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15" Honey-Orange Ammonite (Argonauticeras) - Befandriana, Madagascar
This is not one of your typical Madagascar ammonites, it is a rare Argonauticeras from Befandriana in Northern Madagascar. The chambers are filled with a gorgeous, honey/orange colored agate. It has been sliced in half and polished to reveal the inner chamber detail.
Each half is accompanied by a metal display stand.
Each half is accompanied by a metal display stand.
Ammonites were predatory mollusks that resembled a squid with a shell. These cephalopods had eyes, tentacles, and spiral shells. They are more closely related to a living octopus, though the shells resemble that of a nautilus. True ammonites appeared in the fossil record about 240 million years ago. The last lineages disappeared 65 million years ago at the end of the Cretaceous.
What an ammonite would have looked like while alive.
What an ammonite would have looked like while alive.
SPECIES
Argonauticeras sp.
LOCATION
Befandriana, Northern Madagascar
SIZE
15" wide (each half)
CATEGORY
SUB CATEGORY
ITEM
#241030
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