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2.3" Polished Agatized/Pyritized Ammonite Fossil Slab - Germany
This is a polished slab from the Holzbachacker clay pit that contains both agatized and pyritized ammonite (Pleuroceras spinatum) fossil segments. It's Jurassic, Pliensbachian stage or approximately 190 million years old. One side of this slab has been left unpolished, revealing the pyrite formations and a small bivalve.
This specimen stands nicely on its own.
This specimen stands nicely on its own.
Ammonites were predatory cephalopod mollusks that resembled squids with spiral shells. They are more closely related to living octopuses, though their shells resemble that of nautilus species. True ammonites appeared in the fossil record about 240 million years ago during the Triassic Period. The last lineages disappeared 65 million years ago at the end of the Cretaceous.
SPECIES
Pleuroceras spinatum
LOCATION
Buttenheim, Bavaria/Germany
FORMATION
Holzbachacker Clay-Pit
SIZE
2.3 x 1.8"
CATEGORY
SUB CATEGORY
ITEM
#125416
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