New to LiveAuctioneers?

Fine trilobite - Cornuproetus (Diademaproetus) sp.

Description

Title: Fine trilobite - Cornuproetus (Diademaproetus) sp.

Origin: Morocco

Size: 2.6 cm long (trilobite)

Description: Species: Cornuproetus (Diademaproetus) sp.
Age: Devonian
Locality: near Alnif, Morocco
Measurements: 2.6 cm long (trilobite) - 7.8 x 7.6 cm (matrix)
Weight: 240 g
An gorgeous Diademaproetus. All natural.

Reserve: $150.00

Shipping:

Domestic: Flat-rate of $60.00 to anywhere within the contiguous U.S.

International: Foreign shipping rates are determined by destination. International shipping may be subject to VAT.

Combined shipping: Please ask about combined shipping for multiple lots before bidding.

Location: This item ships from France.

Your purchase is protected:
In the rare event that the item did not conform to the lot description in the sale, Chairish Auctions specialists are here to help. Buyers may return the item for a full refund provided you notify Chairish Auctions within 5 days of receiving the item.

Buyer's Premium

20%

Fine trilobite - Cornuproetus (Diademaproetus) sp.

Lot 0070

Estimate $200-$250

Mar 25, 2026, 7:09 PM EDT

Starting Price

Secure

$75

LiveAuctioneers Purchase Protection

Vetted auction houses

Secure, online bidding

Returns guaranteed for misrepresented listings

Dedicated support when you need it

Fossilized Ammonites, Trilobites, and More!

Mar 18, 2026 12:00 PM EDT

New York, NY, United States

Rare trilobites with '3D' spines - Basseiarges mellishae: Title: Rare trilobites with '3D' spines - Basseiarges mellishaeOrigin: MoroccoSize: c. 3 cm long trilobiteDescription: Species: Basseiarges mellishae Age: Middle Devonian Locality: Morocco

Rare trilobites with '3D' spines - Basseiarges mellishae

Fine gastropod Bolinus brandaris torularius: Title: Fine gastropod Bolinus brandaris torulariusOrigin: ItalySize: c. 70 mm long (gastropod)Description: Species: Bolinus brandaris torularius Age: Pliocene Locality: Italy Measurements: c. 70 mm

Fine gastropod Bolinus brandaris torularius

Uncommon trilobite - Cyphaspis sp.: Title: Uncommon trilobite - Cyphaspis sp.Origin: MoroccoSize: 1.8 cm longDescription: Species: Cyphaspis sp. Age: Devonian Locality: Morocco Measurements: c. 1.8 cm long (trilobite) - 6.5 x 6 cm

Uncommon trilobite - Cyphaspis sp.

Rare Aglaspidid Tremaglaspis sp.: Title: Rare Aglaspidid Tremaglaspis sp.Origin: MoroccoSize: 2.9 cm long - c. 13.5 x 11.5 cm (matrix)Description: Species: Tremaglaspis sp. Age: Lower Ordovician, "Formation des argiles de Fezouata" /

Rare Aglaspidid Tremaglaspis sp.

Fine rolled trilobite - Cheirurus (Crotalocephalina) gr. gibbus: Title: Fine rolled trilobite - Cheirurus (Crotalocephalina) gr. gibbusOrigin: MoroccoSize: 6.5 cm long (trilobite - if outstretched)Description: Species: Cheirurus (Crotalocephalina) gr. gibbus Age:

Fine rolled trilobite - Cheirurus (Crotalocephalina) gr. gibbus

Fine trilobite - Hollardops mesocristata: Title: Fine trilobite - Hollardops mesocristataOrigin: MoroccoSize: 6.6 cm long trilobiteDescription: Species: Hollardops mesocristata Age: Devonian Locality: Morocco Measurements: 6.6 cm long

Fine trilobite - Hollardops mesocristata

Fine miniature trilobite - Gerastos tuberculatus: Title: Fine miniature trilobite - Gerastos tuberculatusOrigin: MoroccoSize: 1.8 cm long (trilobite)Description: Species: Gerastos tuberculatus Age: Devonian Locality: Foum Zguid, Morocco

Fine miniature trilobite - Gerastos tuberculatus

Beautiful blue labradorite freeform: Title: Beautiful blue labradorite freeformOrigin: MadagascarSize: 14 x 10.5 cmDescription: Mineral: Labradorite Locality: Madagascar Measurements: 14 x 10.5 cm Weight: 1.6 kg Fine polished

Beautiful blue labradorite freeform

8 x 4 cm La Gardette Quartz on matrix: Title: 8 x 4 cm La Gardette Quartz on matrixOrigin: FranceSize: 8 x 4 cmDescription: Mineral: Quartz Locality: La Gardette, Isere, France Superb quartz druse from the celebrated La Gardette locality

8 x 4 cm La Gardette Quartz on matrix

Large fluorite on matrix: Title: Large fluorite on matrixOrigin: MadagascarSize: 24 x 15 x 6 cmDescription: Beautiful fluorite with large, deep green crystals. The color changes to purplish-blue under UV or sunlight (see last

Large fluorite on matrix

Large Celestite geode: Title: Large Celestite geodeOrigin: MadagascarSize: 26 x 19 x 18 cmDescription: Mineral: Celestite Locality: Madagascar Measurements: 26 x 19 x 18 cm Weight: 11.8 kg Large celestite with gorgeous

Large Celestite geode

Crystals of Apophyllite, calcite and heulandite on trap matrix: Title: Crystals of Apophyllite, calcite and heulandite on trap matrixOrigin: IndiaSize: c. 14 x 8.5 cmDescription: Crystals of Apophyllite, calcite and heulandite on trap matrix. Beautiful color and

Crystals of Apophyllite, calcite and heulandite on trap matrix

5.8 cm Polished Ocean Jasper sphere: Title: 5.8 cm Polished Ocean Jasper sphereOrigin: MadagascarSize: 5.8 cm diameterDescription: Species: Jasper (Ocean Jasper) Locality: Madagascar Diameter: 5.8 cm Weight: 0.25 kg Fine polished

5.8 cm Polished Ocean Jasper sphere

6.8 cm Polished Ocean Jasper sphere: Title: 6.8 cm Polished Ocean Jasper sphereOrigin: MadagascarSize: 6.8 cm diameterDescription: Species: Jasper (Ocean Jasper) Locality: Madagascar Diameter: 6.8 cm Weight: 0.42 kg Fine polished

6.8 cm Polished Ocean Jasper sphere

Fine Apophyllite and stilbite on calcite: Title: Fine Apophyllite and stilbite on calciteOrigin: IndiaSize: 4 x 4 cmDescription: Fine Apophyllite and stilbite on calcite. Beautiful color and luster. Measurements: 4 x 4 cm Weight: 29 g

Fine Apophyllite and stilbite on calcite

Classical Vizille Quartz on matrix: Title: Classical Vizille Quartz on matrixOrigin: FranceSize: 21 x 11 cmDescription: Outstanding quartz cluster from the famous Vizille locality. Largest crystals are 3 cm high. Measurements: 21 x 11

Classical Vizille Quartz on matrix

Rare elestial Vanadinite: Title: Rare elestial VanadiniteOrigin: MoroccoSize: 4 x 4.5 x 2.8 cmDescription: Rare elestial vanadinite. From the 2019 find. 4 x 4.5 x 2.8 cm. 192 g Reserve: $300.00 Shipping:Domestic: Flat-rate

Rare elestial Vanadinite

Flower of Amethyst crystals: Title: Flower of Amethyst crystalsOrigin: BrazilSize: 9.3 x 8.5 cmDescription: Fine amethyst flower. Beautiful luster and contrast. Deeper color in person. Measurements: 93 x 85 mm Weight: 133 g

Flower of Amethyst crystals

Featured

Superb trilobite Kolihapeltis bassei: Title: Superb trilobite Kolihapeltis bassei Origin: Morocco Size: c. 4.5 cm long trilobite Description: Species: Kolihapeltis bassei Age: Devonian, Kolihapeltis couche Locality: Atchana, Morocco Measu

Superb trilobite Kolihapeltis bassei

Featured

Fine trilobite combo - Crotalocephalina gr. gibbus and Phacopid: Title: Fine trilobite combo - Crotalocephalina gr. gibbus and Phacopid Origin: Morocco Size: c. 6.3 cm long Crotalocephalina Description: Species: Cheirurus (Crotalocephalina) gr. gibbus and Phacopida

Fine trilobite combo - Crotalocephalina gr. gibbus and Phacopid

Related Searches

Crystal Minerals Fossil Specimen Fossils and Minerals geological geology Mineral Rocks Mineral Specimens Mineralized Fossil Rare Rocks rock collection Price Results Auctions in New York

TOP