2 trilobites on a single original matrix Carapace - Trilobites Paralejurus sp. and Reedops sp. - 85 mm - 81 mm - 39 mm






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Description from the seller
This fossil matrix combines two distinct trilobites on a single original matrix from the famous formations of Djebel Issoumour, in the Alnif area, southeast Morocco.
Both date back to the Middle Devonian, about 390 million years ago, when this region was submerged under the warm waters of the ancient Rheic Ocean.
The main trilobite is a Paralejurus sp., characterized by a smooth and compact body, with a large rounded pygidium and reduced dorsal segmentation. This appearance gives Paralejurus an aerodynamic shape, typical of benthic organisms adapted to live partially embedded in marine sediments.
The second trilobite, smaller and rolled up, belongs to the genus Reedops sp., easily recognizable by its well-developed schizocra eyes (composed of lenses visible to the naked eye) and a more sculpted glabella. Reedops was an active trilobite that probably moved agilely across the seabed, ready to defend itself by rolling up in case of danger.
The red sedimentary rock matrix preserves the natural surface intact and shows slight natural cracks (which can be clearly seen in the photo).
The preservation is excellent: the morphological details, such as the thoracic ridges, the granulation of the eyes, and the cephalic structure, are sharp and well-defined.
These fossils are highly representative of Devonian benthic fauna and testify to the exceptional biodiversity of ancient Paleozoic seas.
Age: Middle Devonian (about 390 million years ago)
Species: Paralejurus sp. (large) and Reedops sp. (small).
Order: Proetida (both)
Origin: Djebel Issoumour, Alnif, Morocco
Measurement of the Paralejurus (without matrix): 62 mm.
Reedops measurement: 20 mm
Condition: Authentic fossils on original matrix. Light localized conservation retouches (typical in the preparation of Moroccan trilobites).
Seller's Story
This fossil matrix combines two distinct trilobites on a single original matrix from the famous formations of Djebel Issoumour, in the Alnif area, southeast Morocco.
Both date back to the Middle Devonian, about 390 million years ago, when this region was submerged under the warm waters of the ancient Rheic Ocean.
The main trilobite is a Paralejurus sp., characterized by a smooth and compact body, with a large rounded pygidium and reduced dorsal segmentation. This appearance gives Paralejurus an aerodynamic shape, typical of benthic organisms adapted to live partially embedded in marine sediments.
The second trilobite, smaller and rolled up, belongs to the genus Reedops sp., easily recognizable by its well-developed schizocra eyes (composed of lenses visible to the naked eye) and a more sculpted glabella. Reedops was an active trilobite that probably moved agilely across the seabed, ready to defend itself by rolling up in case of danger.
The red sedimentary rock matrix preserves the natural surface intact and shows slight natural cracks (which can be clearly seen in the photo).
The preservation is excellent: the morphological details, such as the thoracic ridges, the granulation of the eyes, and the cephalic structure, are sharp and well-defined.
These fossils are highly representative of Devonian benthic fauna and testify to the exceptional biodiversity of ancient Paleozoic seas.
Age: Middle Devonian (about 390 million years ago)
Species: Paralejurus sp. (large) and Reedops sp. (small).
Order: Proetida (both)
Origin: Djebel Issoumour, Alnif, Morocco
Measurement of the Paralejurus (without matrix): 62 mm.
Reedops measurement: 20 mm
Condition: Authentic fossils on original matrix. Light localized conservation retouches (typical in the preparation of Moroccan trilobites).
