m (82 ft) long skeleton of a young blue whale, dubbed "Hope". The work involved in removing Dippy and replacing it with the whale skeleton was documented in a BBC Television special, Horizon: Dippy and the Whale, narrated by David Attenborough, which was first broadcast on BBC Two on July 13, 2017, the day before the whale skeleton was unveiled for public display.[27]

Dippy started a tour of British museums in February 2018, mounted on a new, more mobile armature.[28][29] Dippy is and has been on display at locations around the United Kingdom: Dorset County Museum (February 10 – May 7, 2018),[30] Birmingham Museum and Art Gallery (26 May – September 9, 2018),[31] Ulster Museum (September 17, 2018 – January 6, 2019),[32] Kelvingrove Art Gallery and Museum, the Great North Museum, the National Museum of Wales, Number One Riverside in Rochdale, and Norwich Cathedral.[33]

Other casts

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As director of the Carnegie Museums, William Holland supervised the donations of the casts. His trip to Argentina in 1912 was recorded by Holland in his 1913 travel book To the River Plate and Back. Holland noted a poem which had become popular among college students:[23][34]

Crowned heads of Europe
All make a royal fuss
Over Uncle Andy
And his old diplodocus.

Known casts include:

Date Location Material Description Image
May 12, 1905 Natural History Museum, London Plaster cast The first cast. Removed 2017. Further details at Dippy (London).
May 1908 Museum für Naturkunde, Berlin Plaster cast
June 15, 1908 French National Museum of Natural History, Paris Plaster cast
1909 Natural History Museum in Vienna, Austria Plaster cast
1909 Giovanni Capellini Museum for Paleontology and Geology in Bologna, Italy Plaster cast Skulls from this cast (i.e., 'second-generation') are on display in museums in Milan and Naples.
1910 Zoological Museum of the Russian Academy of Sciences in St. Petersburg, Russia Plaster cast Cast later moved to Moscow Paleontological Museum.[35]
1912 Museo de la Plata in La Plata near Buenos Aires, Argentina Plaster cast The caster was donated to the country via president Saenz Peña and mounted by W. J. Holland
November 1913[36] National Natural History Museum in Madrid, Spain Plaster cast
1930 Museo de Paleontología in Mexico City Plaster cast
1932 Paleontological Museum in Munich, Germany Plaster cast Donated in 1932, but still unmounted.
1989 Utah Field House of Natural History State Park Museum Fibreglass and polyester cast
1999 Carnegie Museum of Natural History (outside) Fibreglass cast Outside the building in which the original skeleton is displayed; further details at Dippy (statue).

Pittsburgh statue

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The statue
Main article: Dippy (statue)

In 1999 a public sculpture of Dippy was unveiled on the grounds of the Carnegie Institute and Library complex in the Oakland neighborhood of Pittsburgh, Pennsylvania, in tribute to the 100th anniversary of the discovery of Dippy. The dark, grayish brown life-size fiberglass model weighs 3,300 pounds (1,500 kg), stands 22 feet (6.7 m), and measures 84 feet (26 m) in length. The sculpture was created during a nine-month process from the original fossil. Sited along Forbes Avenue near Schenley Plaza and the lawn of the University of Pittsburgh's Cathedral of Learning, Dippy stands adjacent to the entrances of the Carnegie Music Hall and the Carnegie Museum of Natural History.[37][38]

In addition to its service as a mascot for the museum, Dippy has been seen sporting the Terrible Towel of the Pittsburgh Steelers and the colors of University of Pittsburgh's athletic teams. Sometimes when it's cold out the staff dresses him up with a gigantic scarf.[39] Dippy is a featured Pittsburgh landmark on Yinztagram.[40]

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See also

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References

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  1. ^ Dippy: this is your life, Natural History Museum, Matthew Prosser, January 1, 2016
  2. ^ Ulrich Merkl 2015, p. 78"Although it narrowly failed to win the race with the New York Museum of Natural History in 1905, the Diplodocus carnegii is the most famous dinosaur skeleton today, due to the large number of casts in museums around the world"
  3. ^ Breithaupt, 2013, p. 49: ""Dippy" was and still is the most widely seen and best-known dinosaur ever found."
  4. ^ a b Moore 2014, p. 117.
  5. ^ Rea 2004, p. 11.
  6. ^ "Diplodocus." In: Dodson, Peter & Britt, Brooks & Carpenter, Kenneth & Forster, Catherine A. & Gillette, David D. & Norell, Mark A. & Olshevsky, George & Parrish, J. Michael & Weishampel, David B. The Age of Dinosaurs. Publications International, Ltd. pp. 58–59. ISBN 0-7853-0443-6.
  7. ^ a b c d Lowell Dingus 2018, pp. 290–291.
  8. ^ Breithaupt, 2013, p. 49
  9. ^ Ulrich Merkl 2015, p. 80.
  10. ^ Krishtalka, Leonard (May 16, 2018). The Bone Field. Gatekeeper Press. pp. 58–. ISBN 978-1-64237-016-4.
  11. ^ a b Tschopp, E.; Mateus, O. (2016). "Diplodocus Marsh, 1878 (Dinosauria, Sauropoda): proposed designation of D. carnegii Hatcher, 1901 as the type species". Bulletin of Zoological Nomenclature. 73 (1): 17–24. doi:10.21805/bzn.v73i1.a22. S2CID 89131617.
  12. ^ ICZN. (2018). "Opinion 2425 (Case 3700) – Diplodocus Marsh, 1878 (Dinosauria, Sauropoda): Diplodocus longus Marsh, 1878 maintained as the type species". Bulletin of Zoological Nomenclature. 75 (1): 285–287. doi:10.21805/bzn.v75.a062. S2CID 92845326.
  13. ^ Breithaupt, 2013, p. 48
  14. ^ Brezinski and Kollar
  15. ^ Breithaupt, 2013, p. 49: "The first (CM 84) would become the type of D. carnegii ("Carnegie's double-beamed reptile") described by Hatcher in 1901. The second (CM 94) supplemented the missing bones of the first. Eventually, the tail (CM 307) and skull elements (CM 662 and USNM 2673) of Diplodocus specimens from other areas were used to complete the skeleton, as well as the foot and limb bones of Camarasaurus."
  16. ^ Tschopp, E.; Mateus, O. V.; Benson, R. B. J. (2015). "A specimen-level phylogenetic analysis and taxonomic revision of Diplodocidae (Dinosauria, Sauropoda)". PeerJ. 3: e857. doi:10.7717/peerj.857. PMC 4393826. PMID 25870766.
  17. ^ Rea 2004, pp. 198–199.
  18. ^ Carnegie NHM, The Two-Headed Dinosaur Archived June 9, 2020, at the Wayback Machine, July 11, 2018
  19. ^ Rea, 2001, pp. 1–11 and 198–216.
  20. ^ Lowell Dingus 2018, p. 410.
  21. ^ Dippy, ‘the UK’s most famous dinosaur’, arrives at Kelvingrove Museum, January 22, 2019
  22. ^ Rea 2004, p. 3, 163–164.
  23. ^ a b Holland, W. J. (1913). To the River Plate and Back. The narrative of a scientific mission to South America, with observations on things seen and suggested. New York & London: G. P. Putnam's Sons.
  24. ^ Rea 2004, p. 10.
  25. ^ a b The Telegraph, The life story of Dippy the dinosaur
  26. ^ Natural History Museum, A history in pictures: the Museum’s Hintze Hall
  27. ^ "Dippy and the Whale". DocuWiki. July 15, 2017.
  28. ^ McVeigh, Tracy (January 1, 2017). "Dippy's last days: diplodocus leaves London after 112 years for farewell UK tour". The Observer.
  29. ^ Fuller, George (January 4, 2017). "Dippy the Diplodocus bids farewell to his public at the Natural History Museum". The Daily Telegraph.
  30. ^ "Dorset County Museum".
  31. ^ "Dippy on Tour: A Natural History Adventure". www.birminghammuseums.org.uk. Archived from the original on May 25, 2018. Retrieved May 25, 2018.
  32. ^ "'Dippy' the Dinosaur begins epic journey to Belfast". Belfasttelegraph.co.uk.
  33. ^ Dinosaur on tour: host venues for Dippy the diplodocus announced , The Guardian, November 15, 2016
  34. ^ Nieuwland, Ilja (2010). The colossal stranger. Andrew Carnegie and Diplodocus intrude European Culture, 1904–1912. Endeavour 34(26).
  35. ^ Rea, 2004, p. 217
  36. ^ Pérez-Garcia, Adán; Sánchez Chillón, B. "Historia de Diplodocus carnegii del MNCN: primer esqueleto de dinosaurio en la Peninsula Iberica". Revista Española de Paleontologiá. 24 (2): 133–148.
  37. ^ Pittsburgh Post Gazette, Hip dinosaur Dippy, Oakland’s trendy dinosaur, June 25, 2014
  38. ^ Bob Batz, Jr. (1999). Dippy the dinosaur sculpture installation: story from the Pittsburgh Post-Gazette Archived June 29, 2011, at the Wayback Machine
  39. ^ "Dippy Sides with the Panthers" (PDF). Pitt Chronicle. Vol. 10, no. 31. University of Pittsburgh. November 16, 2009. p. 2. Retrieved November 16, 2009.
  40. ^ "Yinztagram By Pegula". iTunes Store. Apple Inc. 2012. Archived from the original on August 28, 2012. Retrieved December 13, 2012.

Bibliography

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Editio princeps

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Secondary sources

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Wikimedia Commons has media related to Diplodocus (CM 84).
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