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3.8" Jurassic Ammonite (Macrocephalites) Fossil - France
This is a very beautiful, 3.8" wide Macrocephalites sp. ammonite from a location nears Tours, France. This Jurassic aged ammonite has been mostly prepped free from the rock that it was found in, however a large section of rock has been left attached and cut flat for presentation purposes. There are small unidentified fossil bivalves and ammonites scattered throughout the rock.
About Ammonites
Ammonites were ancient marine cephalopods, similar to today's squids and octopuses, but with a defining feature: their distinctive, tightly coiled spiral shells. These shells, resembling those of modern nautiluses, served as both a protective home and a buoyancy aid, allowing ammonites to navigate the prehistoric seas with ease. First emerging around 240 million years ago in the Triassic Period, ammonites thrived for over 175 million years, adapting through numerous forms and sizes. As predatory creatures, they likely fed on smaller marine organisms, using their tentacles to capture prey. However, their long reign came to an end 65 million years ago at the close of the Cretaceous, coinciding with the mass extinction event that also eliminated the dinosaurs.
What an ammonite would have looked like while alive.
Ammonites were ancient marine cephalopods, similar to today's squids and octopuses, but with a defining feature: their distinctive, tightly coiled spiral shells. These shells, resembling those of modern nautiluses, served as both a protective home and a buoyancy aid, allowing ammonites to navigate the prehistoric seas with ease. First emerging around 240 million years ago in the Triassic Period, ammonites thrived for over 175 million years, adapting through numerous forms and sizes. As predatory creatures, they likely fed on smaller marine organisms, using their tentacles to capture prey. However, their long reign came to an end 65 million years ago at the close of the Cretaceous, coinciding with the mass extinction event that also eliminated the dinosaurs.
What an ammonite would have looked like while alive.
SPECIES
Macrocephalites sp.
AGE
LOCATION
Near Tours, France
SIZE
3.8" Ammonite, 6 x 4.9" entire specimen
CATEGORY
SUB CATEGORY
ITEM
#129528
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