The Helicoprion is said to have lived during the Carboniferous period and was one of the few creatures able to live through the Permian-Triassic extinction event (‘The Great Dying’). Eventually the Helicoprion went extinct during the Triassic period. The creature had teeth that are very much like a circular saw. It had so many teeth because as new teeth grew, the older teeth were pushed out and into the middle to create the spiral. Length-wise the creature was said to be 10-15 feet.

Top 10 Bizarre Prehistoric Animals

The Helicoprion is said to have lived during the Carboniferous period and was one of the few creatures able to live through the Permian-Triassic extinction event (‘The Great Dying’). Eventually the Helicoprion went extinct during the Triassic period. The creature had teeth that are very much like a circular saw. It had so many teeth because as new teeth grew, the older teeth were pushed out and into the middle to create the spiral. Length-wise the creature was said to be 10-15 feet.

Depictions of prehistoric animals by Dutch brothers Alfons and Adrie Kennis. Beautiful textures, shapes, backgrounds.

Depictions of prehistoric animals by Dutch brothers Alfons and Adrie Kennis. Beautiful textures, shapes, backgrounds.

Smilodon, is an extinct genus of machairodont felid. It is perhaps the best known saber-toothed cat . Smilodon went extinct 10,000 years ago.

Smilodon, is an extinct genus of machairodont felid. It is perhaps the best known saber-toothed cat . Smilodon went extinct 10,000 years ago.

Whalevolution: A Brief History of Whale Evolution

Whalevolution: A Brief History of Whale Evolution

Evolutionary Psychology,Evolutionary Biology,Extinct Animals,Prehistoric Animals,Marine Biology,Prehistory,Zoology,Mammals,Paleo

6,682 To se mi líbí, 55 komentářů – Jurassic World Spain (@jurassic_world_2015_spain) na Instagramu: „Tyrannosaurus Rex (Creado por @michael_vincent_art ) #jurassicjune #jurassicworld2 #jurassicworld…“

6,682 To se mi líbí, 55 komentářů – Jurassic World Spain (@jurassic_world_2015_spain) na Instagramu: „Tyrannosaurus Rex (Creado por @michael_vincent_art ) #jurassicjune #jurassicworld2 #jurassicworld…“

Top 10 Terrifying Prehistoric Sea Monsters - Dunkleosteus

Top 10 Terrifying Prehistoric Sea Monsters

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