'Sea monster' fossil unearthed

Leviathan was an aggressive 17m-long predator which may have preyed on other whales Researchers have discovered the fossilised remains of an ancient whale with huge, fearsome teeth. Writing in the journal Nature, the scientists have dubbed the 12 million-year-old creature "Leviathan". It is thought to have been more than 17m long, and might have engaged in fierce battles with other giant sea creat

[kazutox]

2010年。ペルーで発見されたLivyatan melvillei。

[fuldagap]

"So taken are they with the novel that they decided to dedicate their discovery to the author, Herman Melville, and give the creature its full scientific name of Leviathan melvillei."しかし、何で現生の”aggressive predator”は小型化したんだろ。効率の問題？

[fujikumo]

牙をはやしたクジラのような化石が発掘される。復元図あり。これはいやな動物だ。1200年前に生息していて、体長17m、マッコウクジラに似た外見。イルカやオットセイや他のクジラを食べていただろうと