Thomas Holtz

Study Refutes Claim that Tyrannosaurus Rex Was Three Separate Species

Study Refutes Claim that Tyrannosaurus Rex Was Three Separate Species
A UMD geology professor contributed to research that found insufficient evidence for the reclassification of the iconic T. rex.
When Tyrannosaurs Dominated, Medium-sized Predators Disappeared

When Tyrannosaurs Dominated, Medium-sized Predators Disappeared
New UMD study suggests that everywhere tyrannosaurs rose to dominance, their juveniles took over the ecological role of medium-sized carnivores.
Spinosaurus Was More Heron than Crocodile

Spinosaurus Was More Heron than Crocodile
Study sheds new light on the behavior of the giant carnivorous dinosaur Spinosaurus, suggesting it was a wading hunter.
College Awarded 41 Campus Teaching Innovation Grants

College Awarded 41 Campus Teaching Innovation Grants
Faculty members will use the funding to develop new strategies for teaching fall courses online.
T. rex’s Long Legs Were Made for Marathon Walking

T. rex’s Long Legs Were Made for Marathon Walking
Research finds leg length gave giant predatory dinosaurs the advantage of efficiency, not speed as previously thought.