Frontpage » Tag » tetrapod

News tagged with tetrapod

Fish out of water: Gene clue to evolutionary step

Two genes controlling a tissue protein may have played a role in the key period when fish shed their fins and became limbed land-lovers, a study published by Nature on Thursday said.

Biology / Biotechnology

created Jun 24, 2010 | popularity 4.9 / 5 (11) | comments 5

Fossils suggest earlier land-water transition of tetrapod

New evidence gleaned from CT scans of fossils locked inside rocks may flip the order in which two kinds of four-limbed animals with backbones were known to have moved from fish to landlubber.

Other Sciences / Archaeology & Fossils

created Apr 17, 2009 | popularity 4.2 / 5 (10) | comments 0

Shift to shore: New model shows extinct tetrapod Ichthyostega couldn't walk

Palaeontology has gone high-tech: no more wax and plaster-cast models. Instead, 3D data from computed tomography (CT) scans is overturning long-held views of how the earliest land animals moved.

Other Sciences / Archaeology & Fossils

created May 23, 2012 | popularity 4.8 / 5 (5) | comments 4 | with audio podcast

Lungfish provides insight to life on land

A study into the muscle development of several different fish has given insights into the genetic leap that set the scene for the evolution of hind legs in terrestrial animals. This innovation gave rise to the tetrapods—four-legged ...

Biology / Plants & Animals

created Oct 04, 2011 | popularity 4 / 5 (4) | comments 0 | with audio podcast

Fossil footprints give land vertebrates a much longer history

The discovery of fossil footprints from early backboned land animals in Poland leads to the sensational conclusion that our ancestors left the water at least 18 million years earlier than previously thought. ...

Other Sciences / Archaeology & Fossils

created Jan 06, 2010 | popularity 4.8 / 5 (16) | comments 0 | with audio podcast