Harpoceras Ammonite | Germany Struth and humid environments

and humid environments

include 10 modern species

The Edmontosuarus annectens predators were the Tyrannosaurus

Whether they persisted until this catastrophic event or succumbed to earlier environmental shifts remains a subject of ongoing paleontological investigation

This stunning crystal has many beautiful and large terminated points

Harpoceras Ammonite | Germany Struth and humid environmentsHarpoceras sp. Early Jurassic (180 MYO) Posidonia Shale Holzmaden, Germany Ammonite approx. size: 9" x 7. 75" Plate approx. size: 11. 75" x 10. 75" This Harpoceras ammonite from the Posidonia Shale in Holzmaden, Germany has been compressed on black slate and is partially pyritized. Ammonoids are a group of extinct marine mollusk animals in the subclass Ammonoidea of the class Cephalopoda. These mollusks, commonly referred to as ammonites, are more