«La mandíbula de Odaraia: una pieza clave en la evolución de los artrópodos»
Around 500 million years ago, a strange creature called Odaraia alata swam through Earth’s seas. It had bulging eyes, a rudderlike tail, and 30 pairs of spiny limbs extending from its cigar-sized body. Most of its legs were tucked inside a protective shell that wrapped around its midsection. It also had a mysterious trident-shaped tooth … Read more