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This Specimen has been sold.
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5.7" Agatized Ammonite Fossil - Beautiful Preservation
This is a 5.7" wide cut and polished Cleoniceras ammonite fossil from Madagascar. It exhibits gorgeous mineralization within the chambers, each separated by white calcite septa (divisions). This highly polished, exotic ammonite makes a superb display piece with tremendous historical appeal.
Comes with a pair of acrylic display stands.
Comes with a pair of acrylic display stands.
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
Cleoniceras
LOCATION
Ambatolafia, Mahajanga Province, Madagascar
SIZE
5.7" wide (each half)
CATEGORY
SUB CATEGORY
ITEM
#129995
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