- · Grid units represent actual meters (m); human and animals are drawn to the exact same scale with original silhouette aspect ratios preserved.
- · When a size range is recorded (e.g. 1–1.6m), the lower bound is used for scale comparison.
- · Mamenchisaurus silhouette: PhyloPic — Young and Zhao (1972:figure 4), modified by Michael P. Taylor · CC0 1.0
- · Human silhouette: PhyloPic — NASA · Public Domain Mark 1.0
Mamenchisaurus
Mamenchisaurus hochuanensis (Mamenchisaurus · Mamenchisaurus)
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 estimated body length of 22 m is close to the length of a 25 m swimming pool (Comparison).
- 💡 Its estimated body length of 22 m is more than one and a half times the length of a London double-decker bus (about 14 m) (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.
📖 1. Overview
Mamenchisaurus hochuanensis (genus Mamenchisaurus) was a long-necked herbivorous sauropod that lived in China during the Late Jurassic (about 155–145 million years ago), and its name means 'Mamenchi lizard.'
🦴 2. Anatomy & Morphology
It was a long-necked plant-eating sauropod; C. C. Young named the genus in 1954, and the type species of the genus is constructus.
🔍 3. Fossil Record & Paleoecology
It was a herbivorous dinosaur that ate plants. Because this museum directory entry covers the genus level, no separate detailed records on feeding habits or reproduction are provided.
🇰🇷 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 — Q85873894
- • commons.wikimedia.org — File:Mamenchisaurus hochuanensis Field Museum.jpg
- • nhm.ac.uk — mamenchisaurus.html
- • nhm.ac.uk — how-big-was-diplodocus-carnegii.html
- • Silhouette: PhyloPic — Young and Zhao (1972:figure 4), modified by Michael P. Taylor · CC0 1.0
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.