(PhysOrg.com) -- An 85 million-year-old plesiosaur fossil has been found with over 80 shark's teeth, suggesting the animal was the victim of sharks in a feeding frenzy. The find is perhaps the most spectacular example of ...
Teeth and hard structures called dermal odontodes are evolutionarily related, arising from the same developmental system, a new study published today in eLife shows.
Paleontology & Fossils
Dec 15, 2020
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234
(Phys.org) -- The lasting legacy of the great white shark is sharp, strong and pointy: its teeth.
Plants & Animals
Aug 8, 2012
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How did the largest animals to ever walk the Earth dominate their environments? By doing something totally revolutionary: keeping it simple. Published in BMC Ecology and Evolution, a new study led by Postdoctoral Research ...
Evolution
Nov 10, 2021
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119
Millions of years ago, giant sharks three times larger than today's great whites stalked the world's ocean. They're long gone now, but occasionally, someone walking on a beach spots an odd triangular shape in the sand. On ...
Paleontology & Fossils
Jul 21, 2022
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622
They are revered throughout nature as chilling predators … now research shows crocodiles have not always been the cold-blooded creatures they are today.
Archaeology
Jan 22, 2020
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465
A new University of Florida study shows mammals change their dietary niches based on climate-driven environmental changes, contradicting a common assumption that species maintain their niches despite global warming.
Archaeology
Jun 3, 2009
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Fossils of an ancient crocodile with mammal-like teeth have been discovered in the Rukwa Rift Basin of Tanzania, scientists report in this week's issue of the journal Nature. The unusual creature is changing the picture of ...
Archaeology
Aug 4, 2010
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Whales are mammals, but they don't look like the mammals living around us, as they have a triangular fluke for tail, no hind legs and no body hair. And inside their mouths, their teeth are unfamiliar too – being much simpler ...
Plants & Animals
Feb 19, 2013
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Rivaling the evolution of feathers in dinosaurs, one of the most extraordinary transformations in the history of life was the evolution of baleen—rows of flexible hair-like plates that blue whales, humpbacks and other marine ...
Plants & Animals
Nov 29, 2018
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