1.55" Ammonite (Pleuroceras) & Bivalve Fossil in Rock - Germany

This is an ammonite (Pleuroceras spinatum) and bivalve fossil collected from the Holzbachacker clay pit near Buttenheim, Bavaria/Germany. It's Jurassic, Pliensbachian stage or approximately 190 million years old. Most of the surrounding rock has been removed to expose this ammonite. One edge of the remaining rock has been cut flat to allow for aesthetic presentation without the need for a display stand.

Ammonites were predatory mollusks that resembled a squid with a shell. These cephalopods had eyes, tentacles, and spiral shells. They are more closely related to a living octopus, though the shells resemble that of a nautilus. True ammonites appeared in the fossil record about 240 million years ago. The last lineages disappeared 65 million years ago at the end of the Cretaceous.

What an ammonite would have looked like while alive.
What an ammonite would have looked like while alive.


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DETAILS
SPECIES
Pleuroceras spinatum (ammonite)
LOCATION
Buttenheim, Bavaria/Germany
FORMATION
Holzbachacker Clay-Pit
SIZE
1.55" wide ammonite on 3.4 x 2.7" rock
ITEM
#125427
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