Other Mollusk Fossils
other mollusk fossils — pre-owned
Browse 39 other mollusk fossils — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Ammonite Fossil Sea Shell Nautilus Polished
This listing is for a Ammonite fossil that has been polished. The rock measures 6 1/2 inches by 5 inches. It looks like there is a crack and some areas that have been filled in. Please look closely at the photos and feel free to ask if you have any questions.

11.25”x7.30” Hand Carved Oval Fossil Plate Orthoceras & Ammonite Fossil 400 Mil
Hand Carved Oval Fossil Plate Orthoceras & Ammonite Fossil 400 Million years old.

Orthoceras Fossil Specimen in Matrix
The Orthoceras Fossil Specimen in Matrix is a unique and collectible piece that showcases the intricate fossilized remains of an ancient mollusk. Encased in a matrix, this specimen offers a glimpse into the prehistoric world, making it a sought-after item for collectors and enthusiasts of fossils. Displaying the intricate spirals and patterns of the Orthoceras, this piece is a beautiful and historic addition to any collection.

Polished Tan Stone Decorative Egg w Stand Made In Japan
This polished tan stone decorative egg with stand is a unique and elegant piece that is sure to catch the eye. Its mollusk fossil design adds a touch of natural beauty to any space, making it a perfect collectible for those who appreciate rocks, fossils, and minerals.

Orthoceras Fossil Specimen Statue Tower Outdoor Decoration #2
This listing is for Orthoceras Fossil Specimen Statue Tower Outdoor Decoration #2. Please refer to all photos for more details as they are the best part of the description. Photos are of the actual item that you will receive.
You save $5.10

4 Fossilized False Ark Shell Clams - Cucullaea Gigante
The product is a set of four fossilized false ark shell clams, 3 - 2 1/2” 1-2” specifically the species Cucullaea Gigante. Originating from the United States, these shells offer a unique addition to any collection of mollusk fossils. With their distinct shape and historical significance, these clams provide a glimpse into the ancient marine ecosystems of the region.

Fossil Belemnite Rostrum Acrocoelites 3.9" Jurassic Holzmaden Germany COA 7216
Here is a fossil Belemnite Rostrum, from the Jurassic, Posidonia Shale, Holzmaden, Germany. Species Acrocoelites, it lived about 180 million years ago. It was found in-Situ, or in its original resting place.

3 Inch Orthoceras marbleized fossil straight shell nautiloid cephalopod
This unique collectible item is a piece of ancient history, showcasing the beauty of mollusk fossils from a bygone era. Perfect for collectors or enthusiasts of rocks, fossils, and minerals, this item embodies the allure of nature's ancient tapestry.

Orthoceras Fossil Specimen in Matrix
The Orthoceras Fossil Specimen in Matrix is a unique and collectible piece that showcases the intricate fossilized remains of an ancient mollusk. Encased in a matrix, this specimen offers a glimpse into the prehistoric world, making it a sought-after item for collectors and enthusiasts of fossils. Displaying the intricate spirals and patterns of the Orthoceras, this piece is a beautiful and historic addition to any collection.

Orthoceras marbilized fossil straight horn shell nautiloid cephalopod 20g
Orthoceras marbilized fossil straight horn shell nautiloid cephalopod 20g Nice markings

Orthoceras Fossil Specimen in Matrix
The Orthoceras Fossil Specimen in Matrix is a unique and collectible piece that showcases the intricate fossilized remains of an ancient mollusk. Encased in a matrix, this specimen offers a glimpse into the prehistoric world, making it a sought-after item for collectors and enthusiasts of fossils. Displaying the intricate spirals and patterns of the Orthoceras, this piece is a beautiful and historic addition to any collection.

Orthoceras Fossil Specimen in Matrix
The Orthoceras Fossil Specimen in Matrix is a unique and collectible piece that showcases the intricate fossilized remains of an ancient mollusk. Encased in a matrix, this specimen offers a glimpse into the prehistoric world, making it a sought-after item for collectors and enthusiasts of fossils. Displaying the intricate spirals and patterns of the Orthoceras, this piece is a beautiful and historic addition to any collection.

Fossil Belemnite Rostrum Acrocoelites 2.1" Jurassic Holzmaden Germany COA 7215
Here is a fossil Belemnite Rostrum, from the Jurassic, Posidonia Shale, Holzmaden, Germany. Species Acrocoelites, it lived about 180 million years ago. It was found in-Situ, or in its original resting place.

Cretaceous Belemnite Fossil Rostrum – Excellent Tip & Alveolus– 57mm–
• Visible alveolus cavity at the base. This is a genuine, well-preserved belemnite rostrum (the solid internal guard of an extinct squid-like cephalopod). Belemnites lived alongside dinosaurs and are an iconic fossil from prehistoric seas.

Fossil Fish Impression in Shale Rock Slab – Natural Specimen
Item: Natural shale slab containing a fish fossil impression. Uses: Collectors, educational display, décor, or starting a fossil collection.

Orthoceras Fossil Specimen in Matrix
The Orthoceras Fossil Specimen in Matrix is a unique and collectible piece that showcases the intricate fossilized remains of an ancient mollusk. Encased in a matrix, this specimen offers a glimpse into the prehistoric world, making it a sought-after item for collectors and enthusiasts of fossils. Displaying the intricate spirals and patterns of the Orthoceras, this piece is a beautiful and historic addition to any collection.

Orthoceras Fossil Specimen in Matrix
The Orthoceras Fossil Specimen in Matrix is a unique and collectible piece that showcases the intricate fossilized remains of an ancient mollusk. Encased in a matrix, this specimen offers a glimpse into the prehistoric world, making it a sought-after item for collectors and enthusiasts of fossils. Displaying the intricate spirals and patterns of the Orthoceras, this piece is a beautiful and historic addition to any collection.

Large Fossilized Shell 5"
Great fossilized specimen with either one big shell or a big one with lots of smalls attached. It measures 5" long and ways approximately 14 oz. Visit my store for other vintage and collectible items. I will gladly combine shipping.

Orthoceras Fossil Specimen in Matrix
The Orthoceras Fossil Specimen in Matrix is a unique and collectible piece that showcases the intricate fossilized remains of an ancient mollusk. Encased in a matrix, this specimen offers a glimpse into the prehistoric world, making it a sought-after item for collectors and enthusiasts of fossils. Displaying the intricate spirals and patterns of the Orthoceras, this piece is a beautiful and historic addition to any collection.

Orthoceras and Ammonite Shell Fossils Estate Display Box
PLEASE READ BEFORE PURCHASING Box has crack that has been repaired. See photos. All items are sold as described to the best of my knowledge. I do my best to provide accurate photos and detailed descriptions so you know exactly what you are purchasing. Please review all photos carefully, as they are considered part of the item description. Unless otherwise stated, items may show normal signs of wear from use, storage, or age. Any major flaws or defects will be clearly noted. All sales are final. No returns or exchanges are accepted however if there is an issue please feel free to reach out to me. If you have any questions, please feel free to reach out before buying. 🍯💛

Fossils In Split Shale Top & Bottom
Fossils In Split Shale Top & Bottom. Unsure of the fossil ID. Includes the top and bottom matching split shale. Some scuff marks on the shale. See pics for size.
You save $4.00

Brachiopod Shell FOSSIL SHELL LOT - 70 MILLION YEARS OLD Collection
I am not an expert of fossil shells but the larger fossil shell, looks to be superior. In shape and colors.

Lake Ontario fossilized shell
Lake Ontario fossilized shell.

5 Fossilized False Ark Shell Clams - Cucullaea Gigante
Cucullaea gigantea is an extinct species offalse ark shell found in the United States, in theAquia Formation in Maryland. Cucullaea gigantea average about 8–14 cm in length, about twice the size of its relativeCucullaea recendens which average 5–8 cm.

Orthoceras Fossil Specimen in Matrix
The Orthoceras Fossil Specimen in Matrix is a unique and collectible piece that showcases the intricate fossilized remains of an ancient mollusk. Encased in a matrix, this specimen offers a glimpse into the prehistoric world, making it a sought-after item for collectors and enthusiasts of fossils. Displaying the intricate spirals and patterns of the Orthoceras, this piece is a beautiful and historic addition to any collection.

Orthoceras Fossil Specimen in Matrix
The Orthoceras Fossil Specimen in Matrix is a unique and collectible piece that showcases the intricate fossilized remains of an ancient mollusk. Encased in a matrix, this specimen offers a glimpse into the prehistoric world, making it a sought-after item for collectors and enthusiasts of fossils. Displaying the intricate spirals and patterns of the Orthoceras, this piece is a beautiful and historic addition to any collection.

Lot Polished Orthoceras Fossils Double Sided Small Specimens 3.4 oz
Orthoceras were ancient marine cephalopods that lived over 400 million years ago during the Paleozoic era. Their long, straight shells were divided into chambers, which helped regulate buoyancy in ancient seas.

Fossil Belemnite Rostrum 3.55" Passaloteuthis Holzmaden Germany COA 7217
Here is a fossil Belemnite Rostrum, from the Jurassic, Posidonia Shale, Holzmaden, Germany. Species Passaloteuthis, it lived about 180 million years ago. It was found in-Situ, or in its original resting place.

Black Orthoceras Fossil Marble Agate Onyx Granite Stone Decorative Egg w Stand
2.5” x 1.75” x 1.75”.

Ammonite Fossil Sea Shell Morocco

Mazon Creek Fossil Palaeolima retifera Fossils. Lot X44
This fossil is from the Pennsylvanian Period and is around 350 to 400 million years old. The fossils are from the Braidwood area Pit 11. The fossil was collect in the strip mines from this area. The fossils have a positive and a negative side.

Mazon Creek Pecten Scallop Fossils - Pennsylvanian Period - Illinois - 300 MYA
This is a species of pectin scallop fossils in Francis Creek shale rock from the Mazon Creek fossil beds in Grundy County, Illinois. Mazon Creek fossils date back to the Pennsylvanian Period around 309 million years ago.

Pair Of scaphopod hydra shell dentalida
They were collected about 45 years ago. More specifically off of Fort Myers Beach area. We would also be good for biology teachers to include in their lessons, zoology etc. Never got around to it.

4 Clam Fossils Found Here in Mid Michigan 1/2" to 1-1/2" Couple Chipped
Up for sale are the actual 4 clam fossils shown. A couple are broke or chipped but a couple look to be complete.

☆Fossil Specimen 10 Pack - Berkeley Quarry S.C. - Barnacle-Dentalium-Teeth ☆301
DENTALIUM - The shells are conical and curved in a plani-spiral way, and they are usually whitish in color. They are hollow and open at both ends. FOSSIL SAMPLES INCLUDE 2 SHARKS TEETH. These 5 to 80 Million Year old fossils were self collected in the 1990's.

☆Fossil Specimen 10 Pack - Berkeley Quarry S.C. - Barnacle-Dentalium-Teeth ☆294
DENTALIUM - The shells are conical and curved in a plani-spiral way, and they are usually whitish in color. They are hollow and open at both ends. FOSSIL SAMPLES INCLUDE 2 SHARKS TEETH. These 5 to 80 Million Year old fossils were self collected in the 1990's.

ORTHOCERAS SQUID FOSSIL *QTY 2* SPECIMEN
The large piece is 5.15" x 1.37", and weighs about 7.5oz. The smaller is about 1.7" x. 64" and weighs 1.2oz.

☆Fossil Specimen 10 Pack - Berkeley Quarry S.C. - Barnacle-Dentalium-Teeth ☆302
DENTALIUM - The shells are conical and curved in a plani-spiral way, and they are usually whitish in color. They are hollow and open at both ends. FOSSIL SAMPLES INCLUDE 2 SHARKS TEETH. These 5 to 80 Million Year old fossils were self collected in the 1990's.

NAUTILUS FOSSIL ROCK
ROCK