Ammonites
ammonites — pre-owned
Browse 2,311 ammonites — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.
91MM Perisphinctes Ammonite Fossil Nautilus Madagascar Jurassic Age COA
Perisphinctes Ammonite. Phylogenetically related to extant Nautiloidea, ammonites represent a distinct lineage that underwent mass extinction at the K-Pg boundary. Location: Near Sakaraha, Tulear Province, Madagascar.
20 Top Quality Iridescent Ammolite Ammonite Fossil, Mahajanga, Madagascar
20 Top Quality Iridescent Ammolite Ammonite Fossil, Mahajanga, Madagascar You wont this many and this quality this cheap.
You save $28.00
Large moroccan Ammonite With Stand. Color Enhanced.
This large Moroccan Ammonite with a stand is a unique and eye-catching collectible piece. The color enhancement adds a vibrant touch to the already stunning Ammonite fossil, making it a standout display item. Originating from Morocco, this fossilized mollusk is sure to be a conversation starter in any collection or as a decorative piece in a home. Its intricate design and history make it a valuable addition to any rock, fossil, or mineral enthusiast's collection.
Large Polished Ammonite Fossil 7" Madagascar Cut & Polished Display Specimen
Large polished ammonite fossil half, expertly cut and polished to reveal internal chamber structure. • Type: Ammonite fossil (extinct marine cephalopod). • Origin: Likely Madagascar. Excellent condition with natural inclusions typical of fossil material.
Aturia sp. Nautilus Ammonite Fossil Eocene lot Mollusk
Aturia size: 39 mm max. Age: Eocene. Location: Boujdour, Southwest Morocco.
Natural Polished Orthoceras Fossil Visible Specimen Rock 7lbs
Must be in original condition received . The JIROMYHERO Group Promise 100% authentic!
Cedaria minor Middle Ordovician trilobite collection resolution 1213 Utah
Bezeichnung : Cedaria Minor. Trilobiten - Sammlung - Auflösung. Größe Trilobite : 9x13 mm + Teile. Wir lösen eine Sammlung aus über 500 Trilobiten auf. Größe Stein : 40x75 mm. Fundort : Utah, USA.
Ammonite 6" x 4.25" Polished Fossil Specimen with Stand
6" x 4.25". The fossil is polished on the front & on the sides-not on the back.
2 Ammonite Fossils (2 Pieces) & Snake Specimen Display Set + Preserved Mushroom
This lot includes 2 ammonite fossils, 1 snake specimen, and a mushroom in preservation fluid. Thank you for visiting The McGee Merchant.
SUPER RARE Sliced Framed BLACK AMMONITE Lot Dinosaur Era Fossil One Per Order
Ammonites are cephalopods, like squid and octopi, except they had shells. Ammonites lived from 416 million years to 65 million years ago when they went extinct with the dinosaurs. An Ammonite’s shell is made up of individual chambers separated by a thin wall.
Large 375g, 6in. Super High Quality Ammonite Madagascan Fossil 416 Million Old
large 375g, 6-inch super high quality Ammonite Madagascan fossil, approximately 416 million years old. This fossil is a unique and rare find that showcases the intricate craftsmanship of nature over millions of years. Its size and quality make it a striking piece for collectors or as a decorative item in a home. With its ancient origin and unique beauty, this Ammonite fossil is sure to be a conversation piece for any enthusiast of natural history and geological artifacts.
RARE AMMOLITE AMMONITE Dinosaur Era Fossil Gem Stone Shell 2.1 Inches
Ammolite is an opal like gemstone made from Ammonite fossil shells found in specific areas of the eastern slopes of the Rocky Mountains. It's status as a gemstone is fairly recent, being officially designated as such in 1981.
Larger! Split and Polished AMMONITE Fossil PAIR 100% Natural Madagascar 209gr
Hello, here is a Larger! very Nice and 100% natural Cleoniceras Ammonite fossil that has been cut in half and highly polished! 4" or 9.92cm at its biggest or from opposing side to side and TWO Display STANDS are included.
Rare Large Natural Ammonite Fossil Steinkern Specimen Prehistoric Marine 8 Inch
This product is a rare and large natural ammonite fossil specimen, specifically the steinkern (internal mold) of an ammonite, measuring approximately 8 inches in size. These prehistoric marine fossils are highly sought after by collectors due to their unique and intricate designs. The ammonite fossil is a piece of history from the ancient ocean, providing insight into the evolution of mollusks and the geologic history of the area where it was found. Its size and rarity make it a valuable addition to any collection.
Large Cut & Polished Ammonite Fossil Split Sliced In Half Possibly Madagascar
Large Cut & Polished Ammonite Fossil Split Sliced In Half Possibly Madagascar
You save $7.50
Large Polished Ammonite Fossil Dish/Bowl – Natural Suture Pattern
Stunning natural ammonite fossil (~200+ million years old), professionally cut and polished into a decorative dish with a carved-out well, perfect for a coaster, catch-all, jewelry dish, or display piece.
Big! 111 Million Year Old! Polished White Ribbed AMMONITE Fossil w Stand 270gr
Hello, here is a Big! very well defined and POLISHED 100% natural White Ribbed Aulacosphinctoides Ammonite fossil that was quarried in the Mahajanga River Basin, near the village of Ambatolafia, Northeast Madagascar.
Ammonite fossil Cleoniceras Iridescent 2.65" Cretaceous Madagascar COA 7475
Here is a total genuine fossil ammonite, species Cleoniceras from Ambatoiafia, Madagasgar. From the Cretaceous, the last age of the Dinosaur. We are happy to enclose a COA (Certificate of Authenticity).
Little Split and Polished NAUTILUS Fossil 100% Natural Madagascar 4.17
Hello, here is a little very Nice and 100% natural Cymatoceras sp. NAUTILUS fossil that has been cut in half and highly polished! It hasvery well defined chambers and BOTH sides are included!
Fossil Ammonite Iridescent Rainbow 8 Inches Cretaceous Madagascar
Fossil Ammonite Iridescent Rainbow 8 Inches Cretaceous Madagascar. This has not been polished or cleaned up.It still has some of the matrix on it
Very RARE! 100% Natural Polished Cretaceous Era NAUTILUS Fossil Madagascar 197gr
It has very well defined and Contrasting colored Chambers and dates from the Early Cretaceous period, Albian Age Era a CRAZY! 100 to 113 Million Years Ago! Hello, here is a THICK and RARE! 100% natural Cymatoceras sp.
Real Goniatite Ammonite Fossil Pendant Necklace Button Carved Morocco Devonian
Genuine Polished Moroccan Goniatite Fossil Pendant. Ancient History: Dates back to the Devonian period, making this fossil roughly350 to 400 million years old. Up for sale is a beautiful, 100% genuineGoniatite fossil pendant.
Ammonite Fossil 4" Polished – Madagascar Style – Strong Suture Detail
Condition:Excellent; smooth surface with crisp suture detail. Polished Ammonite Fossil – Madagascar Origin – Natural Nautilus Shell Pattern. Type:Ammonite fossil (Cephalopod).
Aturia sp. Nautilus Ammonite Fossil Eocene lot Mollusk
Aturia size: 45 mm max. Age: Eocene. Location: Boujdour, Southwest Morocco.
Larger! 111 Million Year Old! White Ribbed AMMONITE Fossil With Stand 121gr
Hello, here is a Larger! very well defined and 100% natural White Ribbed Aulacosphinctoides Ammonite fossil that was quarried in the Mahajanga River Basin, near the village of Ambatolafia, Northeast Madagascar.
Ammonite Chalcedony Mineral Fossil Cretaceous Coniacian Morocco 69 mm No. 2552
Age: Late Cretaceous (Coniacian). Location: North of Taroudant, Morocco.
Pleuroceras Pyrite Ammonite Fragment Fossil Germany Jurassic 49 mm Mollusk
Age: Jurassic (about 190 million years). I never use phosphoric acid or hydrochloric acid to remove the outer layer of pyrite ammonites. I know this from my own early experience. Polished pyrite ammonites are much more durable when properly protected.
Big! 111 Million Year Old! Polished White Ribbed AMMONITE Fossil w Stand 295gr
Hello, here is a Big! very well defined and POLISHED 100% natural White Ribbed Aulacosphinctoides Ammonite fossil that was quarried in the Mahajanga River Basin, near the village of Ambatolafia, Northeast Madagascar.
Abalone Inlay Ammonite Fossil Energy Spiral with Rainbow Spiritual Décor & Gift
• Ammonite Fossil Energy: Ammonites, over 65 million years old, are believed to hold Earth’s evolutionary wisdom. Their spiral shape symbolizes continual growth, cycles of life, and grounding energy.
Large Orthoceras Nautiloid Fossil Slab Multiple Specimens w/ Display Stand 11”
A striking piece of natural history featuring multiple longitudinal orthocone (straight-shelled) nautiloid fossils exposed in dark limestone matrix. These extinct cephalopods, related to modern squid and nautilus, swam ancient seas hundreds of millions of years ago. The slab shows several polished fossil sections with excellent contrast against the stone, plus natural calcite veining throughout. Measures approximately 9” x 8” (see photos with ruler for scale). A great specimen for display, a fossil collection, or as a natural history conversation piece. Ships securely.
Fossilized Coral Reef Cluster 7x5x4.5 Natural Display Specimen Ocean Decor
Amazingfossilized coral cluster with a dramatic natural reef structure and incredible texture throughout. It has a rugged sculptural look from every angle, making it an eye-catching piece for a fossil collection or coastal natural history display.
Beautiful Whole 4.21 lb.-1,905 gr. Goniatite Ammonite Fossil 7x6x3in #235
Texas Cretaceous Fossil Mortoniceras Ammonite 7"
Found this ammonite in North Texas a while back. I’m currently cleaning up my inventory to make space for new fossils. If you have any questions or would like more photos feel free to message me.
Aturia sp. Nautilus Ammonite Fossil Eocene lot Mollusk
Aturia size: 54 mm max. Age: Eocene. Location: Boujdour, Southwest Morocco.
Polished Ammonite Fossil Half Iridescent Shell Madagascar 2.1 oz
Attractive polished ammonite fossil half displaying strong internal chamber structure and natural iridescence. • Type: Ammonite Fossil (Half Shell). A solid example of a decorative and collectible ammonite with both scientific and aesthetic appeal.
1 Large Orthoceras Fossil #2457
Orthoceras Fossil . For sale in this lot is one, very large. These are great for all your crafting needs or just to. These are a product of nature. As such they will be one. Any orders. Sorry but due to the.
Miraspis Mira Silur trilobite collection resolution 1060 Bohemia
Bezeichnung : Miraspis Mira. Alter : Silur, 426 Millionen Jahre. Trilobiten - Sammlung - Auflösung. Größe Trilobite : 14x20 mm. Wir lösen eine Sammlung aus über 500 Trilobiten auf. Größe Stein : 60x37 mm.
Petrified Oyster Shell Fossil from East Tennessee 10” 10 lbs
Found in east TN Blount Co area huge petrified oyster ! 10lbs 3.2oz @ 10” in length beautiful example showing the Appalachian Mountains were once under water!
Large Pyritized Ammonite Fossil _ Polished/Metallic _ Crystal _ Specimen _ Shell
This is a beautiful large sized pyritized ammonite. A rare and striking fossil. Has a dark "pewter/silver" finish.
13.03lb. 5910g Jade Goat Horn Crystal Conch Ammonite Fossil #57
The stand the ammonite is sitting on I made from a yoga brick. I made a depression in the brick for the ammonite to sit in to. The yoga brick is included with the ammonite. 5910 grams.