File:Utahraptor size.png

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English: Size diagram comparing three selected specimens of the gigantic North American dromaeosaurid Utahraptor ostrommaysi, to a 1.8 m (5.9 ft) tall human. Largest specimen is BYU 15465 with a femoral length of 60 cm (24 in),[1] next is CEU 184v.260 with a 50.5 cm (19.9 in) long tibia,[2] and finally BYU 7510 1481 with a reported femoral length of about ~33 cm (13 in).[3]

BYU 15465 is about 5 m (16 ft) in length, which successfully agrees with published length estimates for Utahraptor. Main reference of this size chart was the skeletal reconstruction by Dr. Scott Hartman.

References

  1. (2009). "Was Dinosaurian Physiology Inherited by Birds? Reconciling Slow Growth in Archaeopteryx". PLoS ONE 4 (10): e7390. DOI:10.1371/journal.pone.0007390.
  2. (1993). "A large dromaeosaurid (Theropoda) from the Lower Cretaceous of Eastern Utah". Hunteria 2 (10): 1–16.
  3. (2012). "A Review of Dromaeosaurid Systematics and Paravian Phylogeny". Bulletin of the American Museum of Natural History 371 (371): 1–206. DOI:10.1206/748.1.
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Author PaleoNeolitic

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4 November 2019

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Date/TimeThumbnailDimensionsUserComment
current01:20, 23 October 2022Thumbnail for version as of 01:20, 23 October 20226,921 × 3,026 (1.06 MB)PaleoNeoliticComplete rework, actual science.

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