Chasmosaurus Size Comparison
Chasmosaurus 3D Viewer pairs published ranges for a chasmosaurine ceratopsian with a 1.8 m person - length panel baseline 4.8 m and mass panel baseline 2 t within published ranges.
Chasmosaurus published figures
The Chasmosaurus facts panel and this table use the same real published measures:
| Measure | Figure | Vs a 1.8 m person |
|---|---|---|
| Length | about 4.3-5 m (panel baseline 4.8 m as mid-range within that range) | about 2.7x a person at the panel baseline; Size vs human uses 4.8 m |
| Frill | large fenestrated frill with openings; brow horns smaller than Triceratops | chasmosaurine skull proportions distinct from Triceratops |
| Weight | about 1.5-2.5 t (panel baseline 2 t as mid-range within that range) | more than one human body mass at the panel baseline |
| When it lived | 76.5-75.5 Mya Late Cretaceous; Dinosaur Park Formation Alberta Canada | panel era 76.5-75.5 Ma |
| Identity | Lawrence Lambe 1914; herbivore; chasmosaurine ceratopsian | distinct from Triceratops and Pentaceratops already on this site |
How the Chasmosaurus size-vs-human toggle stays honest
The Chasmosaurus model is drawn to a fixed on-screen length; Size vs human places a 1.8 m person at the true length ratio to the 4.8 m panel baseline. Tap Size vs human under the canvas - the comparison is proportional, not a decorative sticker.
What a person would see beside a Chasmosaurus
What a person would see is a fenestrated-frill ceratopsian whose panel length is 4.8 m beside a 1.8 m person - with brow horns smaller than Triceratops. Turn on Size vs human and orbit.
What the Chasmosaurus size numbers are not
What these size numbers are not is a Triceratops or Pentaceratops stand-in. Soft-tissue color is still an artistic reconstruction. This model is not a fossil-accurate skeleton. For controls see how to view Chasmosaurus in 3D. For AR trade-offs see Chasmosaurus 3D viewer vs AR apps.
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