Lot Essay
A very large example of this genus.
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MADAGASCAR
Details
A LARGE SPLIT AMMONITE
MADAGASCAR
Cleoniceras sp. from the early Cretaceous (circa 135 million years ago), split and polished to reveal inner chambers of caramel-brown calcite
13½ in. (34cm.) diameter
MADAGASCAR
Cleoniceras sp. from the early Cretaceous (circa 135 million years ago), split and polished to reveal inner chambers of caramel-brown calcite
13½ in. (34cm.) diameter