'Steak-knife' teeth reveal ecology of oldest land predators
The first top predators to walk on land were not afraid to bite off more than they could chew, a University of Toronto Mississauga study has found.
The first top predators to walk on land were not afraid to bite off more than they could chew, a University of Toronto Mississauga study has found.
Archaeology
Feb 7, 2014
3
1
(Phys.org) —Researchers from the University's of Bristol and Birmingham in the U.K. have made progress in identifying the ways that a conodont used its teeth—the earliest ever found in a vertebrate. In their paper published ...
A new look at the diets of ancient African hominids shows a "game changer" occurred about 3.5 million years ago when some members added grasses or sedges to their menus, according to a new study led by the University of Colorado ...
Archaeology
Jun 3, 2013
4
0
(Phys.org) —A team of researchers from the U.S., Taiwan and China analyzing tooth regeneration in alligators reports that a similar process might possibly be instigated in humans through artificial means. In their paper ...
It takes both teeth and jaws to make a pretty smile, but the evolutionary origins of these parts of our anatomy have only just been discovered, thanks to a particle accelerator and a long dead fish.
Archaeology
Oct 17, 2012
1
0
A team of paleontologists and engineers has found that duck-billed dinosaurs had an amazing capacity to chew tough and abrasive plants with grinding teeth more complex than those of cows, horses, and other well-known modern ...
Archaeology
Oct 4, 2012
0
0
When it came to eating, an upright, 2-million-year-old African hominid had a diet unlike virtually all other known human ancestors, says a study led by the Max Planck Institute of Evolutionary Anthropology in Leipzig, Germany ...
Archaeology
Jun 27, 2012
6
0
Conventional wisdom holds that during the Mesozoic Era, mammals were small creatures that held on at life's edges. But at least one mammal group, rodent-like creatures called multituberculates, actually flourished during ...
Archaeology
Mar 14, 2012
0
0
(PhysOrg.com) -- Sharks are capable of continually growing new teeth. As the teeth age, they fall out and new ones move forward similar to that of a tooth conveyor belt. Humans, and most mammals, on the other hand are only ...
(PhysOrg.com) -- For decades, a 2.3 million- to 1.2 million-year-old human relative named Paranthropus boisei has been nicknamed Nutcracker Man because of his big, flat molar teeth and thick, powerful jaw. But a definitive ...
Archaeology
May 2, 2011
2
1