Coral Fossils

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3/4" Rhaphidiophorus Hystrix Fossil from the Mazon Creek Site in Illinois: The Rhaphidiophorus hystrix fossil is a rare polychaete wormfrom the Mazon Creek fossil beds near Essex Illinois. Thesefossils date to the Middle Pennsylvanian Period about300 million years ago. The f

2026

3/4" Rhaphidiophorus Hystrix Fossil from the Mazon Creek Site in Illinois

North American Artifact AuctionsHannibal, MO

Mazon Creek Shrimp Molt Fossil (Both Halves) 1½" Carboniferous Crustacean in Siderite Nodule: Mazon Creek shrimp molt fossil both halves Specimen measures about 1 1/2 in and comes with both thepositive and negative halves of the siderite nodule Well preserved fossil showing clear segmentation

2026

Mazon Creek Shrimp Molt Fossil (Both Halves) 1½" Carboniferous Crustacean in Siderite Nodule

North American Artifact AuctionsHannibal, MO

1 1/8" Mazon Creek Annularia Fossil (Both Halves) Beautiful Whorl Preservation 307 Million Yrs Old: Well preserved Annularia fossil from the world famousMazon Creek of Illinois Carboniferous Period about 307 million years old This specimen shows the classic rounded leaf whorl ofAnnularia a member of

2026

1 1/8" Mazon Creek Annularia Fossil (Both Halves) Beautiful Whorl Preservation 307 Million Yrs Old

North American Artifact AuctionsHannibal, MO

2 1/8" Mazon Creek Rare Fossil Cluster - Naiadites Bivalve & Two Annularia Whorls (Both Halves): 2 1/8 in Mazon Creek fossil cluster containing a Naiaditesbivalve and two Annularia whorls. Pennsylvanian Period about307 million years old. This specimen has three distinct fossils preserved together

2026

2 1/8" Mazon Creek Rare Fossil Cluster - Naiadites Bivalve & Two Annularia Whorls (Both Halves)

North American Artifact AuctionsHannibal, MO

3 1/8" Otodus Auriculatus Tooth - Early Megatooth Shark Fossil Eocene 40-50 Million Yrs Old: 3 1/8" Otodus Auriculatus Tooth - Early Megatooth Shark Fossil Eocene 40-50 Million Yrs Old. This species represents a key evolutionary step between Otodus obliquus and the later giants of the megatoo

2026

3 1/8" Otodus Auriculatus Tooth - Early Megatooth Shark Fossil Eocene 40-50 Million Yrs Old

North American Artifact AuctionsHannibal, MO

1 1/8" Mazon Creek Elonichthys Fish Fossil (both sides) Ex Field Museum of Natural History: Beautifully preserved Elonichthys fish fossil from theworld famous Mazon Creek of Illinois The specimen measures about 1 1 2 in and comes with both thepositive and negative halves of the siderite conc

2026

1 1/8" Mazon Creek Elonichthys Fish Fossil (both sides) Ex Field Museum of Natural History

North American Artifact AuctionsHannibal, MO

2 5/8" Snyders found in Monroe County, Missouri: This well made Snyders point measures approximately 2 1/2 inches and is crafted from a colorful fossil rich Burlington chert. The material contains numerous small embedded fossils, an uncommon and vis

2026

2 5/8" Snyders found in Monroe County, Missouri

North American Artifact AuctionsHannibal, MO

Fine 6?Gram Natural Emerald Crystal – 7/8" Dark Green Hexagonal Specimen: A strong dark green natural emerald crystal weighing 6 grams and measuring approximately 7/8 inch in length. This specimen displays the classic hexagonal prism structure with well defined crystal face

2026

Fine 6?Gram Natural Emerald Crystal – 7/8" Dark Green Hexagonal Specimen

North American Artifact AuctionsHannibal, MO

8 Multi-Color Bullseye Lake Superior Thompsonite Specimens: 5 Multi-Color Bullseye Lake Superior Thompsonite Specimens. Very nice jewelry grade Thompsonite Stones measuring 1/2" to 1 1/8" Thicknesses range from approximately 3/8" to 1/2". Weight is 33 grams.

2026

8 Multi-Color Bullseye Lake Superior Thompsonite Specimens

North American Artifact AuctionsHannibal, MO

2 5/16" Hematite Plummet "Modern Made".: 2 5/16" Hematite Plummet "Modern Made".

2026

2 5/16" Hematite Plummet "Modern Made".

North American Artifact AuctionsHannibal, MO

Knightia (Herring) Eocene Fossilized Fish found in the Green River Formation, Wyoming: Knightia (Herring) Eocene Fossilized Fish found in the Green River Formation, Wyoming. Fish fossil measures approximately Stone is 4 1/2". 4 3/4" by 2 3/4" by 2/3" thick

2026

Knightia (Herring) Eocene Fossilized Fish found in the Green River Formation, Wyoming

North American Artifact AuctionsHannibal, MO

2 7/8" White Quartz Plummet "modern made".: 2 7/8" White Quartz Plummet "modern made".

2026

2 7/8" White Quartz Plummet "modern made".

North American Artifact AuctionsHannibal, MO

Large Highly Polished Speckled Granite Celt found in Fulton Co., Ill: Large Highly Polished Speckled Granite Celt found in Fulton Co., Ill

2026

Large Highly Polished Speckled Granite Celt found in Fulton Co., Ill

North American Artifact AuctionsHannibal, MO

1 lb 8 oz Lot of Rough Amethyst Crystals – Natural Purple Quartz – Up to 2.5": Large lot of natural rough amethyst crystals weighing a total of 1 pound 8 ounces. The pieces range up to approximately 2 1/2 inches in length and display a variety of purple tones from light lavender

2026

1 lb 8 oz Lot of Rough Amethyst Crystals – Natural Purple Quartz – Up to 2.5"

North American Artifact AuctionsHannibal, MO

Large 2 3/4" Mazon Creek Jellyfish (Essexella asherae) Ex Field Museum of Natural History: Rare large 2 3/4 inch specimen of Essexella asherae the classicsoft bodied fosil often called the Mazon Creek jellyfish Collected from the world famous Mazon Creek of IllinoisLate Carboniferous Pennsy

2026

Large 2 3/4" Mazon Creek Jellyfish (Essexella asherae) Ex Field Museum of Natural History

North American Artifact AuctionsHannibal, MO

4" Megladon Sharks Tooth: A striking relic from Earth’s ancient oceans. Estimated to be between 3–20 million years old, this fossil comes from the now extinct Otodus megalodon, the largest predatory shark to ever live.

2026

4" Megladon Sharks Tooth

North American Artifact AuctionsHannibal, MO

Group of 6 Fossilized Sharks Teeth 1 1/2 to 3 7/8": Group of Fossilized Sharks Teeth 1 1/2 to 3 7/8". The largest specimen appears to be from a megladon.

2026

Group of 6 Fossilized Sharks Teeth 1 1/2 to 3 7/8"

North American Artifact AuctionsHannibal, MO

19g Natural Baltic Amber Nodule (Cut in Two) – Translucent Honey Orange: Total weight: 19 grams One natural amber nodule cut into two matching halves. The material shows a translucent honey orange color typical of Baltic amber, with a warm internal glow when held to the li

2026

19g Natural Baltic Amber Nodule (Cut in Two) – Translucent Honey Orange

North American Artifact AuctionsHannibal, MO

Loose Diamond - Round 2.51ct E VVS2: Loose Diamond - Round 2.51ct E VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: Round Carats: 2.51 Color: E Clarity: VVS2 Certification: IGI Condition: Pre-Owned PLEAS

2026

Loose Diamond - Round 2.51ct E VVS2

BidhausNew York, NY

Paleocene Fossilized Seads on Stone found in Morton County, ND: Paleocene Fossilized Seads on Stone found in Morton County, ND. Unidentified seed type recovered from the Sentinel Butte Formation. This specimen measures 3 1/4" by 2 1/8" by 1/4" thick approximately.

2026

Paleocene Fossilized Seads on Stone found in Morton County, ND

North American Artifact AuctionsHannibal, MO

Fossilized Mammoth Tooth Paper Weight: Fossilized Mammoth Tooth Paper Weight. Made from a real mammoth tooth. With sides cut and polished it shows off he inside of the tooth structure. Measures 3" by 2" by 2" approximately.

2026

Fossilized Mammoth Tooth Paper Weight

North American Artifact AuctionsHannibal, MO

Pleistocene Large Ungulate Bone Fragment (Likely Bison) — Found in SW Iowa — 5" — McClellan: Pleistocene Large Ungulate Bone Fragment (Likely Bison) — Found in SW Iowa — 5" — McClellan Collection

2026

Pleistocene Large Ungulate Bone Fragment (Likely Bison) — Found in SW Iowa — 5" — McClellan

North American Artifact AuctionsHannibal, MO

25ct Golden Rutilated Quartz Gem – 7/8" Round, 1/2" Thick – Fine Clarity: Beautifully cut golden rutilated quartz gemstone weighing approximately 5 grams (about 25 carats). The stone measures roughly 7/8 inch in diameter and 1/2 inch thick, giving it a solid presence and ex

2026

25ct Golden Rutilated Quartz Gem – 7/8" Round, 1/2" Thick – Fine Clarity

North American Artifact AuctionsHannibal, MO

98g Ruby/Pink Sapphire Corundum Rough – Jeweler’s Estate – Color Window: 98 gram group of select natural ruby and pink sapphire corundum rough from the personal cutting box of a deceased jeweler and gem cutter. These stones were separated from a larger parcel and kept asid

2026

98g Ruby/Pink Sapphire Corundum Rough – Jeweler’s Estate – Color Window

North American Artifact AuctionsHannibal, MO

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Fossils Auctions

Saber-Toothed Tiger Fossil Skull, Late Miocene — Complete Dentition

Mimbres Black-on-White Pottery Bowl - Standing Woman, Kill Hole

Persian Siljuk Bronze Lamp Stand, Khorasan Region

Fine Fossils, Native American, Asian, Ethno

Artemis Fine Arts

Starts on:

Louisville, CO, US

Michoacan Pottery Figure - Seated Dignitary in Headdress

Prehistoric Complete Oreodont Femur Bone Fossil

18th c. Italian Engraving after Reni - Apollo & Aurora

VARIETY SALE Pre-Columbian, Ethnographic Art

Artemis Fine Arts

Starts on:

Louisville, CO, US

4 11/16" Thebes, Dickey COA, Calhoun Co., Illinois, Found Near the Illinois River

18" x 8 1/2" Large Mammoth Jaw and Tooth Fossil, Recovered from Alaskan Permafrost

10 3/4" Pre-Columbian Moche Culture Stirrup Vessel, Northern Coastal Peru

Pre-Columbian, Native American Artifacts

Heartland Artifact Auctions

Starts on:

Quincy, IL, US

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