🎨 RestorationRestoration: Pedro Salas · CC BY-SA 4.0 · Wikimedia Commons Source
Life restorations are artistic reconstructions based on fossil evidence; true coloration and soft-tissue details remain uncertain.
Amargasaurus
Amargasaurus cazaui (Amargasaurus · アマルガサウルス)
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) equals a city bus (about 12 m), and its weight of about 9 tons is about six passenger cars (about 1.5 tons each) (Comparison).
- 💡 The appearance created by the two rows of spines along its back can be imagined as looking like an open fan (Comparison).
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.
Site-computed relative index from recorded values; not a formal scientific metric.
📖 1. Overview
Amargasaurus cazaui is a herbivorous sauropod (Dicraeosauridae) that lived in Argentina during the Early Cretaceous. Its genus name Amargasaurus means 'Amarga lizard'.
🦴 2. Anatomy & Morphology
Two rows of spines ran along its back, possibly supporting a double sail, and the spines on its neck vertebrae were especially long. Its teeth were suited for grinding and chewing tough plants.
🔍 3. Fossil Record & Paleoecology
It was a herbivorous dinosaur that ate tough plants. Its body length is recorded as about 12 m and its weight as about 9 tons.
🇰🇷 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 — Q311282
- • commons.wikimedia.org — File:Amargasaurus1 Melb Museum email.jpg
- • nhm.ac.uk — amargasaurus.html
- • Silhouette: PhyloPic — Will Toosey · CC BY 4.0 (Related taxon silhouette — Dicraeosaurus)
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.