Gastropods
gastropods — pre-owned
Browse 400 gastropods — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Turbo Shell, Trochlear Latirus, & Turridae gastropod Shell FL 1980 (S605)
The Turbo Shell, Trochlear Latirus, & Turridae gastropod Shell FL 1980 (S605) is a unique collectible item originating from the United States. This fossilized gastropod shell is a rare find and adds a distinctive touch to any collection of rocks, fossils, or minerals.

Two Gastropod Fossils with Iridescent Crystals #560
The iridescent crystals on these fossils make them sparkle under bright lights.

Gastropod Fossil - Platyceras bistrami - Devonian Bolivia - Snail shell Mollusk
Gastropod Fossil Platyceras bistrami from Devonianof Bolivia. Species: Platyceras bistrami, Knod (1908). Discover the wonders of the ancient world with this exquisite Gastropod shell from the Devonian era, found in the fossil-rich layers of Bolivia.

Fossilized Spiral Gastropod Shell Specimen
Fossilized Spiral Gastropod Shell Specimen

5" Devonian Fossil Gastropod Internal Mold - Issoumour Morocco
Location: Jebel Issoumour, Anti-Atlas Mountains, Morocco. Type: Fossil Gastropod Internal Mold (Sea Snail). Age: Devonian Period (approx. 390 million years old). This fossil represents the internal cast (steinkern) of an ancient sea snail that lived over 390 million years ago.

Gastropod-3/4"- Cyclonema bilix- Ordovician- Cincinnati, Ohio
Found in the 1960’s when I lived in Cincinnati and belonged to the Dry Dredgers Fossil Club.

Turritella Gastropod Bivalve Composite Fossil France Miocene 115 mm No. T10
Type: Gastropod Composite Fossil. Age: Miocene. This is a composite fossil. Location: Saucats-la-Brède, near Bordeaux, France. I hope you understand.

Large Unknown Gastropod Fossil 618g Cretaceous Morocco Rare Specimen No. 0
Age: Cretaceous. Location: Agadir, Morocco. All photos are enlarged to show more details. I will do my best to resolve any issues quickly.

Brachiopod Fossil Devonian Morocco Smara Desert 43 mm 27 g No. 2544
Location: Smara Desert, Morocco. Age: Devonian. Weight: 27 g.

Gastropod- 3/4"- Cyclnema bilix lata- Ordovician, Cincinnati, Ohio
More pointed than other bilix and not as common. Found in the 1960’s when I lived in Cincinnati and belonged to the Dry Dredgers Fossil Club.

Snail Sea Shell Turritella Unicorn Horn Fossil Sea Shell Display Case & ID Card
Tentacle (chemosensory, 2 or 4). The anatomy, behavior, feeding, and reproductive adaptations of gastropods vary significantly from one clade or group to another. Therefore, it is difficult to state many generalities for all gastropods.
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Brachiopod Fossil Devonian Morocco Smara Desert 50 mm 57 g No. 2545
Location: Smara Desert, Morocco. Age: Devonian. Weight: 57 g. I hope you understand.

9pcs 13-30mm Gastropod Transparent Fossil Chalcedony mineral Agate Jurassic 2660
Age - Jurassic Bajocian. Silicified replaced by chalcedony. I hope you understand. Including a protective lacquer. Location - Talsinte, Marocco. (Opens a secure window. ).

Gastropods Fossil Eosene Shells From Italy ~ FREE Shipping USA

185mm Large Unknown Gastropod Fossil Cretaceous
Size of the gastropod - 185mm. Age - Cretaceous. I hope you understand. For an idea of the real size I take pictures on my hands. Broken and glued. Weight - 395grams. Location - Agadir, Marocco. (Opens a secure window. ).

Large Gastropod Natica Fossil with Iridescent Crystals 1.13 lb. 512 grams #583
Large Gastropod Natica Fossil with Iridescent Crystals.

HEMIFUSUS COLOSSEUS ( HUGE )
Still has Periostracum attached.

13gr Snail Cepaea Rüssingen Formation Bivalve Fossils Mollusks Schnecke 453
SNAIL - Capaea. Rüssingen Formation. Location - Mainzer Becken, Germany. I hope you understand. For an idea of the real size I take pictures on my hands. Total veight - 13grams. Age - Miocene, about 15 million years.

20pcs 27gr Gastropod Transparent Fossil Chalcedony Agate lot Jurassic 1202
Age - Jurassic Bajocian. Silicified replaced by chalcedony. Location - Talsinte, Marocco. I hope you understand. For an idea of the real size I take pictures on my hands. Including a protective lacquer.

Large Unknown Gastropod Fossil Cretaceous
Size of the gastropod - 110mm. Age - Cretaceous. I hope you understand. For an idea of the real size I take pictures on my hands. Broken and glued. Weight - 446grams. Location - Agadir, Marocco. (Opens a secure window. ).

Gastropod- Loxoplocus bowdeni- Ordovician- Cincinnati, Ohio
Gastropod- Loxoplocus bowdeni- Ordovician-450 Million Years Old- Cincinnati, Ohio. This gastropod only has an internal mold (natural) as the exterior shell was apparently to fragile to survive. Found in the 1960’s when I lived in Cincinnati and belonged to the Dry Dredgers Fossil Club.

➤ 3-1/4 Inch SILICIFIED GASTROPOD (Geodized) Monroe County Indiana VIDEO➤095
LOCATION:- MONROE COUNTY INDIANA.

Small Horn Rock Coral
horn rock coral

LARGE BANDERA COUNTY TEXAS DUG CRETACEOUS BIVALVE TEXAS HEART FOSSIL
Here is a nice large Cretaceous Period bivalve fossil. Dug in Bandera, County, Texas. Displays great.

Trepospira depressa Fossil Snail TX USA Pennsylvanian Jacksboro Gosseletinidae
Trepospira depressa. Late Pennsylvanian. Fossil Gastropod.

6pcs Gastropod Transparent Fossil Chalcedony mineral Agate Jurassic 13
Age - Jurassic Bajocian. Silicified replaced by chalcedony. I hope you understand. For an idea of the real size I take pictures on my hands. Including a protective lacquer. Location - Talsinte, Marocco.

Set of 5 Fossilized Gastropod Turritella Shells 2½ - 5 Million Years Ago bcx
Okay, yes, it is used.

20 pc Gastropod Transparent Fossil Chalcedony mineral Agate Jurassic 2417
Age - Jurassic Bajocian. Silicified replaced by chalcedony. Total weight 50 grams. I hope you understand. For an idea of the real size I take pictures on my hands. Including a protective lacquer. Location - Talsinte, Marocco.

Hemifusus colosseus (Lamarck, 1816) Naturalis- Rare
Hemifusus colosseus (Lamarck, 1816) large marine gastropod specimen, known for its elongated spiral form and distinct natural patterning. This piece features strong structural integrity with well-defined ridges and natural coloration, making it an excellent display specimen for collectors of marine biology, shells, or natural curiosities. Sourced as a natural specimen and presented as shown. No artificial enhancements. Approximate size and condition reflected in photos. Displays well as a standalone piece or within a curated collection. Item is exact specimen shown. Ships securely with care.

Lot of 3 lbs 4 oz Fossilized Gastropods Pysht Formation, WA USA
The Pysht Formation is a geologic formation in Washington (state).

Gastropod Granulolabium sp. Turritella Bivalve Fossils Miocene Schnecke 5058
Age - Miocene, about 15 million years.

Large Gastropod Natica Fossil with Iridescent Crystals .99 lb. 449 grams #585
Large Gastropod Natica Fossil with Iridescent Crystals.

Gastropod Snail Fossils Fossil Fossilized Lot of 3

Fossil Ocenebra Topangensis Muricidae Murix Miocene Topanga Fm Canyon California
There is a chance it is from the type locality. It's in great condition and has a nice grayish-blue color to it. They are unedited and do a great job of showing what the fossil looks like.

Gastropods- Worm Snails- Vermetus triquetrus- Jurassic- Florida
Largest is 1"--the one that shows the actual snail.

21 mm Gastropod Bivalve Brachiopod Snail Fossil Morocco Dino 2648
It was found in the Gersef Mountains of northern Morocco. Size: 21 - 33 mm. Weight: 14 grams. I hope you understand. I have not found their identification anywhere. (Opens a secure window. ).

GREAT Pleistocene Fossil Worm Tube Cluster ? Or Coral ? READ
I thought this was like fossilized coral, but in looking that up, I found something that looked very similar to this, that said it was some kind of a worm cluster. So that's what I think this is, but please look at the pictures and the measurements I took lots of them.

2pcs 33mm Gastropod Fossil Jurassic 484
Age - Jurassic. I hope you understand. For an idea of the real size I take pictures on my hands. Location - Middle Atlas Mountains in Morocco. (Opens a secure window. ).

Fossil Lot Marine Crionoid Stems Gastropods Brachiopods Kansas Education History
All found in the Neosho river or Big and Rock creeks in Coffey County Kansas. Buyer gets all seen. Offers always entertained.

Large Gastropod Natica Fossil with Iridescent Crystals .45 lb. 207 grams #586
Large Gastropod Natica Fossil with Iridescent Crystals.