- First-ever adult Tyrannosaurus rex trackway discovered in North Dakota badlands WLWT
- One giant step: first known adult T rex footprints found in North Dakota theguardian.com
- Four giant three-toed prints found in 2025 near Marmarth, North Dakota turned out to be the first trackway ever attributed to an adult T. rex, and the 66.5-million-year-old sequence records a 13-foot stride — the predator was strolling at 3.5 to 4.5 mph, about the Space Daily
- Paleontologists Discover First-Ever Adult Tyrannosaurus rex Trackway Sci.News
- T. Rex Footprints Are a Discovery Newser