🎨 RestorationRestoration: Durbed · 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.
Acrocanthosaurus
Acrocanthosaurus atokensis (Acrocanthosaurus · Acrocanthosaurus)
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
- 💡 Its body length of about 12 m (genus representative value, estimated) is about the same as the length of a city bus (about 12 m) (Comparison).
- 💡 The name meaning 'high-spined lizard' comes from the tall spine shapes on its backbone.
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
Acrocanthosaurus atokensis is a large carnivorous theropod that lived in the United States during the Early Cretaceous. Its genus name Acrocanthosaurus means 'high-spined lizard'.
🦴 2. Anatomy & Morphology
It was a large theropod with a recorded body length of about 12 m. Its name meaning 'high-spined' comes from the tall spines on its vertebrae.
🔍 3. Fossil Record & Paleoecology
It was a carnivorous dinosaur. This source provides no separate details on its prey or hunting methods.
🇰🇷 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 — Q62762120
- • commons.wikimedia.org — File:Acrocanthosaurus skeleton (1).jpg
- • nhm.ac.uk — acrocanthosaurus.html
- • Silhouette: PhyloPic — Jagged Fang Designs · CC0 1.0
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.