description Thylacosmilus atrox Overview
Thylacosmilus atrox, a sparassodont from the Miocene–Pliocene of South America, independently evolved elongated saber-like upper canines and bony lower-jaw flanges convergent with those of true saber-toothed cats despite being only distantly related.
insights Ranking position
Thylacosmilus atrox ranks #139 of 249 in the Fossil ranking, behind Macrauchenia patachonica, ahead of Pachyrhinosaurus canadensis.
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How good is Thylacosmilus atrox?
Thylacosmilus atrox scores 7.85/10 (Good) on Lunoo, making it a well-rated option in the Fossil category. Striking saber-toothed metatherian with strong convergent-evolution value; functional interpretation remains debated.
What are the best alternatives to Thylacosmilus atrox?
See our alternatives page for Thylacosmilus atrox for a ranked list with scores. Top alternatives include: Sue (T. rex FMNH PR 2081), Stan (T. rex BHI 3033), Scotty (T. rex RSM P2523.8).
How does Thylacosmilus atrox compare to Sue (T. rex FMNH PR 2081)?
See our detailed comparison of Thylacosmilus atrox vs Sue (T. rex FMNH PR 2081) with scores, features, and an AI-powered verdict.
Is Thylacosmilus atrox worth it in 2026?
With a score of 7.85/10, Thylacosmilus atrox is a solid option in Fossil. See all Fossil ranked.
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