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List of lost dinosaur specimens

From Wikipedia, the free encyclopedia

This list of lost, damaged, or destroyed dinosaur specimens enumerates those fossil dinosaur specimens that have been discovered only to be lost or damaged after initial documentation. Some of these specimens which had gone missing were later recovered as well.

Uncollected specimens

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Nickname Taxon Age Unit Country Notes Images

Nose Mountain theropod track

Tyrannosauridae

Maastrichtian

Wapiti Formation

Canada

Single highly pathological tyrannosaur footprint that was buried under a landslide before it could be collected

Destroyed specimens

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Nickname Catalogue Number Institution Taxon Age Unit Country Notes Images
1912VIII61

Aegyptosaurus[1]

Upper Cretaceous

Bahariya Formation

Egypt

Destroyed in Germany during World War II when the bombing of the museum it was held in took place.

Holotype remains

IPHG 1922 X 47, X 48

Bahariasaurus[2]

Upper Cretaceous

Bahariya Formation

Egypt

Destroyed in World War II

Vertebra

IPHG 1922 X46

Carcharodontosaurus[2]

Upper Cretaceous

Algeria

Destroyed in World War II. Used by Ernst Stromer to erect Carcharodontosaurus for "Megalosaurus" saharicus.[3]

Skull of the lost specimen
MNHN 2001-4

Erectopus[1]

Lower Cretaceous

France

Destroyed in World War II

Holotype remains

Kentrosaurus[1]

Upper Jurassic

Tanzania

Most specimens, although not all, were destroyed when the German museum that they were in was bombed in World War II.

Podokesaurus[1]

Lower Jurassic

United States

The original specimen was destroyed in a museum fire.

Type specimen

Poekilopleuron[1]

Middle Jurassic

France

Destroyed in World War II

Cast of the lost gastralia

BSP 1912 VIII 19

Spinosaurus[1]

Lower and Upper Cretaceous

Bahariya Formation

Egypt

Destroyed in Germany during World War II when the bombing of the museum it was held in took place. More material has been discovered since.

Illustration of the destroyed specimen

Lost specimens

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Nickname Catalogue Number Institution Taxon Age Unit Country Notes Images

Specimen 9[4]

None

Corythosaurus[4]

Canada

Excavation of one of the lost Corythosaurus specimens

Specimen 13[4]

None

Corythosaurus[4]

Canada

Cardiodon type specimen

Cardiodon

Middle Jurassic

Forest Marble Formation

United Kingdom

Holotype tooth

Type specimen of Amphicoelias fragillimus

AMNH 5777[5]

American Museum of Natural History

Amphicoelias fragillimus[5]

Late Jurassic[5]

Morrison Formation[5]

United States

Named as the holotype of Amphicoelias fragillimus by Edward Drinker Cope and then subsequently lost. It is possible that Cope himself or someone else disposed of it, or that it crumbled because of inadequate preservation methods.[5]

Only illustration of the vertebra

Companion tracks of MGUH 27219

N/A

Geological Museum of Copenhagen

Thyreophora

Rhaetian

Hoganas Formation

Sweden

Cast of the collected track

Damaged specimens

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Recovered specimens

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Nickname Catalogue Number Institution Taxon Age Unit Country Notes Images

Holotype of Aepisaurus elephantinus

Aepisaurus

Middle Cretaceous (Albian)

 France

Named as holotype of Aepisaurus elephantinus. Rediscovered in 2006[6]

Cast of the humerus

Footnotes

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  1. ^ a b c d e f Holtz, Thomas R. Jr. (2008) Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages Supplementary Information
  2. ^ a b Rauhut, (1995). "Zur systematischen Stellung der afrikanischen Theropoden Carcharodontosaurus Stromer 1931 und Bahariasaurus Stromer 1934." Berliner geowissenschaftliche Abhandlungen, E16 (Gundolf-Ernst-Festschrift): 357-375.
  3. ^ Stromer, 1931. Ergebnisse der Forschungsreisen Prof. E. Stromers in den Wüsten Ägyptens. II. Wirbeltier-Reste der Baharîjestufe (unterstes Cenoman). 10. Ein Skelett-Rest von Carcharodontosaurus nov. gen. Abhandlungen der Bayerischen Akademie der Wissenschaften Mathematisch-naturwissenschaftliche Abteilung, Neue Folge. 9, 1-23
  4. ^ a b c d Spalding (2001); "The Lost Specimens," page 499.
  5. ^ a b c d e Carpenter, K. (2006); in passim.
  6. ^ Tortosa T, Buffetaut E. 2007. Rediscovery and redescription of the holotype of Aepysaurus elephantinus Gervais 1848–1852 (Dino-sauria-Sauropoda). In : J Le Loeuff, ed. 5th Meeting of the European Association of Vertebrate Palaeontologists, 12th European Workshop of Vertebrate Palaeontology, Carcassonne-Espéraza, May 15–19, 2007, Abstract volume, 64 (PDF) New historical data on the first dinosaurs found in France. Available from: https://www.researchgate.net/publication/323538475_New_historical_data_on_the_first_dinosaurs_found_in_France [accessed Sep 03 2018].

References

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  • Carpenter, K. (2006). "Biggest of the big: a critical re-evaluation of the mega-sauropod Amphicoelias fragillimus." In Foster, J.R. and Lucas, S.G., eds., 2006, Paleontology and Geology of the Upper Jurassic Morrison Formation. New Mexico Museum of Natural History and Science Bulletin 36: 131–138.
  • Spalding, D. A., 2001, Bones of contention: Charles H. Sternberg's lost world: In: Mesozoic Vertebrate Life, edited by Tanke, D. H., and Carpenter, K., Indiana University Press, pp. 481–503.