A ammonite fossil formation

Jurassic Period, 200-145 million years BP. A free-standing matrix with a large Aegasteroceras sp. ammonite fossil from the Frodingham Ironstone Formation. 955 grams total, 12.3cm (5"). From an East An

6 cut and polished ammonite halves to visualize chambers, on cards, 1.5 x 1.25 x 0.25" to 1.25 x 1.0 x 0.25"; 1 entire with label identifying as Hoploscaphite from Fox Hills formation, South Dakota, o

**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

Including ammonites, nautiloids, and Green River fish fossils. 2 1/4" to 6".

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

FOSSIL; AMMONITE PLEUROCERAS SBINATUS (Pyrite Replacement): Lisa Formation, Lower Jurassic Period. Lisa Formation Untersturmig, Germany. Gilded Appearance is Natural from Pyrite. 2" Diameter. (80-160)

SUPERB PRECIOUS GEM AMMOLITEPlacenticeras costatumUpper CretaceousBearpaw Formation, Alberta, CanadaSo beautiful are these rare ammonite fossils that the transformed material of their shell lining has

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

Jurassic Period, 200-145 million years BP. A cut and polished matrix containing a fossil ammonite showing the internal chambers and crystal formation. 562 grams, 13.5cm (5 1/4"). From a Lincolnshire,

Jurassic Period, 200-145 million years BP. An A-grade cut and polished ammonite from Madagascar, showing internal chambers and crystal formation, opalescent lustre to the shell. 18 grams total, 35mm (

Northwestern Europe, England, Weymouth, Lower Oxfordian / Kimmeridgian Formation, Late Jurassic, ca. 163.5 to 157.3 million years ago. A stunning fossil from a carnivorous fish, Thrissops, within a la

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

Oversized Acanthoceras ammonite fossil specimen, on a black rectangular base, apparently unmarked. Approximate Dimensions: overall h. h. 24", w. 14.75", d. 9".

A large ammonite fossil, A large ammonite fossil, on a rectangular stone plinth, 76cm wide 18cm deep 61cm high

Huge double ammonite fossil specimen, Two beautifully preserved fossilized spiral shells on shale, mounted on natural stone base and slate plinth, 17"h x 14"l x 10"w (total), 12"dia x 7"d (larger), 7"

Fossil on stand. Dimensions: H 18" x W 19“ x D 4“ Condition: Few losses and breaks; appears to have repair to crack down center, as shown in photos, more visible on back. Structurally sound, along

A cast stone ammonite shell fossil garden sculpture. Campania, Quakertown PA. 24-1/2in tall x 18in wide.

4pc Rock Mineral Fossil Specimen. Fish Fossil Slab. Petrified Wood. Ammonite Fossil. Jasper? Dimensions: H: 16 inches: W: 11 inches: D: 1.5 inches ---

Large Ammonite Fossil Specimen, median-line cut with quartz crystal inclusions. 13.75" L x 11.5" W x 3" D. Keywords: Fossils, Mineral specimens, Jurassic, Cretaceous

Pattern. An ammonite fossil with a defined suture pattern. Dimensions: 12" l x 10 1/5" w.

**This item is heavy/oversized and will require 3rd party shipping. Please inquire about shipping cost prior to bidding.** Ancient Seas, late Jurassic period, ca. 160 to 154 million years ago. A large

MASSIVE MOROCCAN AMMONITE FOSSIL - 62 LBS Height: 22 in. by Width: 16

A POLISHED AMMONITE FOSSIL FRAGMENT, CIRCA CRETACEOUS/PALEOGENE PERIOD, height: 9", diameter: 13".

Africa, Madagascar, ancient seas, ca. 400 million years ago. A tall group of ammonites and other ancient shells fossilized in a hardened grey matrix. The ammonites range in color from a rich reddish b