7.3" Tall Concretion with Ammonite (Eleganticeras) Fossils - England

Here is a 7.3" tall concretion that's filled with Eleganticeras elegantulum ammonite fossils from Whitby, England. These well preserved ammonites are Jurassic in age and are found in hard concretions that must be split open to reveal the fossils. Additional rock has been removed to expose the fossils and one edge has been cut flat for presentation purposes.

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.

What an ammonite would have looked like while alive.
What an ammonite would have looked like while alive.
Eleganticeras elegantulum
Sendsend, North Whitby, North Yorkshire, England
Falciferum Zone
7.3 x 5" Concretion. Largest ammonite 1.05" wide
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