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The Upstream Progression of Ecosystem Development during the Devonian Transformation via @Devon Gregory Times: http://www.devoniantimes.org/opportunity/upstream.html

The Upstream Progression of Ecosystem Development during the Devonian Transformation via @Devon Gregory Times: http://www.devoniantimes.org/opportunity/upstream.html

Eusthenopteron foordi

Eusthenopteron by dustdevil on DeviantArt

The geological time scale relates the ordering of rocks ("stratigraphy") to time and is used to describe the timing and relationships between events that ...

The geological time scale relates the ordering of rocks ("stratigraphy") to time and is used to describe the timing and relationships between events that .

#Mawsonia, Prehistoric Coelacanth #Fish from the Cretaceous Period of Africa and South America, Compared with 1,8 Meter Tall Person | *Artwork by @Hyrotrioskjan published on #DeviantART.

Mawsonia, Prehistoric Coelacanth Fish from the Cretaceous Period of Africa and South America, Compared with Meter Tall Person

The Azhdarchid/Huanhepterus Lineage | Azhdarchidae [Pterosaurs]

Aurorazhdarcho – Unfortunately, Not Related to Azhdarcho.

From Dorygnathus to Quetzalcoatlus, the Azhdarchid/Huanhepterus clade.

Teraterpeton, an unusual archosauromorph from the Late Triassic of Nova Scotia, Canada (~235-221 mya). Probably around 1m long (3′3″), it was a member of the trilophosaurs, a group of lizard-like archosauromorphs with toothless beaks at the front of...

Teraterpeton, an unusual archosauromorph from the Late Triassic of Nova Scotia, Canada mya). Probably around long it was a member of the trilophosaurs, a group of lizard-like archosauromorphs with toothless beaks at the front of.

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