A three-dimensional reconstruction and comparative joint analysis found that Ichthyostega lacked the limb rotations required for a typical lateral-sequence walk.
Represented range372.15–358.86 Ma
RegionsFamennian deposits, East Greenland
CladesIchthyostega · Devonian limbed tetrapods
Claim ledger
morphology · medium
A three-dimensional reconstruction and comparative analysis found that Ichthyostega lacked the limb long-axis rotations required for a typical lateral-sequence walk; this may reflect restricted early mobility or a specialization of Ichthyostega itself.