Uncommon fossil specimen - high-quality ammonite Macrocephalites - Fossil fragment - Rare Fossil Item - 310 mm - 250 mm





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Rare Fossil Item from Madagascar, an uncommon ammonite Macrocephalites specimen with natural condition, dating to the Lower Cretaceous (about 145–100.5 million years ago), weighing 9.6 kg and measuring 310 × 250 × 120 mm.
Description from the seller
Ammonite Macrocephalites
This extraordinary Macrocephalites ammonite from Madagascar is an exceptionally well-preserved specimen that captures attention for its beauty and details. The shell, of considerable size, features a globular shape and a spire coiled clockwise, typical of the Macrocephalites genus.
The chambers of the shell are separated by curved walls connected by a central siphon, as is typical of ammonites. This particular specimen is known for its elaborate ornamentation. Its walls are adorned with a series of broad, regular ribs that extend from the base to the apex of the shell. These ribs are interspersed with thin grooves that create a fascinating contrast with the smooth surface of the shell.
This fossil is a precious testament to ancient marine life in Madagascar, providing scholars with important information about the Jurassic fauna of that area. Its beauty and uniqueness make this specimen a true treasure for paleontology enthusiasts and fossil lovers.
Seller's Story
Ammonite Macrocephalites
This extraordinary Macrocephalites ammonite from Madagascar is an exceptionally well-preserved specimen that captures attention for its beauty and details. The shell, of considerable size, features a globular shape and a spire coiled clockwise, typical of the Macrocephalites genus.
The chambers of the shell are separated by curved walls connected by a central siphon, as is typical of ammonites. This particular specimen is known for its elaborate ornamentation. Its walls are adorned with a series of broad, regular ribs that extend from the base to the apex of the shell. These ribs are interspersed with thin grooves that create a fascinating contrast with the smooth surface of the shell.
This fossil is a precious testament to ancient marine life in Madagascar, providing scholars with important information about the Jurassic fauna of that area. Its beauty and uniqueness make this specimen a true treasure for paleontology enthusiasts and fossil lovers.

