12" Fossilized Ammonite Polished Quartzite Formations

East Africa, Madagascar, Cretaceous period, ca. 145 to 66 million years ago. A superb, fossilized ammonite of the Cleaniceras genus, the tightly coiled shell is fully excavated from the sediment and p

**Originally Listed At $350** Ancient Seas, Triassic to Cretaceous Period, ca. 242.5 to 65.5 million years ago. This is a partial ammonite fossil that has been cut to reveal the fascinating interior w

Lot of fossils, including fossilized tree specimens, polished and unpolished ammonite, clam and other shells. Largest tree specimen 12 1/2"L, ammonite 3"-diameter (3 7/8"H total).

Africa, Madagascar, late Cretaceous, ca. 71 million years ago. A collection of 54 pairs or 108 individual fossilized ammonite shells that have been professionally sliced in half then polished on one s

Beautiful fossilized polished ammonite of a light color, in excellent condition. Ammonites were predatory mollusks that resembled a squid with a shell. These cephalopods had eyes, tentacles, and spira

Excellent specimen

Very Large Fossilized Polished Ammonite. Size: 10 1/2 x 9 1/2 x 5 in. #2175

Excellent specimen

Excellent 250m+ year old specimen

Polished Fossilized Ammonite Display Specimen Collected probably from Madagascar, very nice polished patination The largest measures approx 3.5" in diameter, down to 2.5"

prehistoric, large grouping of fossilized nautilus and orthoceras shells encased in rock matrix, with acrylic stand, 26 x 16 in. - Provenance: Collection of Sandra Manheimer, Cary, North Carolina

Sterling pendant with cut and polished fossilÊ ammonite. 12.21 grams total weight.

Large Fossilized Orthoceras & Ammonite Plate. Origin Morocco. Polished top with raised fossils, flate base. Measures 13x12x1". Excellent condition.

An Ammonite Nautilus Fossil. Madagascar polished nautilus shaped ammonite 12" x 9.5"

Jurassic Period, 199-145 million years BP. A cut and polished ammonite with crystal formations in the cavities, from Madagascar. 705 grams, 15cm (6"). Property of a London lady; by inheritance; former

Fossil Ammonite Split/Polished Madagascar 12"

An Ammonite Nautilus Fossil. Madagascar polished nautilus shaped ammonite 15" x 12"

An Ammonite Nautilus Fossil. Madagascar polished nautilus shaped ammonite 15" x 12"

An Ammonite Nautilus Fossil. Madagascar polished nautilus shaped ammonite. 15" x 12".

Ancient seas, Paleozoic period. ca. 400 million years ago. A gorgeous and large ammonite fossil with shimmering iridescence. The shell is nicely preserved, and the creamy white surface is polished to

Ancient Seas, North America, Paleozoic period. ca. 400 million years ago. A vibrant and large ammonite fossil that has opalized and developed shimmering iridescence from ammolite formations. The shell

DESCRIPTION: A large Prehistoric fossilized ammonite specimen.CIRCA: PrehistoricORIGIN: ContinentalDIMENSIONS: H:10" x W:2.5" x L:12.5"CONDITION: Great condition. See lot description for details on it

North America, Canada, Alberta, Bearpaw formation, late Cretaceous, ca. 71 million years ago. A beautiful ammonite fossil has formed a fiery iridescence across the surface known as ammolite- an exceed

North America, United States, South Dakota, Pennington County, Cheyenne River, Pierre Shale Formation, Lower Cretaceous, 100.5 to 66 million years ago. A superb, fossilized ammonite of the Placenticer