Some individual footprints from the Poland tetrapod tracksite were as wide as 10 inches (26 centimeters).
Notes on verification
Confirmed by multiple independent, credible sources (CNN, Nature-based reporting, CORDIS, Wikipedia) all citing the same 26 cm/10 inch figure for footprint width at the Zachelmie tracksite. [cascade flags: wikipedia_dropped_other_sources_exist | tier=silver indep_score=1.0 clusters=2 claim_tier=notable]