Ammonites
ammonites — pre-owned
Browse 2,066 ammonites — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

100 Top Quality Whole Rainbow Iridescent Ammonite Fossil, Mahajanga, Madagascar
50 Top Quality Superb Whole Natural Iridescent Ammonite, Mahajanga, Madagascar.

Large Giant Ammonite Fossil Real 13lbs 14oz collectible ancient
This collectible mollusk fossil is a striking addition to any collection, showcasing the beauty and history of ancient marine life. bought this fossil about 20 years ago at the mineral show in Quartzite AZ.

Texas Cretaceous Fossil Ammonite Rare Real 10.4LBS 10LBS 9x8x4 Great Definition
Texas Cretaceous Fossil Ammonite Rare Real 10.4LBS 10LBS 9x8x4 Great Definition

Rare 19.26lb. 8,740g. Whole Goniatite Ammonite Fossil 11.5x9.25x4.25 in. #231
Item # 231. (292.10 x 234.95 x 107.95mm). I have owned this Goniatite many years.

Opalized Ammonite Fossil Specimen Invertebrate Marine Animals Large 1.5"
Opalized Ammonite Fossil Specimen ~ A beautiful example of the Fibonacci spiral exhibiting itself in nature, the Ammonite is a shelled nautilus that was part of a now extinct group of invertebrate marine animals. We were FINALLY able to restock a few more of these beauties - but they'll be fleeting I'm sure! These Opalized Ammonite specimens from Madagascar have a beautiful iridescent rainbow sheen. This natural opalization is a rare effect that is sometimes seen on these ancient fossils. You can expect that these Ammonite fossils may have chips or small abrasions, a normal characteristic of these natural specimens. This listing is for ONE (1) intuitively chosen crystal. Each piece has been handpicked and examined for quality.
You save $9.08

Mystery bag of random fossils from Virginia **Please Read!**
Perfect for history enthusiasts, collectors, and educators for display or as a classroom activity. Sift n' Shovel Relics.

Two Fossil Scaphites Ammonite Pierre Shale, Todd Co., South Dakota
The product is a Two Fossil Scaphites Ammonite found in Pierre Shale, Todd Co., South Dakota, United States. This rare and unique fossil is a type of mollusk that existed millions of years ago, making it a valuable addition to any collection of rocks, fossils, and minerals. The presence of Baculite in the Pierre Shale adds to the significance of this find, making it a desirable item for collectors and enthusiasts of ammonites.

Larger Split and Polished AMMONITE Fossil Madagascar 169gr
Hello, here is a very Nice and 100% natural Cleoniceras Ammonite fossil that has been cut in half and highly polished! 3 5/8" or 9.1cm at its biggest or from opposing side to side and TWO Display STANDS are included.

10 Top Quality Whole Rainbow Iridescent Ammonite Fossil, Mahajanga, Madagascar
10 Top Quality Superb Whole Natural Iridescent Ammonite, Mahajanga, Madagascar.

8lb 14oz Awesome nautilus Natural ammonite fossil Specimen from Madagascar
This beautiful NAUTILUS weighs over 8lbs 14ozs. The fossil nautilus in the photos is the exact fossil nautilus you will receive.

Large Polished Orthoceras & Ammonites Fossil Plaque 25 Lbs.
With Lucite Stand- 20” x 12.5”.

1 Large Orthoceras Fossil #1254
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.

100 Top Quality Whole Rainbow Iridescent Ammonite Fossil, Mahajanga, Madagascar
50 Top Quality Superb Whole Natural Iridescent Ammonite, Mahajanga, Madagascar.

A Striking Baculite/Ammonite/Rare/iridescent/opalized Gem/ Ancient Fossil
The product is a striking piece of Baculite, an ancient fossil related to ammonites. This rare and iridescent gem-like fossil is opalized, giving it a unique and beautiful appearance. I found this piece in western ElPaso County, Colorado, in the Pierre Shale formation. Perfect for collectors of rocks, fossils, and minerals, this piece offers a glimpse into the prehistoric world and adds a touch of natural beauty to any collection.

Beautiful 4.70lb-Goniatite Ammonite Fossil 11x10x3
Known for their intricate spiral shapes, Goniatite Ammonites were ancient mollusks that lived in the seas covering the world millions of years ago. This beautifully preserved fossil would make a fascinating addition to any collector's display, showcasing the beauty and history of prehistoric marine life.

50 Top Quality Whole Rainbow Iridescent Ammonite Fossil, Mahajanga, Madagascar
50 Top Quality Superb Whole Natural Iridescent Ammonite, Mahajanga, Madagascar. Total weight is 11oz.

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.

Fossil Scaphites Ammonite Pierre Shale, Todd Co., South Dakota
The product is a Fossil Scaphites Ammonite found in Pierre Shale, Todd Co., South Dakota, United States. This rare and unique fossil is a type of mollusk that existed millions of years ago, making it a valuable addition to any collection of rocks, fossils, and minerals. The presence of Baculite in the Pierre Shale adds to the significance of this find, making it a desirable item for collectors and enthusiasts of ammonites.

Sphenodiscus Lenticularis Ammonite Cretaceous Fox Hills Formation SD
The fossil in the scan will be what you'll receive. Absolutely no repairs or restorations. All of my fossils on ebay are from my private collection.

Orthoceras polished Fossil plate approx 8 in x 9 1/2 in and 3 lbs 7.4 oz
See photos.

Ammonite Half
Ammonite half, as shown

Hand Carved Ammonite Orthoceras Fossil Bowl Ashtray Trinket Jewelry Tray 7”
This hand-carved Ammonite Orthoceras Fossil Bowl Ashtray Trinket Jewelry Tray is a unique and decorative piece for any collector or lover of natural history. The 7-inch size makes it a stylish addition to any desk, vanity, or shelf, while the intricate carving of Ammonite and Orthoceras fossils adds a touch of the past to any space. Perfect for storing small jewelry items or as a functional ashtray, this piece is both practical and beautiful, making it a versatile addition to any collection. It has natural cracks We use USPS and FedEx to ship. We use mostly recycled boxes to reduce waste at our landfills.

Cut and Polished AAA Cleoniceras AMMONITE Fossil Madagascar 78.2gr
Hello, here is a 100% natural Cleoniceras Ammonite fossil that has been cut in half and highly polished on both sides! It has very well defined chambers with semi translucent Calcite Crystals and a few little Hollow spots with Calcite Crystals!

Orthoceras polished Fossil plate approx 7 in x 9 in and 3 lbs 11 oz
See photos.

Ammonites Fossils On Matrix Morocco
Ammonites and other fossilized animals on matrix from Morocco 14 cm x 8 cm x 2 cm

Virginia Fossil Grab Bag - Richmond, Va
This collection includes a good variety of common fossils found along the tidal rivers making this a unique and sought-after item for collectors interested in the geological history of the region.

Multiple Pyritized Ammonites fits together in one spot Germany COA 7340
Together, they are about 2.59" (65.8 mm). The gorgeous "golden" color of the pyritized ammonite is real, not painted. We are happy to enclose a COA (Certificate of Authenticity). It is the easiest way for you to look us up in the future.

Oak Leaf Sutures Ammonite Warm Butterscotch Yellow Brown Fossil 100+ MY Old
This Cleoniceras Ammonite from the east African island nation of Madagascar is in superb condition with skilled handling bringing it to this point. The oak leaf sutures are very intricate and detailed.

Orthoceras polished Fossil plate approx 8.5 in x 9.5 in and 4 lbs 9.5 oz
Originating from Morocco, this fossil plate features beautifully polished Orthoceras shells that are millions of years old. Collectors and enthusiasts of fossils and rocks will appreciate the unique and intricate designs of these ancient mollusks.

3 Ammonite Fossil Real 8 lbs collectible ancient
The product is a set of three Ammonite fossils, weighing a total of 8 lbs, total originating from the United States. These ancient mollusk fossils are highly sought after by collectors and enthusiasts for their unique and fossilized appearance.

Beautiful Whole 4.21 lb.-1,905 gr. Goniatite Ammonite Fossil 7x6x3in #235

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.

Large 7" Polished Orthoceras Fossil Specimen - Morocco 400MYO Prehistoric Decor
In very good condition, shows minor wear around bottom base. -Colors may vary due to lighting and screen settings.
You save $3.50

13 POLISHED GONIATITES AMMONITE FOSSIL SPECIMENS BUTTONS 2" JEWELRY HARDWARE
These are polished fossil goniatite buttons. Great to collect, jewelry making or hardware nobs.

50 Top Quality Whole Rainbow Iridescent Ammonite Fossil, Mahajanga, Madagascar
50 Top Quality Superb Whole Natural Iridescent Ammonite, Mahajanga, Madagascar. Total weight is 15oz.

Rare PSILOCERAS IRIDESCENT AMMONITE Fossil .86 Inches Jurassic Dinosaur Era
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.

Large Polished Ammonite Fossil Brown Spiral Shell Display
This product is a large polished Ammonite fossil displaying a brown spiral shell. It is a unique and collectible item that showcases the intricate beauty of ancient sea creatures. The polished finish highlights the detailed spiral structure of the Ammonite shell, making it a stunning display piece for any fossil or rock enthusiast. This Ammonite fossil would make a great addition to any collection or a wonderful gift for someone interested in natural history and unique artifacts.

Larger! Cut and Polished AAA Cleoniceras AMMONITE Fossil Madagascar 218gr
Hello, here is a larger! Nice and 100% natural Cleoniceras Ammonite fossil that has been cut in half and highly polished! It has very well defined chambers and BOTH sides are included!

Ocean Jasper Orbicular Jasper Slice Natural Madagascar Eye Pattern
Ocean Jasper Orbicular Jasper Slice Natural Madagascar Eye Pattern

Sea bottom fossil cluster. Displays well from every angle.
This product is a sea bottom fossil cluster that displays well from every angle. It likely contains ammonites and other mollusk fossils, making it a valuable addition to any collection of rocks, fossils, and minerals. The diverse and unique nature of sea bottom fossils adds to the appeal of this item for collectors and enthusiasts alike.