深海7000メートルに、1200キロにわたる“クジラの墓場”――　530万年前の化石や新種の生物を確認【海外】

参照

Nature「A 5.3-million-year-old deep-sea whale necropolis in the Diamantina Zone」（Creative Commons licence CC BY 4.0.）

Live Science「Scientists discover 5 million-year-old whale graveyard stretching for hundreds of miles in the Indian Ocean」

BBC「Whale graveyard dating back five million years discovered」

The Guardian「Deepest and most extensive whale graveyard discovered in Indian Ocean」