Ceratosaurus Size Comparison
Ceratosaurus 3D Viewer pairs published Late Jurassic figures with a 1.8 m person on screen - length about 5.3-7 m (Size vs human uses 6 m), holotype mass about 0.4-0.7 tonnes - so the nasal-horn theropod scale stays readable at a glance.
Ceratosaurus published figures
The Ceratosaurus facts panel and this table disclose published ranges rather than one invented single number; the Size vs human control uses 6 m as the length scale ratio:
| Measure | Figure | Vs a 1.8 m person |
|---|---|---|
| Length | about 5.3-7 m (holotype about 5.3-5.7 m; larger Morrison specimens about 7 m); Size vs human uses 6 m | ~3.3x a person end-to-end at the 6 m scale figure |
| Standing height | about 2-2.5 m at the hips | hip height near or above a standing person |
| Weight | holotype about 0.4-0.7 tonnes; largest known individuals up to about 1.1 tonnes | shown as a published range, not one settled point |
| Signature anatomy | blade-like nasal horn on the snout; serrated teeth; theropod body plan (feats.crest / bigHead) | horn is named identity, not claimed as a combat weapon |
| When it lived | ~153-148 million years ago (Late Jurassic, Kimmeridgian-Tithonian), Morrison Formation; named Marsh 1884, Ceratosaurus nasicornis | same Morrison window as several shipped Jurassic siblings |
How the Ceratosaurus size-vs-human toggle stays honest
The Ceratosaurus model is drawn to a fixed on-screen length so it fits the canvas; the Size vs human control then places a 1.8 m person at the true length ratio used by the viewer (6 m). Tap Size vs human under the canvas to show or hide the scale figure - the comparison is proportional, not a decorative sticker. Published length still spans about 5.3-7 m across holotype and larger Morrison specimens, so the toggle picks one clear mid-range scale inside that disclosed range.
What a person would see beside a Ceratosaurus
What a person would see is a medium theropod with a blade-like nasal horn on the snout - turn on the person in the viewer and orbit beside a hind leg to feel how hip height and body length sit relative to the scale figure. A license-clean CC-BY-SA 4.0 glTF may swap in after first paint; procedural skin color remains an artistic choice if the model load fails. The page does not claim the nasal horn was a combat weapon.
What the Ceratosaurus size numbers are not
What these size numbers are not is a claim of one precise length or weight: the Ceratosaurus size comparison discloses the about 5.3-7 m / 0.4-0.7 t (up to ~1.1 t) figures and uses 6 m only for the Size vs human scale; it does not claim the nasal horn was a combat weapon, does not invent soft-tissue accuracy for the procedural body, and this is not a win/lose game. For the control walkthrough see how to view Ceratosaurus in 3D. For trade-offs versus phone AR apps see Ceratosaurus 3D viewer vs AR apps.
Other dinosaurs to compare
Other dinosaurs in the collection make useful size comparisons too: for another Late Jurassic Morrison predator see the Allosaurus 3D Viewer, or for a much larger theropod see the Tyrannosaurus Rex 3D Viewer.
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