Antacid armour key to tetrapod survival

Here's an anatomical packing list for making that historic trip from water to land circa 370 million years ago: Lungs? Check. Legs? Check. Patches of highly vascular bone in the skin? In a new paper, scientists propose why many of the earliest four-legged creatures that dared breathe on land carried bony skin features. Source: Brown University - Discipline: Evolution

Antacid armour key to tetrapod survival

OUT OF THE OCEAN: An armour of acid-neutralising bone helped four-legged vertebrates to survive when they first crawled out of the ocean, say researchers.

Tue 24 Apr 12 from ABC Science

Body Armor for Breathing?

"Dermal bone" may have helped early land dwellers overcome inefficient lungs

Tue 24 Apr 12 from Science Now

Did bone ease acid for early land crawlers?

Here's an anatomical packing list for making that historic trip from water to land circa 370 million years ago: Lungs? Check. Legs? Check. Patches of highly vascular bone in the skin? In a new ...

Tue 24 Apr 12 from Phys.org

Did bone ease acid for early land crawlers?, Wed 25 Apr 12 from Labspaces.net

Did bone ease acid for early land crawlers?, Wed 25 Apr 12 from ScienceDaily

Body Armor of First Land Animals Stymied Acid

The world's earliest four-legged animals had a body that helped deter painful acid buildup.

Tue 24 Apr 12 from Discovery.com

Natural Antacid Helped Early Land Creatures Breathe

First land-dwellers had to avoid acidification.

Tue 24 Apr 12 from Livescience

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