Latest Tiktaalik Stories
The evolution of hind legs actually began as enhanced hind fins, according to the newly discovered, well-preserved pelvis and a partial pelvic fin from Tiktaalik roseae—a 375 million-year old transitional species between fish and the first legged animals.
The famous fossil fish species Tiktaalik roseae lived in the brutal Devonian environment 375 million years ago and is receiving scientific acclaim for providing some of the best evidence to date of the evolutionary change from lobe-finned fish to four-limbed animals.
The Academy of Natural Sciences today announced the discovery of a new species of large predatory fish that prowled ancient North American waterways during the Devonian Period, before backboned animals existed on land.
Fossilized footprints of a mysterious, long-extinct creature in a Polish quarry have caused paleontologists to reconsider traditional thinking of how sea-based vertebrates moved to land.
The genetic toolkit that animals use to build fins and limbs is the same genetic toolkit that controls the development of part of the gill skeleton in sharks.
Some 375 million years ago, a unique fish existed with features in its head that helped pave the way for vertebrate animals to live on land, scientists said on Wednesday.
By Bell, Michael A PALEONTOLOGY Variations on a Theme YOUR INNER FISH: A Journey into the 3.5-Billion-Year History of the Human Body. Neil Shubin. x + 229 pp. Pantheon Books, 2008. $24.
Scientists believe the discovery of well-preserved fossils in Latvia may explain the evolutionary history of how our ancestors moved from water to land.
Even before they are born, all people carry genetic baggage, genes that were useful to distant, non-human ancestors but are hopelessly outdated, even harmful, to humans as they live today.
Fossils of a 375 million year old species of ancient fish found north of the Arctic Circle fill an evolutionary gap in the transition between water and land animals, scientists said on Wednesday.
- totally perplexed and mixed up.