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Fossil Shell, Ammonite (Perispimctes) Madagascan, 5 ½x2 ½ Full Medium, Polished, 200 Milli: Title: Fossil Shell, Ammonite (Perispimctes) Madagascan, 5 ½x2 ½ Full Medium, Polished, 200 Million Years Description: Fossil Shell, Ammonite (PERISPIMCTES) Madagascan, 5 ½x2 ½

Fossil Shell, Ammonite (Perispimctes) Madagascan, 5 ½x2 ½ Full Medium, Polished, 200 Milli

Est. —

£15

William GeorgeMultiple sites

Lot of (3) Polished Petrified Wood & Dragon Stone Slices: Larger petrified wood measures 12 x 9.5 inches, smaller measure between approx 5.5 inches and 6.5 inches. Overall good condition, please see photos.

May 31, 2026

Lot of (3) Polished Petrified Wood & Dragon Stone Slices

Est. $100-$200

$50

Heritage Gallery AuctionsPatchogue, NY

Late 19th Century Sawbill Specimen,: a/f (wear consistent with age), length 63cm

May 29, 2026

Late 19th Century Sawbill Specimen,

Est. A$150-A$250

A$120

Aalders AuctionsStanmore,, New South Wales

Petrified Wood Fish Statuette: A petrified wood fish statuette measuring approx. 6.5" high x 17.5" long x 4.5" deep. Item is in good condition as seen in photography.

4 days Left

Petrified Wood Fish Statuette

Est. $100-$200

$25

Keystone Auction LLCYork, PA

Natural Ammonite Fossil Snail 95.29 Ct. 2 Pcs. Size 33 x 26 Mm.: Product ID: 808001542 Product Name: Natural Fossil Weight: 95.29 CT. Size: 33 x 26 x 7.4 MM. Shape: Snail Color: Yellow Brown Clarity:Opaque Luster: None Gems Origin: Madagascar Treatment: Unheated Cr

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Natural Ammonite Fossil Snail 95.29 Ct. 2 Pcs. Size 33 x 26 Mm.

$12

Treasure of Gems & JewelryLake Charles, LA

Two Natural White Starfish Specimens including Finger and Knobby Varieties: This 2pc starfish set consists of two professionally dried natural history specimens. The first specimen is a finger starfish, identified as Linckia laevigata, featuring five long, slender, and cylind

5 hrs Left

Two Natural White Starfish Specimens including Finger and Knobby Varieties

Est. $90-$200

$20

Lion and UnicornHollywood, FL

LYCOPTERA FOSSIL: ; Long: 4.1 inch; Heigh: 3.4 inch; Woodbase for picture and display only

May 29, 2026

LYCOPTERA FOSSIL

Est. $80-$120

$40

William's Auctions, LLCFlushing, NY

23.33 Ct Natural Fossil Coral Oval Cab: weight - 23.33 Ct / Size - 40.00 x 17.60 x 4.10 mm / Shape - Excellent Oval Cab / Origin - Brazil / Treatment - None

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23.33 Ct Natural Fossil Coral Oval Cab

$23

Gems AuctionBangkok, TH

LYCOPTERA FOSSIL: ; Long: 5 inch; Heigh: 3.7 inch; Woodbase for picture and display only

May 29, 2026

LYCOPTERA FOSSIL

Est. $80-$120

$40

William's Auctions, LLCFlushing, NY

Large Fossilized Bone, Mammoth/Mastodon Era, Found in Lee Co., Iowa: Large Fossilized Bone, Mammoth/Mastodon Era, Found in Lee Co., Iowa

Jun 07, 2026

Large Fossilized Bone, Mammoth/Mastodon Era, Found in Lee Co., Iowa

Est. $15-$10,000

$10

Heartland Artifact AuctionsQuincy, IL

PAIR OF NAUTILUS FOSSIL: Diameter:1.4 inch to Diameter:2.0 inch

May 30, 2026

PAIR OF NAUTILUS FOSSIL

Est. $60-$90

$30

William's Auctions, LLCFlushing, NY

Giada intagliata a motivo di pesce,: Giada intagliata a motivo di pesce, Cina h.cm.6

Jun 09, 2026

Giada intagliata a motivo di pesce,

Est. €400-€450

€400

Aste di Antiquariato BoettoGenoa, Italy

Mosasaurus Dinosaur Tooth, 66 MYO, Morocco: Mosasaurus Dinosaur Tooth, 66 MYO, Morocco

Jun 07, 2026

Mosasaurus Dinosaur Tooth, 66 MYO, Morocco

Est. $15-$10,000

$10

Heartland Artifact AuctionsQuincy, IL

Petrified Wood Specimen: 2 1/2" by 3 5/8" by 12 1/4".

1 day Left

Petrified Wood Specimen

Est. $25-$50

$10

Davis Brothers AuctionMissoula, MT

Worked Fossilised Megalodon Tooth: Early Pliocene, circa 5-2 million years B.P. Showing signs of being polished and with the tip cut at an angle, possibly used as a tool. 293 grams, 11.5 cm (4 1/2 in.). [No Reserve] (For this specific

Jun 06, 2026

Worked Fossilised Megalodon Tooth

Est. £300-£400

£5

TimeLine Auctions Ltd.Harwich, Essex

LOT OF MOSASAUR TEETH ROCK STONES LAPIDARY SPECIMEN: A lot of four Mosasaur teeth, preserved as lapidary specimens. The lot includes a variety of teeth, each with distinct shapes and textures. Natural fossilized teeth with a sturdy rock matrix. Featurin

4 days Left

LOT OF MOSASAUR TEETH ROCK STONES LAPIDARY SPECIMEN

Est. $50-$100

$10

Antique Arena Inc.Brooklyn, NY

1 3/4" Triceratops Bone Fragment, Late Cretaceous Period, Garfield Co., Montana, Hell Creek: 1 3/4" Triceratops Bone Fragment, Late Cretaceous Period, Garfield Co., Montana, Hell Creek Formation, 68-66 Million Years Ago

Jun 07, 2026

1 3/4" Triceratops Bone Fragment, Late Cretaceous Period, Garfield Co., Montana, Hell Creek

Est. $15-$10,000

$10

Heartland Artifact AuctionsQuincy, IL

Large Frame of Shark Teeth: Large Frame of Shark Teeth

Jun 07, 2026

Large Frame of Shark Teeth

Est. $15-$10,000

$10

Heartland Artifact AuctionsQuincy, IL

Polished Ammonite Fossil On Steel Stand (Cleoniceras sp): Polished Ammonite Fossil On Steel Stand. Ammonites are an extinct group of marine mollusc that lived hundreds of millions of years ago and are found in the Middle Albian of Europe, Madagascar and Tran

Jun 04, 2026

Polished Ammonite Fossil On Steel Stand (Cleoniceras sp)

Est. $480-$650

$375

Weatherham Estate TreasuresCobourg, ON

2 7/8" x 1 1/2" Big Slough, Heated Fossiliferous Chert, Tennessee, Ex. Josh Davis: 2 7/8" x 1 1/2" Big Slough, Heated Fossiliferous Chert, Tennessee, Ex. Josh Davis

Jun 07, 2026

2 7/8" x 1 1/2" Big Slough, Heated Fossiliferous Chert, Tennessee, Ex. Josh Davis

Est. $15-$10,000

$10

Heartland Artifact AuctionsQuincy, IL

Dinosaur Age Amber with Insect, Hukawng Valley, Myanmar/Burma, 100-90 MYO, Cretaceous Era: Dinosaur Age Amber with Insect, Hukawng Valley, Myanmar/Burma, 100-90 MYO, Cretaceous Era

Jun 07, 2026

Dinosaur Age Amber with Insect, Hukawng Valley, Myanmar/Burma, 100-90 MYO, Cretaceous Era

Est. $15-$10,000

$10

Heartland Artifact AuctionsQuincy, IL

A POLISHED AMMONITE SPECIMEN. 10 cm high.: A POLISHED AMMONITE SPECIMEN. 10 cm high.

Jun 11, 2026

A POLISHED AMMONITE SPECIMEN. 10 cm high.

Est. £50-£75

£30

Hannam's Auctioneers LtdSelborne, Hampshire

Paleozoic Brachiopod Fossil Limestone Slab: Ancient Seas, Paleozoic period, ca. 300 to 400 million years ago. A limestone slab with dozens of fossilized brachiopod shells and impressions preserved across its textured surface, offering a quiet b

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Paleozoic Brachiopod Fossil Limestone Slab

$225

Artemis Fine ArtsLouisville, CO

Extra-Large Orthoceras Slab Fossil On Steel Stand (Orthoceras sp): Extra-Large Orthoceras Slab Fossil On Steel Stand (Orthoceras sp) This stunning extra-large Orthoceras slab fossil is mounted on a sleek steel stand, showcasing its intricate, ancient chambered struct

Jun 04, 2026

Extra-Large Orthoceras Slab Fossil On Steel Stand (Orthoceras sp)

Est. $300-$450

$245

Weatherham Estate TreasuresCobourg, ON

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24

Fossils Auctions

Signed Handel Triple Scrolled Case Base & Geometric Leaded Glass Shade

Designer 18k White Gold & 2 Carat Diamond Earrings

Syd Solomon (American, 1917-2004) Original Abstract Oil and Acrylic on Canvas 'Dawnote'

May Estate & Jewelry Auction

Heritage Gallery Auctions

Starts on:

Patchogue, NY, US

Costa Rica Head Vessel, Feline & Reclining Deity

Jalisco Red-Slip Hunchback Figure - Conical Headdress

Mississippian Cat Serpent Effigy Bowl (Mythic Water Being)

ARTEMIS x ARTE Pre-Columbian, Native American

Artemis Fine Arts

Starts on:

Louisville, CO, US

2 hrs Left

Guro Gu Female Dance Mask | Coiffure Scarification

Fossilized Entelodont Hell Pig Skull

Pair Egyptian Faience Ushabtis, ex-Bonhams

ARTEMIS x ARTE Tribal, Ethnographic, Ancient

Artemis Fine Arts

Starts on:

Louisville, CO, US

1 day Left

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