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Manuel Quiring

Museum-grade Koneprusia dahmani with secondary spines from Devonian Morocco – 3.5 cm, natural greyish colour, freestanding spines, minimal restoration.

Specimen ID: #9527
Locality: Jbel Oufaten, Anti-Atlas Mountains, Morocco
Collected on November 2024
Geological Period: Devonian
Matrix Size: 10.5 × 10.0 cm | Trilobite Size: 3.5 × 3.1 cm
Weight (with plastic box): 530 g


Exceptional Museum-Grade Specimen
This exceptional Koneprusia dahmani displays long primary spines and dense secondary microspines covering the pleural and pygidial spines, as well as the glabella. The specimen is freestanding and beautifully presented on its natural matrix from Jbel Oufaten, showcasing the characteristic warm tones of the Anti-Atlas Mountains.

The detail of exoskeleton preparation is impressive, showing tubercles on the cephalon and preserving the fossil's natural greyish colour.

All secondary spines were meticulously prepared over dozens of hours, with sandblasting techique.

Taxonomy
- Species: Koneprusia dahmani
- Family: Odontopleuridae
- Order: Lichida
- Class: Trilobita

Authenticity & Preparation: No restoration, except minimal crack filling on the exoskeleton and matrix — a standard and almost undetectable practice for authentic Moroccan specimens. 100% natural, with no painting, shadowing or composite additions. The specimen was carefully reassembled from naturally fractured pieces during preparation, as is typical for Devonian trilobites; no reconstruction or remounting was performed.

All spines are freestanding; presented on original natural matrix.

Perfect for serious collectors and museums seeking a scientifically significant, display-ready Devonian trilobite with exceptional spine preservation and fine surface detail.

High resolution pictures available at: https://www.mediterranic.com/FOSSILS-FOR-SALE/TRILOBITES/DEVONIAN/AVAILABLE/9527-koneprusia-dahmani-secondary-spines-morocco

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All our trilobites were repaired after being broken at the settlement (they were glued in the lab). The vast majority don't suffer any reconstruction (=restoration) or composition. That's something we are proud to maintain as a philosophy in our work. If so, we'll tell you for sure right here.

Legally sourced and shipped from Portugal with registered tracking.

Do not hesitate to ask any questions. We will be more than happy to provide any additional details.

You can consult our feedback, studies and other fossils here: https://www.mediterranic.com/ or https://www.cambrian521.com/ 


Fossilised animal

Koneprusia dahmani Trilobite with Secondary Spines - Fossilised animal - Jbel Oufaten, Morocco - 3,5 cm

Fossils

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Condition

Natural

Restored

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Excellent condition

Excellent condition - barely used with minimal signs of wear

Good condition - used with small signs of aging & blemishes

Period

Cretaceous (145 - 66 million years)

Neogene, Miocene (23.03 - 5.33 million years)

Cretaceous, Upper (100.5 - 66 million years)

Paleogene, Eocene (56 - 33.9 million years)

Cretaceous, Lower (145 - 100.5 million years)

Quaternary, Pleistocene (2.58 - 0.0117 million years)

Neogene (23.03 - 2.58 million years)

Devonian (419.2 - 358.9 million years)

Triassic (251.9 - 201.3 million years)

Jurassic (201.3 - 145 million years)

Jurassic, Upper (163.5 - 145 million years)

Jurassic, Lower (201.3 - 174.1 million years)

Ordovician (485.4 - 443.8 million years)

Triassic, Middle (247.2 - 237 million years)

Paleogene, Oligocene (33.9 - 23.03 million years)

Devonian, Middle (393.3 - 382.7 million years)

Paleozoic (541 - 251.9 million years)

Cambrian (541 - 485.4 million years)

Triassic, Lower (251.9 - 247.2 million years)

Carboniferous, Pennsylvanian (323.2 - 298.9 million years)

Quaternary (2.58 - 0 million years)

Permian (298.9 - 251.9 million years)

Jurassic, Middle (174.1 - 163.5 million years)

Triassic, Upper (237 - 201.3 million years)

Ordovician, Middle (470 - 458.4 million years)

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No laboratory report

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White

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1900-2000

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Conserved

Polished

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Adjustable

57 (EU) / 17 (IT) / 8 (US)

Large (18 - 18.5 cm)

53 (EU) / 13 (IT) / 6 ¼ (US)

56 (EU) / 16 (IT) / 7 ½ (US)

58 (EU) / 18 (IT) / 8 ¼ (US)

Pearl surface quality

Lightly spotted

Clean

Pearl luster

Good

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Koneprusia dahmani Trilobite with Secondary Spines - Fossilised animal - Jbel Oufaten, Morocco - 3,5 cm

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