Species · GBIF taxon 4967473
Brachytrachelopan mesai
Brachytrachelopan mesaiBrachytrachelopan mesai represents a radical departure from classic sauropod anatomy, possessing a neck approximately forty percent shorter than those of its closest relatives. Rather than browsing high tree canopies, this compact herbivore grazed selectively on low-growing vegetation between one and two meters off the ground, effectively occupying a niche similar to modern large ground ungulates. High neural spines along its cervical and dorsal vertebrae supported strong ligament networks suited for rapid side-to-side sweeping motions across Late Jurassic river valleys.
HerbivorousSauropod

Licensed referenceMarco from Freialdenhoven, Deutschland / CC BY 2.0 · cc-by
—observations
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—peak records
ExtinctConservation statusIUCN Red List categoriesLCNTVUENCREWEXExtinctRed List categories, explained →
Diet & prey
- Ferns
- Cycads
- Low conifer browse
Predators
- Asfaltovenator vialidadi
- Indeterminate large theropods
ThreatsPredation by large theropods, environmental shifts
HabitatsRiver floodplains and semi-arid inland basins
Life span20–30 years (estimated)
Classification
- FamilyDicraeosauridae
- SpeciesBrachytrachelopan mesai
Range data is not available yet.
Interaction riskLow
- Low
- Moderate
- High
- Very high
- Why interaction risk is low
- Extinct fossil species; poses no living hazard.
Responsible observation
- Museum Viewing: Study skeletal mounts in natural history exhibits to appreciate its reduced neck proportions.
- Fossil Etiquette: Leave potential fossil discoveries in situ and alert local paleontological authorities immediately.
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