http://www.timesonline.co.uk/article/0,,3-2512103,00.html

“Two-headed beast from 100m BC”

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The earliest recorded example of an axial bifurcation
malformation. (Image: Eric Buffetaut et al)

“A miniature two-headed creature from the age of the dinosaurs has been discovered in China, astonishing scientists who never imagined that so rare a mutant could be preserved for 100 million years.

The skeleton of a young aquatic reptile, known as Sinohydrosaurus lingyuanensis, is the first fossil ever unearthed which has two heads and necks, showing that a developmental abnormality seen in modern snakes, turtles, lizards and crocodiles also afflicted their ancient forebears.”

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Artist’s impression taken from the fossil (via Daily Telegraph)

For something to be preserved as a fossil is rare — for a mutant to be fossilised is pretty remarkable!


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