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Tetrapods

Fossil skull sheds new light on transition from water to land

 The first 3D reconstruction of the skull of a 360 million-year-old near-ancestor of land vertebrates shows such creatures were more like modern crocodiles than previously thought.

Mar 12, 2015, 17:52 PM IST

How forelimbs overtook fins in land invasion

A new comparative study on fins and forelimbs is now being used to analyze early fossils that spanned the water-to-land transition in tetrapod evolution, and further understand their capability to move on land.

Jul 06, 2013, 15:21 PM IST

Origin of our hips much simpler than thought

The evolution of the complex, weight-bearing hips of walking animals from the basic hips of fish was a much simpler process than previously thought, according to a new research.

May 15, 2013, 14:55 PM IST

X-rays help reassemble backbones of 1st vertebrates

Scientists have been able to reconstruct, for the first time, the intricate three-dimensional structure of the backbone of early tetrapods, the earliest four-legged animals.

Jan 15, 2013, 10:19 AM IST

First land animals shuffled like seals

The world`s first 3D reconstruction of a four-legged animal backbone has shown that the early animals on land moved around like seals.

Jan 14, 2013, 22:28 PM IST

Paddlefish’s doubled genome may challenge theories on limb evolution

A new study has found that the American paddlefish -- known for its bizarre, protruding snout and eggs harvested for caviar -- duplicated its entire genome about 42 million years ago.

Aug 08, 2012, 18:06 PM IST

Humans `are just modified fish`

The muscles controlling the pelvic fins of the marine species have paved the way for the evolution of back legs in higher animals.

Oct 07, 2011, 11:50 AM IST