Echinoids
echinoids — pre-owned
Browse 211 echinoids — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.
Echinoid Fossil - Morocco
An Echinoid Fossil from Morocco. Location: Morocco. Formation: Unknown.
Florida Fossil Echinoid Eupatagus Antillarum Sea Urchin Eocene Age
Florida Fossil Echinoid Eupatagus Antillarum Sea Urchin Eocene Age. Condition is Used. Shipped with USPS Ground Advantage.
Crinoid stem fossils 2# 11oz. lot of 130 pieces from Indiana
The product is a lot of 130 pieces of Crinoid stem fossils, weighing 2lb. Crinoid stem fossils are a type of echinoderm and are commonly found in rocks and minerals. 130 Pieces.
Fossil & Mineral Collection Lot Echinoid Sea Urchin Shell Stone Quartz Mixed UK
• Quartz / translucent pebble. • Display or curiosity cabinet. Mixed Fossil & Mineral Collection – 9 Piece Lot. • Fossil echinoids (sea urchins) with visible natural detail. • Fossil and mineral collectors.
Set 2 Fossilized Echinoid Cretaceous Miniature Salenia Texana, Texas .5" L Both
These are fossilized echinoderms, specifically a Cretaceous sea urchin species known as Salenia Texana, found in Texas. I collected these years ago in central Texas. Condition: Very Good, one has had a slight crushing and its opening is distorted.
Eupatagus Mooreanus Echinoid from West Central Florida
Eupatagus antillarum Fossil Echinoid - Ocala Limestone - Alachua Co, FL - Matrix
This "as-found" presentation is highly desirable, as it showcases the echinoid exactly as it was discovered. • Type: Echinoid (Heart Urchin). • Location: Alachua County, Florida, USA.
Fossilized Echinoderm Cretaceous Sea Urchin Species Salenia Texana
I collected many of these in the Glen Rose Formation.
2 - Eupatagus Mooreanus Echinoids from West Central Florida
Echinoid Fossil Urchin Genuine Specimen Cretaceous
I don't know many details about this item so please examine the photos. Has loose parts coming away on the bottom.
3 - Eupatagus Mooreanus Echinoids from West Central Florida
3 x Micraster echinoid fossils – genuine cretaceous sea urchin from UK.
Micraster echinoid fossils – genuine cretaceous sea urchin. From my childhood fossil collection.
Crinoid stem fossils bigger Devonian age Africa #210
This product is a crinoid stem fossil from Morocco
Fossilized Sea Biscuits Lot Of 5 Holden Beach Echinoids Cretaceous Fossil
This product is a lot of 5 Fossilized Sea Biscuits (Echinoids) from Holden Beach, dating back to the Cretaceous period. These collectible fossils are perfect for any enthusiast of rocks, fossils, and minerals. The unique and ancient nature of these echinoderms adds to their appeal as a fascinating addition to any collection.
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Natural Sea Biscuit Fossils 65 Million Years Old Set Of 6 In Good Shape
Natural Sea Biscuit Fossils 65 Million Years Old Set Of 6 In Good Shape Sea biscuits are related to sand dollars, which are also a type of echinoderm. Sea biscuit fossils are the remains of extinct echinoderms that resemble a puffy version of the sand dollar. They are a type of irregular echinoid, along with sand dollars and heart urchins. These will be a perfect gift for your favorite collector.
Natural Fossilized Sea Urchins Echinoid Fossils Specimens - 7 Pieces - 17g
• Weight: 17g total. • Condition: Natural, authentic, and as shown in the photos.
LAKE WACO 1980 Texas Fossil Echinoid Holaster Simplex Cretaceous Age 2 1.0 lbs
Echinoid Holaster Simplex Cretaceous Age. LAKE WACO 1980 Texas Fossil. Her gift to you. Lighting will make images appear different.
Sea Biscuit Echinoid Cretaceous Fossil Holden Beach NC Atlantic Ocean Shell
Sea Biscuit Echinoid Cretaceous Fossil Holden Beach NC Atlantic Ocean Shell. Condition is Used. Shipped with USPS Ground Advantage.
0.6kg Starfish Ophiura sp. Fossil Morocco Ordovician 11
Starfish - Ophiura sp. Age - Upper Ordovician. Location - Erfoud Area, Morocco. Select One or Both Alert Types I hope you understand. For an idea of the real size I take pictures on my hands. Weight - 614grams.
5 Fossilized Echinoid Sea Urchins Sea Biscuits Holden Beach, NC Beach Decor
5 Fossilized Echinoid Sea Urchins Sea Biscuits Holden Beach NC Beach Decor. Found fall of 2025 on Island of Holden Beach, North Carolina. See pictures for details. These are in their natural state and have not been cleaned or exposed to any chemical solutions.
Fossil Brittle Star Ophiura unpainted Ordovician Kaid rami Morocco COA 6236
The species is Ophiura, from the Ordovician, about 450 million years ago, long before the first dinosaur. From the Kataoua Formation, near Kaid rami, Morocco. Here is a lovely genuine fossil Brittle Star from Morocco.
FOSSILIZED SEA URCHIN - 1.25" Natural Echinoid Fossil From Florida Gulf Coast
Rare Cidaris subvesiculosa Fossil Echinoid - Upper Cretaceous - Talmont, France
• Species: Cidaris subvesiculosa. This "regular" echinoid is prized by collectors for its robust, spherical test and the large, prominent primary tubercles where its thick spines would have once attached.
Belemnites in Rock - Fossil specimen - 2 Belemnites in flint. FREESTANDING
2 belemnites in 2 flints as shown - longest belemnite is approx 6 cm long.
Fossil Crinoid Float Bulb~Devonian Age Morocco~Lobolith Scyphocrinites
The lobolith was chambered and likely filled with a gas produced by the crinoid to regulate its position within the water. This allowed the animal to float with the currents and move up and down in the water column.
Desert Rose Selenite Crystal – Approx. Under 0.1 oz Natural Gypsum Formation
This piece features the classic sandy beige tone with defined ridges and natural texture typical of desert rose formations. Formation: Natural rosette crystal structure. Traditionally associated with grounding and protection, desert rose formations are often chosen for their structured, layered appearance and natural desert origin.
4 - Eupatagus Mooreanus Echinoids from West Central Florida
SEA BISCUIT FOSSIL ECHINOID original LIMESTONE MATRIX Hamilton County Florida
Here we have a fossilized sea biscuit in the matrix. I found this in the Suwannee River, Hamilton County, Florida. Over 30,000,000 years old. I think they are RHYNCHOLAMPUS GOULDII, but I'm not sure.
Micraster heart fossil echinoid, sea urchin, cretaceous, genuine
Delve into the beauty of prehistoric marine life with this genuine Cretaceous Micraster heart fossil echinoid.
Flint Echinoid Fossil Hants UK Witches Good Luck Charm Shepherds Crown 5cm 2"
These fossils are highly prized by witches and have many magical uses. A thunder-stone in your house will protect against lightning and in the dairy will prevent milk turning sour. If carried they protect you from poison and in the presence of poison they sweated.
Flint Inoceramus Fossil UK Witches Good Luck Charm door stop
Flint Fossil W/ Structure Visible UK Hants, Witches Good Luck Charm door stop fossilised impressions of shell fragments in flint. They are from an inoceramid bivalve. (see Inoceramus) These bivalves tend to be found in fragments within the Cretaceous chalk and the flint. They have a characteristic prismatic microstructure in cross section which are seen on this specimen. They could grow to enormous sizes with very prominent growth lines . They were alive around 70 to 90 million years ago. Just under 1kg, Appx 10cm across
RARE FOSSIL ECHINOID SEA URCHIN SEEIGEL OURSIN ERIZO OLIGOCENE CLYPEASTER OC5
A ge: Oligocene. Nice addition for every fossil collection!
Clypeus ploti - Jurassic Echinoid
The Clypeus ploti - Jurassic Echinoid is a fascinating fossilized sea urchin, perfect for collectors and enthusiasts alike. With its intricate design and historical significance, this Echinoid is a valuable addition to any collection of rocks, fossils, and minerals.
Set 3 Echinoderm Cretaceous Sea Urchin Species Salenia Texana Road Cut Texas
I collected many of these in the Glen Rose Formation. These 3 are the largest and the best preserved of any in my collection. Note: The photos show each Salenia followed by the bottom of each.
Set 3Echinoderm Cretaceous Sea Urchin Species Salenia Texana Road Cut Austin,Tx.
I collected many of these in the Glen Rose Formation.
(4) US ESB Fossilized Rock Sea Biscuit Natural Ancient Paleocene Beach Artifact
See Photos. Each biscuit has a number of photos. Fossilized into rock. They belong to the phylum Echinodermata, which includes marine animals like starfish, sea cucumbers, crinoids and sea urchins.
Polished Fossil Sand Dollar Echinoid Specimen 3” Natural Sea Urchin. SD00
A great addition for fossil collectors, coastal decor, or educational use. These marine creatures lived buried in sandy seabeds, and their distinctive five-petal pattern reflects their internal structure used for respiration and feeding.
Fossilized Cretaceous Echinoid Echinoderm Sea Biscuit Urchin Fossil Beach Decor
Lot of 5, see all photos for condition and sizes. Fossilized Cretaceous Echinoid Echinoderm Sea Biscuit Urchin Fossil Beach Decor Location found: Holden Beach, NC
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Echinoid Fossil - Morocco
An Echinoid Fossil from Morocco. Location: Morocco. Formation: Unknown.
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Sea Urchin Fossil 2 5/8" x 2 5/8" x 3/8"
He enthusiastically shared these interests with others. In 2013, Rudi and colleague David Dilcher donated 68 acres of land in Greene county to the Sycamore Land Trust known as the Dilcher-Turner Canyon Forest to preserve this natural wonder for others to enjoy.