Pteranodon Size Comparison
Pteranodon 3D Viewer pairs published pterosaur figures with a 1.8 m person on screen - wingspan about 6.5 m for a representative large adult (adult males commonly about 5.6-7.6 m) and weight about 25 kg (published estimates often about 20-50 kg) - so the scale gap stays readable at a glance. Pteranodon was a pterosaur, not a dinosaur.
Pteranodon published figures
The Pteranodon facts panel and this table disclose published ranges rather than one invented single number; the Size vs human control uses about 6.5 m as the wingspan scale ratio:
| Measure | Figure | Vs a 1.8 m person |
|---|---|---|
| Wingspan | about 6.5 m representative large adult; adult males commonly about 5.6-7.6 m; Size vs human uses about 6.5 m | ~3.6x a person tip-to-tip at the 6.5 m scale figure |
| Weight | about 25 kg (published estimates often about 20-50 kg) | far lighter than a large land dinosaur of similar span; mass stays in the tens of kilograms |
| When it lived | 86-84 million years ago | Late Cretaceous; diet Carnivore (mainly fish) |
| Discovery | named by Othniel Charles Marsh, 1876, Kansas (Pteranodon longiceps) | taxon is a pterosaur (flying reptile), not a dinosaur |
How the Pteranodon size-vs-human toggle stays honest
The Pteranodon model is drawn to a fixed on-screen wingspan so it fits the canvas; the Size vs human control then places a 1.8 m person at the true wingspan ratio used by the viewer (about 6.5 m). Tap Size vs human under the canvas to show or hide the scale figure - the comparison is proportional, not a decorative sticker. Published adult-male wingspan still spans about 5.6-7.6 m, so the toggle picks one clear scale inside that disclosed range.
What a person would see beside a Pteranodon
What a person would see is a crested flying reptile whose tip-to-tip wingspan at about 6.5 m is roughly several person-lengths across, with membrane wings and a backward crest - turn on the person in the viewer and orbit beside a wing to feel how the span sits relative to the scale figure. Skin and crest color are an artistic reconstruction, not a fossil-accurate skeleton. The page states plainly that Pteranodon was a pterosaur, not a dinosaur.
What the Pteranodon size numbers are not
What these size numbers are not is a claim of one precise wingspan or weight: the Pteranodon size comparison discloses the literature ranges and uses about 6.5 m only for the Size vs human scale; it does not call Pteranodon a dinosaur, no free-licensed Pteranodon glTF is re-hosted yet so the viewer stays procedural, and this is not a win/lose game. For the control walkthrough see how to view Pteranodon in 3D. For trade-offs versus phone AR apps see Pteranodon 3D viewer vs AR apps.
Other taxa to compare
Other taxa in the collection make useful scale contrasts too: Pteranodon is a flying reptile, so for a large land predator see the Tyrannosaurus rex 3D Viewer, or for a crested duck-billed dinosaur see the Parasaurolophus 3D Viewer.
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