Cooksonia pertoni - Mushroom fossil (~ tall) from Shropshire, UK, from the Upper Silurian. Much thanks to Hans Steur for permitting us to share his work. Botany Photo of the Day UBC Botanical Garden & Center for Plant Research
The living Earth (except a few times when I pin dead stuff) --- Sinosauropteryx: The first genus of dinosaur outside of Avialae (birds and their immediate relatives) to be found with evidence of feathers. Which can be seen clearly in this gorgeous fossil.