The availability of prey and the ability to adapt to changing environments played key roles in the evolution of sharks. A new study, where 3,000 shark teeth were analyzed, provides new insight into how modern shark communities ...
Ecology
Oct 5, 2021
0
233
Carnivorous animals come in all shapes and sizes, from the 500-gram quoll to the 500-kilogram polar bear. This disparate group of mammals shares a common feature: canine teeth at the front of their jaws.
Plants & Animals
Sep 16, 2021
0
36
Where skeletons are rare, isolated teeth can flesh out our understanding of ancient reptile-dominated ecosystems, according to a study published September 8, 2021 in the open-access journal PLoS ONE by Ariana Paulina-Carabajal ...
Paleontology & Fossils
Sep 8, 2021
0
370
The fossil of a 290-million-year-old shark with petal-shaped teeth was found in China for the first time, according to Gai Zhikun, an associate researcher at the Institute of Vertebrate Paleontology and Paleoanthropology ...
Paleontology & Fossils
Sep 3, 2021
0
322
Selfies taken by missing persons before they disappear could prove key for future forensic dental identification, according to a researcher studying at the University of Dundee.
Other
Aug 30, 2021
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155
Ever wondered how deadly snakes evolved their fangs? The answer lies in particular microscopic features of their teeth, research led by Flinders University and the South Australian Museum suggests.
Evolution
Aug 10, 2021
1
236
A global catastrophe 66 million years ago led to the extinction of all non-avian dinosaurs, and large marine reptiles like mosasaurs and plesiosaurs. But what happened to the sharks? According to a study of sharks' teeth ...
Plants & Animals
Aug 10, 2021
1
1016
Two fossil teeth from a distant relative of North American gophers have scientists rethinking how some mammals reached the Caribbean Islands.
Paleontology & Fossils
Jul 15, 2021
0
12
Tens of million years ago, sand tiger sharks hunted in the waters off the Antarctic Peninsula, gliding over a thriving marine ecosystem on the seafloor below.
Paleontology & Fossils
Jul 13, 2021
1
7
Although the giant panda is in practice a herbivore, its masticatory system functions differently from the other herbivores. Through the processes of natural selection, the giant panda's dietary preference has strongly impacted ...
Plants & Animals
Jul 9, 2021
0
6
