Shimmering Fossilized Uncoiled Ammonite (Heteromorph)

Eastern Europe, Russia, Lower Cretaceous period, ca. 117 to 113 million years ago. A superb and aesthetically pleasing fossilized ammonite Ancyloceras genus, with the characteristic partially uncoiled

North Africa, Morocco, Mid-Cretaceous period, ca. 112 to 99.6 million years ago. A superb and aesthetically pleasing fossilized heteromorph ammonite, that was fully excavated- apart from some of the l

North Africa, Agadir, Morocco, mid-Cretaceous period, ca. 112 to 97 million years ago. Heteromorph or "uncoiled" ammonites are a type of cephalopod that are much more rare than typical solid coil ammo

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

Item: Crioceras nolani Age: cretaceous, hauterivian stage Location: Nyons , France Size (fossil): 9.3cm Size (slab): 11.3 x 10.8 cm Weight: 500gr Uncoiled ammonite No Reserve: This lot starts at $1 an

Item: Crioceras nolani Age: Cretaceous, hauterivian stage Location: Nyons , France Size of the Slab: 8.5 x 7.5 cm Size of the fossil: 7.1 cm Weight: 240 gr This is an uncoiled ammonite onto its natura

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

Mounted on rectangular base. [25 3/4 x 18 x 6 inches overall including stand].

Ancient Seas, ca. 400 million years ago. A large fossilized ammonite, an extinct marine mollusk that was related to the living coleoid family, including octopus and squid. The fossilized rock has a cr

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

Fossilized Ammonite Shell14 x 6 inches

Western Europe, late Jurassic period, ca. 160 to 154 million years ago. A large, fossilized ammonite shell in limestone from the Quenstedtoceras genus, known for the tight spiral and ribbed exterior.

Large Fossilized Ammonite Shell. Weight Approx: 45lb Approx. Measurements: 16in x 13in x 6 inches.Domestic Shipping: $55

Excellent specimen

Ancient seas, ca. 400 million years ago. This is a fossilized shell of an ammonite, an extinct marine mollusk that was related to the living coleoid family, including octopus and squid. The fossilized

Excellent specimen

Excellent specimen

Excellent specimen

Excellent specimen

Excellent specimen

Excellent specimen

Excellent specimen

**Originally Listed At $150** Ancient Seas, North America, ca. 400 to 50 million years ago. A petite ammonite of spiraling form with silvery surfaces laden with gorgeous, rainbow-hued iridescence. The

Excellent specimen