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Fossil Jurassic Ammonite (Asteroceras) Cluster - Dorset, England
This is a beautifully preserved cluster of Asteroceras ammonite fossils from the Lyme Regis region of England. There are three complete ammonites spread out across the rock, the largest of which measures 2.85" wide. Parts of these ammonites were naturally replaced with calcite which fluoresces white, yellow, or green under short-wave UV light. A very cool association and an excellent display piece.
A display stand will accompany the specimen to assist with presentation. There are some spots of restoration on the two smallest ammonites.
A display stand will accompany the specimen to assist with presentation. There are some spots of restoration on the two smallest ammonites.
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
Asteroceras sp.
LOCATION
Charmouth, Lyme Regis, Dorset, England
FORMATION
Lower Lias, Obtusum Zone
SIZE
Largest Ammonite 2.85" wide. Entire specimen 9.2 x 6.4"
CATEGORY
SUB CATEGORY
ITEM
#265208
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