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4" Phylloceras Ammonite Fossil - England
This is a thick, 4" wide Phylloceras ammonite collected in North Yorkshire, England. This particular specimen has a partially pyritized shell.
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
Phylloceras sp.
LOCATION
North Yorkshire Coast, United Kingdom
SIZE
4" wide
CATEGORY
SUB CATEGORY
ITEM
#42666
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