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4" leaf on 4
The recent discovery of clear evidence for lodge building in the related genus Dipoides indicates that the Giant Beaver probably also built lodges
A new species of Precambrian macrofossil
a feature that is only seen in birds and the dinosaurs most closely related to them
Ichthyostega stensioe, skull Troodon 4" leaf on 4Ichthyostega (Greek: "fish roof") is an early genus of tetrapodomorphs that lived at the end of the Late Devonian Period. It was one of the first four limbed vertebrates in the fossil record. Ichthyostega possessed lungs and limbs that helped it navigate through shallow water in swamps. Although Ichthyostega is often labelled a "tetrapod" due to the possession of limbs and fingers, it was more basal ("primitive") than true crown tetrapods, and could