Stone Fossils

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Green River Fossilized Palm Fronds & Fish Panel: North America, Wyoming, Green River Formation, Eocene Period, ca. 53.5 to 48.5 million years ago. A large stone matrix presenting a striking prehistoric aquatic scene, with detailed palm fronds preser

2 days Left

Green River Fossilized Palm Fronds & Fish Panel

Artemis Fine Arts

Est. US$5,000-US$7,500

Ammonite Fossil Stone Dishes & Lidded Box 3pc SET: Set of three carved fossil stone decorative pieces featuring visible ammonite fossils. Includes two shallow dishes and a small lidded container filled with assorted stone fragments. The polished dark

Apr 16, 2026

Ammonite Fossil Stone Dishes & Lidded Box 3pc SET

MiddleManBrokers Inc.

Est. US$1-US$1,000

Polished Ammonite Fossil Cluster in Upright Matrix: South East Africa, Madagascar, Jurassic to Cretaceous period, ca. 200 to 66 million years ago. This striking upright display showcases a natural stone matrix embedded with eight partial and full ammon

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Polished Ammonite Fossil Cluster in Upright Matrix

Artemis Fine Arts

Large Knightia Fish Fossils 'Mass Mortality' Stone Slab: North America, United States, Wyoming, Green River Formation, Eocene Epoch, ca. 53.5 to 48.5 million years ago. A large limestone slab preserving a dense concentration of Knightia fish fossils, repres

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Large Knightia Fish Fossils 'Mass Mortality' Stone Slab

Artemis Fine Arts

Est. US$3,500-US$5,500

Large Trilobite Fossil in Matrix, Asaphellus Stubbsi: North Africa, Morrocco, Draa Valley region, Lower Ordovician era, ca. 485 to 443 million years ago. A fossilized Asaphellus stubbsi trilobite preserved in a natural stone matrix, showing the classic t

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Large Trilobite Fossil in Matrix, Asaphellus Stubbsi

Artemis Fine Arts

Impressive Jurassic French Ammonite Fossils in Matrix: Western Europe, France, Jurassic period, ca. 201 to 143 million years ago. A monumental ammonite cluster presented in a sculptural stone matrix, skillfully cut to create a dynamic vertical composition

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Impressive Jurassic French Ammonite Fossils in Matrix

Artemis Fine Arts

Polished Fossil Slab Tabletop w/ Orthoceras & Ammonites: North Africa, Morocco, Devonian Period, ca. 419.2 to 358.9 million years ago. A circular fossil stone tabletop slab polished to a deep, reflective finish, revealing a dense field of Orthoceras and amm

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Polished Fossil Slab Tabletop w/ Orthoceras & Ammonites

Artemis Fine Arts

Est. US$800-US$1,200

Polished Fossil Slab of Ammonites & Orthoceras Shells: North Africa, Morocco, Devonian Period, ca. 419.2 to 358.9 million years ago. A massive fossil stone slab polished in relief to reveal numerous ammonite shells and elongated Orthoceras fossils preserv

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Polished Fossil Slab of Ammonites & Orthoceras Shells

Artemis Fine Arts

Green River Fish & Leaf Stone Fossils 6pc LOT: Collection of six fossil specimens including fish fossils and preserved leaf impressions in natural stone matrix. The lot features multiple plant fossils along with a slab displaying two fish fossils.

Apr 16, 2026

Green River Fish & Leaf Stone Fossils 6pc LOT

MiddleManBrokers Inc.

Est. US$1-US$1,000

Moroccan Fossil Ammonite Carving with Orthoceras Shells: North Africa, Morocco, Devonian Period, ca. 419.2 to 358.9 million years ago. A large ammonite-form carving shaped and polished from fossil-rich Moroccan stone, emphasizing the dramatic spiral of the

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Moroccan Fossil Ammonite Carving with Orthoceras Shells

Artemis Fine Arts

Large Orthoceras Fossil Stone Panel: Ancient Seas, Morocco, Devonian Period, ca. 419.2 to 358.9 million years ago. A large rectangular orthoceras fossil panel featuring numerous fragmentary shells set within a dark stone matrix, with sev

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Large Orthoceras Fossil Stone Panel

Artemis Fine Arts

Est. US$1,000-US$1,500

Prehistoric Cretaceous Fish Fossils + Prawn (8 pcs): Southeast Asia, Malaysia & South America, Brazil, Santana Formation, Cretaceous period, ca. 145 to 66 million years ago. A group of prehistoric fish fossils and a prawn preserved in 8 soft stone matri

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Prehistoric Cretaceous Fish Fossils + Prawn (8 pcs)

Artemis Fine Arts

Est. US$400-US$600

Ammonite Datylioceras Commune Jurassic Age Fossil: Ancient ammonite datylioceras commune. Jurassic age, Forcheim Germany. Measures 2.5" x 1.5" x 1.25", weighs 4.3 oz.

Apr 16, 2026

Ammonite Datylioceras Commune Jurassic Age Fossil

Cowboy Joe's Antiques

Est. US$200-US$300

Ancient Marine Shell Fossils on Stone Matrix: North America, likely Northeastern United States, Middle to Late Devonian Period, ca. 390 to 360 million years ago. A fossiliferous matrix stone densely covered with preserved marine shells, forming a

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Ancient Marine Shell Fossils on Stone Matrix

Artemis Fine Arts

Assorted Trilobite Fossil Species in Ten Stone Matrices: North America / Africa, Morocco, Cambrian to Permian Period, ca. 520 to 251 million years ago. A collection of ten natural stone matrices featuring well-preserved full and partial trilobite remains. T

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Assorted Trilobite Fossil Species in Ten Stone Matrices

Artemis Fine Arts

Est. US$300-US$450

Ancient Trilobite - Flexicalymene Meeki Fossil: Flexicalymene Meeki Trilobite. Upper Ordovician, Waynesville formation, Franklin Co. Indiana. Measures 3" x 2" x .75". Weighs 3.96 oz.

Apr 16, 2026

Ancient Trilobite - Flexicalymene Meeki Fossil

Cowboy Joe's Antiques

Est. US$250-US$350

Marine Fossils - Brachiopod Shells & Echinoderms: North America, United States, Paleozoic era, ca. millions of years ago. A group of fossil specimens including a fully exposed brachiopod and five stone matrices containing echinoderms such as crinoid

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Marine Fossils - Brachiopod Shells & Echinoderms

Artemis Fine Arts

Est. US$400-US$600

(3) Ancient Ammonite Fossil Shells: (3) Ancient Ammonite Fossil Shells. Includes an Ancilocona in a rectangular polished base made from the rock it hardened within, a Platicona turned to limestone on a limestone stand, and a cross-

Apr 19, 2026

(3) Ancient Ammonite Fossil Shells

Sarasota Estate Auction

Est. US$200-US$400

Ancient Trilobite - Flexicalymene Meeki Fossil: Flexicalymene Meeki Trilobite. Upper Ordovician, Waynesville formation, Franklin Co. Indiana. Measures 3" x 3" x 1". Weighs 3.96 oz.

Apr 16, 2026

Ancient Trilobite - Flexicalymene Meeki Fossil

Cowboy Joe's Antiques

Est. US$250-US$350

Lot of Nine Fossilized Clams Pleistoncene Period: Lot of nine fossilized complete clam shells. Pleistocene Period. Quarter for scale.

Apr 16, 2026

Lot of Nine Fossilized Clams Pleistoncene Period

Cowboy Joe's Antiques

Est. US$200-US$300

Petrified Coprolite Fossil Dinosaur Feces 100 Million Years Old: Petrified coprolite, unknown origin. Measures 2" x 1.5" x 1.25" and weighs 2 oz.

Apr 16, 2026

Petrified Coprolite Fossil Dinosaur Feces 100 Million Years Old

Cowboy Joe's Antiques

Est. US$200-US$350

Ancient Trilobite - Flexicalymene Meeki: Flexicalymene Meeki Trilobite. Upper Ordovician, McMillan formation, Butler County, Ohio. Measures 3" x 2" x 1". Weighs 4.79 oz.

Apr 16, 2026

Ancient Trilobite - Flexicalymene Meeki

Cowboy Joe's Antiques

Est. US$80-US$90

Cyathocrinites and Platycrinites Fossils Mississippi Creek: Cyathocrinites and Platycrinites Fossils. From lower Mississippian Ramp Creek Limestones, Montgomery County Indiana. Measures 4.75" x 3".

Apr 16, 2026

Cyathocrinites and Platycrinites Fossils Mississippi Creek

Cowboy Joe's Antiques

Est. US$200-US$250

Petoskey Stone Michigan, USA Fossil: Petoskey fossil stone from Michigan. Measures 3" x 2.5" x .75" and weighs 8 oz.

Apr 16, 2026

Petoskey Stone Michigan, USA Fossil

Cowboy Joe's Antiques

Est. US$90-US$100

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Stone Auctions

10K GOLD BAGUETTE REAL DIAMOND CROSS PENDANT

10K YELLOW GOLD DIAMOND TENNIS BRACELET

18K WHITE GOLD LADIES BAGUETTE REAL DIAMOND BRACELET

26271 | Rare Stones & Diamond Jewelry

Starts on:

Beverly Hills, CA, US

2 days Left

PT900 DIAMOND RING

K18PG/PT900 DIAMOND RING

K18YG DIAMOND RING

26320 | Rare Stones & Diamond Jewelry

Starts on:

Beverly Hills, CA, US

Van Cleef & Arpels Rose de Noel 18K Yellow Gold Coral Earrings 1978 Vintage

0.76ct GIA Fancy Light Pink Diamond Halo Ring

Cartier Juste Un Clou 18K Rose Gold Diamond Bracelet Size 16

Diamonds are Forever - Loose Stones & Jewelry

Starts on:

New York, NY, US

Stone Fossils

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