Ornithomimid dinosaur — Ornithomimidae indet.

Geologic period: Latest Cretaceous — Maastrichtian

Age: Latest Cretaceous in the Hell Creek microvertebrate context.

Feeding: Diet cannot be determined from this claw alone.

Locomotion: Ornithomimids were long-legged bipedal dinosaurs, though that is known from other skeletal material.

Body plan: Only one element of the forelimb is represented.

Evidence: Claw morphology supports ornithomimid identification. The exact genus and species remain unknown.

Why it matters: One small bone can document a dinosaur lineage that may otherwise be rare in a particular fossil assemblage.

Plain Language Identity: An isolated hand claw from an unidentified ornithomimid dinosaur.

What You Are Looking At: A single fossil manual claw from an ostrich-like ornithomimid dinosaur.

Ecosystem: Latest Cretaceous terrestrial ecosystem.

Preservation: Isolated fossil hand claw.

Open Questions: Do not assign this claw to Ornithomimus or another genus without specimen-specific evidence.

Source Urls: https://naturalhistory.si.edu/visit/virtual-tour/current-exhibits/deep-time-virtual-tour-fossil-list

Enrichment Method: SAGE curated research pass; title + scientific name + source scene matched; display reconstruction separated from evidence; provenance uncertainty retained

Scientific name: Ornithomimidae indet.

Evidence / representation: Representative evidence-type visual; not the exact specimen.

Representative evidence-type visual; not the exact specimen.

T. rex & Triceratops: The Last American Dinosaur World.