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7" Plate of Ammonite (Deshayesites & Audouliceras) Fossils
This is a beautiful pair of ammonite fossils from the Lower Cretaceous deposits of Saratov, Russia. The specimen includes a partial heteromorph ammonite of the species Audouliceras matherioanum and a complete ammonite of the species Deshayesites imitator (3.6" wide). The base of the rock has been cut flat for an aesthetic, free-standing presentation, or it can be displayed on the accompanied acrylic display stand.
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
Deshayesites imitator & Audouliceras matherioanum
LOCATION
Saratov, Russia
SIZE
Deshayesites Ammonite: 3.6" wide, Entire specimen: 7 x 4.65"
CATEGORY
SUB CATEGORY
ITEM
#243279
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