4.9" Triassic Ammonite (Ceratites) Fossil - Germany

This is an unusual, Middle Triassic ammonite (Ceratites dorsoplanus) from the Muschelkalk Formation in Germany. It's 4.9" across and has been prepared almost entirely free of the rock that it was found in. It comes from an old collection and has some ID numbers written in pen on the back.

Comes with an acrylic 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.

Ceratites dorsoplanus
Schwabisch Hall, Germany
Muschelkalk Formation
Ammonite 4.9" across
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