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Odontopleuridae - Odontopleurid

Spiny Ceratonurus Trilobite 85mm

£1,132.00 GBP RRP £1,192.00 GBP

This particular spiny variety of trilobite is a Ceratonurus measuring 85mm and is most recognisable for its delicate display of gliding spines. This individual has numerous short spines forming a frill on the front leading edge of the librigenes (facial cheeks), with very long genal spines (Headshield spines), which are angled almost horizontally at an angle of around 75° from the cephalon (head). Two elegantly tapering backwards curving spines 'resembling horns' erupt from the occipital ring, while long spines emanate from the 3rd, 4th and 5th pleura (segments - furrows of the carapace). The 6th pleura has the longest spines. The pygidium (tail), has many short spines and a posterior frill of even smaller short spines. All these spines indicate a defensive system for the trilobite.

A remarkable trilobite with a remarkable amount of defensive spines all well exposed and in this specimen articulated in a very dramatic display. The preservation is excellent and the preparatory work is a delight to behold. Definitely a recommended example and another of our firm favourites.

The reddish-brown colour of the matrix denotes the red layer location. Our team of Moroccan fossil technicians have excavated the raw rock and have with specialist technical process's using pneumatic power tools ground the limestone away from the specimen trilobite revealing the fine and extremely delicate spines. This first-hand knowledge is valuable to our team, the fossil has travelled directly from the fossil location to our store, a unique product delivery.

Ceratonurus Spiny Trilobite 85mm in overall length in the fossil matrix which is found in the 'couche rouge', Red fossil layer, as is the Crotalocephalus trilobite at the same location in the same red layers. A remarkably well-preserved fossil arthropod displaying excellent preparation and conservation which enables us a glimpse back in time to the Devonian era, and into the life of this particular arthropod, invertebrate trilobites which once proliferated the sea's 400 million years ago. Some were free swimmers, most lived solely on the sea bottom, with appendages and spines which were for defence. The bottom of the murky seas could have been a very poorly lit place, disturbed by the multitude of foraging marine life. Read our description below or to read more about the Class Trilobita, follow this link to discover another world.

Genus: Ceratonurus Spiny Trilobite. Family Odontopleuridae, Odontopleurid.
Age: Palaeozoic, Middle Devonian, Pragian, 411,000,000 to 408,000,000 years.
Origin: Jdel Oufatene Formation, Nr Foum Ziguid, Morocco, North Africa.

Ceratonurus measurements.
Length: 5.3 cm
Width: 6.8 cm
Height: 3.7 cm

Overall measurement.
Depth: 7.0 cm
Width: 8.5 cm
Height: 6.9 cm

Weight: 0.200 g

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