How paleontologists are using fossilized shark teeth to date the past
Sharks have ruled the Earth’s oceans for 400 million years and recent research on fossilized shark teeth has led to the ...
Phys.org9d
Fossil shark teeth are abundant and can date the past in a unique way
More information: Stephanie R. Killingsworth et al, Marine strontium isotopes preserved in fossil shark teeth calibrate Neogene land mammal evolution, Palaeogeography, Palaeoclimatology ...
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Extinct walrus-like mammal that sucked prey in prehistoric times discovered
Fossil evidence has led to the identification of a new prehistoric mammal with similarities to ... Ontocetus had four post-canine teeth, a bigger lower canine, and a fused, shorter jaw, which ...
Hosted on MSN1y
A 13-year-old found a 5-million-year-old fossil, and now there's a new species of walrus named in his honor
His discovery has now led to the identification ... shark teeth, and whale bones. "I was just absolutely on fire and ecstatic about finding fossils," he told Business Insider.
SFGate9d
Fossil shark teeth are abundant and can date the past in a unique way
Our study was one of the first to date Florida coastal deposits using fossil shark teeth and a technique that ... the age of the sites based only on mammal fossils. The sites were thought to ...
The Telegraph9d
Fossil shark teeth are abundant and can date the past in a unique way
MacFadden, University of Florida (THE CONVERSATION) The ratios of strontium isotopes in fossil shark teeth can be used to ... age of the sites based only on mammal fossils. The sites were thought ...