4" Triassic Ammonite (Ceratites Praenodosus) - Germany

This is an 4" specimen of a Middle Triassic ammonite (Ceratites praenodosus). It comes from the the Muschelkalk Formation in Germany. It was found inside of a hard concretion and has been nicely prepared with mechanical tools. The base of the rock has been cut flat so that it stands up nicely 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
Ceratites praenodosus
LOCATION
Lindbach, Bavaria, Germany
FORMATION
Muschelkalk Formation
SIZE
Ammonite 4" across
ITEM
#131936
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