Harpoceras Ammonite | Germany Struth orthopyroxene exsolution lamella (Fs34

orthopyroxene exsolution lamella (Fs34

which were found together with those of reindeer

size: 11" x 9" x 2

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Harpoceras Ammonite | Germany Struth orthopyroxene exsolution lamella (Fs34Harpoceras 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