🎨 RestorationRestoration: Raptormimus456 · CC BY-SA 3.0 · Wikimedia Commons Source
Life restorations are artistic reconstructions based on fossil evidence; true coloration and soft-tissue details remain uncertain.
Deinocheirus
Deinocheirus mirificus (Deinocheirus · Deinocheirus)
Known only from fossils. The IUCN Red List assesses only species extant since 1500 CE, so fossil taxa are not assigned a category.
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 An estimated body length of about 10 m (representative value for the genus) is slightly shorter than a city bus (about 12 m) (Comparison).
- 💡 It is a case where only a pair of long arm bones was known until new fossils came to light in 2014 and revealed a camel-like hump.
Reference standards: coach bus ~12 m, mid-size car ~4.9 m, compact car ~1 t, basketball hoop 3.05 m, credit card 8.56 cm.
📖 1. Overview
Deinocheirus mirificus (genus Deinocheirus) was a large theropod (of the ornithomimosaur group) that lived in Mongolia during the Late Cretaceous, and its name means "horrible hand." For a long time, only a pair of arm bones with long claws was known.
🦴 2. Anatomy & Morphology
New fossils described in 2014 revealed that it had a large hump supported by its backbones. It is characterized by large clawed hands, a duck-like billed head, and a camel-like hump on its back.
🔍 3. Fossil Record & Paleoecology
The museum classifies it as omnivorous. This source does not provide separate information on reproduction.
🇰🇷 4. Connection to Korea
No direct record connecting this species to Korea has been found.
📚 Sources & References
- • Fossil taxon — the IUCN Red List assesses only species living or extinct since 1500
- • paleobiodb.org — basicTaxonInfo
- • wikidata.org — Q124482026
- • commons.wikimedia.org — File:Deinocheirus mirificus.jpg
- • nhm.ac.uk — deinocheirus.html
- • Silhouette: PhyloPic — T. Michael Keesey · CC0 1.0
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.