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"Archaic Whales were Ferocious Predators, New ..." Topic


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267 hits since 1 Sep 2017
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Tango01 Supporting Member of TMP02 Sep 2017 3:22 p.m. PST

….Research Shows.

""Contrary to what many people thought, it seems that that whales never used their teeth as a sieve, and instead evolved their signature filter feeding strategy only later maybe after their teeth had already been lost," said lead author Dr. Alistair Evans, a senior lecturer at Monash University and an honorary associate at Museum Victoria.

To find out what the teeth of archaic whales were really capable of, Dr. Evans and co-authors compared them to both filter feeding seals and a range of modern predators, like dingoes and lions.

"We first generated high-resolution 3D surface models of the cheek teeth of five modern pinnipeds (including leopard and crabeater seals), four terrestrial carnivorans, and eight fossil cetaceans (five toothed mysticetes, including Janjucetus and Coronodon; the fossil shark-toothed dolphin Squalodon; and two archaeocetes)," the researchers explained…"
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