Dinosaur fossils & 3D skeletons › Deinocheirus
Deinocheirus Fossil & 3D Skeleton
Deinocheirus mirificus
- Age
- Cretaceous, about 69.1 million years ago
- Found in
- Mongolia
- Length
- 9.7 m
- Height
- 5.2 m
- Estimated mass
- about 7.3 t
- Group
- Ostrich dinosaur relative
How this 3D skeleton was made
This 3D model is a reconstruction. Most bone shapes (177 of 250) are borrowed from close relatives and fitted to this species' size and body proportions. The bone shapes are not the actual shapes of this species' fossils. 42 bones were shaped from photos or figures of this species' own fossils. 31 are estimated.
From this species 42Borrowed from relatives 177Estimated 31
Bones known from fossils
224 of 250 bones are known from fossils. 26 are missing and filled in.
Known 224Filled in 26No record 0
Tap a bone on the 3D page to see where each bone shape came from.
Sources
- 3D Skeleton: Borrowed bone shapes from the template "Struthiomimus" (T8). Because direct body part measurements are missing for this species, size was determined from the 1320 mm femur of specimen ZPAL MgD-I/6 in Benson et al. (2018); the shin and humerus were matched to bone lengths of that same specimen, while proportions of other body parts remain as in the template. Individual bone shapes belong to the template species, not this one. Source of template skeleton: 3D Skeleton: Created on this site. Limbs, pelvis, and skull shapes were traced from line drawings of AMNH 5339 in Osborn 1917 (Memoirs of the AMNH Vol. 35, public domain), and lengths were matched to the measurement table in that paper (femur 480 mm, tibia 540 mm, metatarsal 370 mm, etc.). Because vertebrae overlapped in the line drawing and could not be isolated, vertebral shapes derived from Buitreraptor photos (Gianechini et al. 2018, CC B Pose (2026-09-30): Bone orientations were directly read pixel-by-pixel from Figure 1H (full skeletal diagram of Gnathovorax, walking posture) of Pacheco et al. 2019 PeerJ (CC BY) (front-stepping leg: thigh 50° forward, shin 46° backward, metatarsus 24° forward; back-stepping leg: thigh 12° backward, shin 67° backward, metatarsus 16° forward; arm: humerus 40° backward, forearm 66° forward). Since only one arm was drawn in the figure, the far arm was swung slightly forward (estimated). Ground heights of both soles were aligned by adjusting the angle of the rear leg's shin (and metatarsus if needed). Lateral turning of the neck and bending of the tail are estimated (the source figure is only in side view). Rather than a walking diagram of this species itself, bone angles were taken from a relative that walked the same way. The neck was turned slightly sideways, and the tail was curved laterally (deflection amounts are estimated; the diagram was lateral-only).
- Known bones: Per-species bone table from Cashmore, Butler & Maidment (2021) (Zenodo 5029952, CC0). Because vertebrae are recorded as "at least one found" per section (neck, back, hips, and tail), bones within each section share the same color.
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