AETONYX
a synonym of Massospondylus from the Late Triassic of South Africa.
Pronunciation: EYE-toh-nix
Meaning: Eagle claw
Author/s: Broom (
1911)
Synonyms: N/A
First Discovery: Free State, South Africa
Discovery Chart Position: #98
Aetonyx palustris
Now thought to be a synonym of
Massospondylus carinatus.
Estimations
Timeline:
Era: Mesozoic
Epoch: Early Jurassic
Stage: Simemurian-Pliensbachian
Age range: 200–183 mya
Stats:
Est. max. length: 4.5 meters
Est. max. hip height: ?
Est. max. weight: 200 Kg
Diet: Herbivore
References
• Broom R (1911) "On the dinosaurs of the Stormberg, South Africa". Annals of the South African Museum, 7(4): 291–308.
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Atkinson, L.
"
AETONYX :: from DinoChecker's dinosaur archive".
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http://www.dinochecker.com/dinosaurs/AETONYX›. Web access: 06th Mar 2026.