What dimension of the Epicyon haydeni skull would immediately impress an observer regarding its strength?
Answer
Immense width across the zygomatic arches
When considering the known robustness and mass of *Epicyon*, the immediate impression derived from a skull cast would focus on its bulk rather than just its length. Specifically, the immense width across the zygomatic arches, or cheekbones, combined with the overall density of the jaw bones, highlights the structure engineered to withstand powerful crushing forces, making width and depth more notable than external length measurements.

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