🎨 RestorationRestoration: Mariana Ruiz Villarreal (Wiki user LadyofHats ) · Public domain · Wikimedia Commons Source
Life restorations are artistic reconstructions based on fossil evidence; true coloration and soft-tissue details remain uncertain.
Alamosaurus
Alamosaurus sanjuanensis (Alamosaurus · Alamosaurus)
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 21 m (genus representative value, estimated) is just under the length of two city buses (about 12 m each) (Comparison).
- 💡 A key point in the museum introduction is that it is the only sauropod known from Late Cretaceous North America.
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
Alamosaurus sanjuanensis is a herbivorous sauropod (titanosaur) that lived in North America during the Late Cretaceous, and its genus name Alamosaurus means 'Alamo lizard'. It is the only sauropod known from Late Cretaceous North America.
🦴 2. Anatomy & Morphology
It was a giant herbivorous dinosaur with a recorded body length of about 21 m. This source has no information on its weight or teeth.
🔍 3. Fossil Record & Paleoecology
It was a herbivorous dinosaur. Gilmore named it in 1922.
🇰🇷 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 — Q124605144
- • commons.wikimedia.org — File:Alamosaurus.jpg
- • nhm.ac.uk — alamosaurus.html
- • Silhouette: PhyloPic — artrociraptor · CC0 1.0
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.