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Fossil Atlas: Specimen ProfileCatalog FA·GALL·1963
Plate 31 · Omnivore

GallimimusFossil map and specimen profile

Binomial Gallimimus bullatus · GAL-ih-MY-mus

Late Cretaceous - 70-66 Ma

Classification
Ornithomimid dinosaur
Family
Ornithomimidae
Genus / Species
Gallimimus bullatus
Diet
Omnivore
Range
Mongolia, especially Nemegt Formation records in the current atlas.
Illustrated reconstruction of GallimimusIllustration
Plate 31 · illustration onlyFA·GALL·1963
Quick provenance answer

Where have Gallimimus fossils been found?

Gallimimus fossil records in Fossil Atlas are mapped as selected modern discovery locations, with 15 source-backed records currently shown. Mongolia, especially Nemegt Formation records in the current atlas. Key mapped formations in the current dataset include Baruungoyot, Nemegt, Bissekty. These pins are fossil record locations, not a complete ancient habitat map.

This remains a specimen profile: the reconstruction, measurements, field account, and evidence sections stay intact. The fossil-map answer is surfaced here so visitors from search can orient themselves before reading the full dossier.

Mapped records
15
Modern range note
Mongolia, especially Nemegt Formation records in the current atlas.
Key formations
Baruungoyot, Nemegt, Bissekty
Map caveat
Modern fossil locations, not ancient habitat.
Field account

Gallimimus was a large ornithomimid dinosaur from the Late Cretaceous Nemegt Formation of Mongolia. Fossil Atlas maps selected discovery records and links it to the broader Gobi fossil story.

Built to scale

Size against a person

Drawn true to scale on a metre ruler.

0 m2468101214161820222426
Gallimimus, 6 m (20 ft)Adult human, 1.8 m3× longer than a person is tall
Field measurements

Measurements & capabilities

MeasuredEstimate

Length

measured

6 m · 20 ft

Largest known specimens

Height

measured

2 m (6.5 ft)

Body mass

estimate

440 kg · 970 lb

Typical adult

Top speed

estimate

56 km/h · 35 mph

Modelled, debated

Known from

Fossil evidence

01Skulls
02Limb bones
03Partial skeletons
04Ornithomimid fossils
Key formations
BaruungoyotNemegtBissekty
Geologic timeline

When they lived

Position of this animal’s known range across 252 million years of the Mesozoic and beyond.

252 MaToday

70-66 million years ago

From the notebook

Field notes

01

Gallimimus is one of the most recognizable ostrich-like dinosaurs.

02

Its Nemegt records give Mongolia pages a non-predator, non-armored dinosaur anchor.

03

Its name means chicken mimic.

Modern discovery map

Gallimimus fossil discovery map

Pins show selected fossil records for Gallimimus; use them as modern discovery evidence, not a complete range map. Modern fossil discovery map: pins show where selected fossil and specimen records were found today, not ancient Earth positions. What does this mean?

Modern Fossil Discovery Map

Specimen evidence

Museum media and models

No open specimen media or embeddable model assets are available in the local enrichment data yet.

Research notes

Gallimimus fossil map FAQ

Where have Gallimimus fossils been found?

Gallimimus is represented here by selected fossil records from mongolia, especially nemegt formation records in the current atlas. Fossil Atlas maps those records as modern discovery locations.

Is this map where Gallimimus lived?

No. The map shows modern fossil discovery locations from selected records. Ancient habitat and paleogeographic reconstructions are separate questions.

What formation is Gallimimus associated with here?

The current Fossil Atlas records include Baruungoyot. Formation coverage depends on the selected dataset and may not be complete.

Can I make a Gallimimus expedition card?

Yes. Use the expedition card generator to turn the Gallimimus map and specimen profile into a shareable card.

Data sources

Attribution

Caveats

Important notes

Selected fossil records from PBDB and museum biodiversity aggregators. Source labels and confidence notes help distinguish canonical paleobiology records from specimen-media records.

Reconstruction images are labeled illustrations and do not represent fossil evidence. Size, speed, and bite-force figures are typical published estimates and remain subject to revision as new specimens are described.

Trust note

Selected source-backed records

Maps use curated PBDB, museum, and specimen-source records with visible caveats.

Trust note

Modern discovery locations

Pins show where fossils were found or reported today, not exact ancient habitat positions.

Trust note

Reconstruction is not evidence

Artwork is labeled separately from specimen photos, maps, and source records.

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