| 1. | The fossil record is silent about the 20 million years immediately following Ichthyostega.
|
| 2. | Whether these traits were independently evolved in " Ichthyostega " is debated.
|
| 3. | This projection is also seen in the Late Devonian tetrapod " Ichthyostega ".
|
| 4. | Comparisons between the skeletal features of Acanthostega and Ichthyostega reveal that they had different habits.
|
| 5. | His research on the Devonian tetrapod " Ichthyostega " was continued by Erik Jarvik.
|
| 6. | The oldest near-complete tetrapod fossils, Acanthostega and Ichthyostega, date from the second half of the Fammennian.
|
| 7. | In panderichthyids and " Ichthyostega " ribs are attached to the neural arch and there is an intercentrum.
|
| 8. | Ichthyostega means " fish plate " because the roof of its skull was shaped like that of a fish.
|
| 9. | A 2012 study using 3D reconstructions of " Ichthyostega " concluded that it was incapable of typical quadrupedal gaits.
|
| 10. | The most complete skeletal material of an early amphibian tetrapod is the Ichthyostega, found in Greenland and dated 362 million years old.
|
