Proceratocephala terribilis Museum Trilobite

Spectacularly Spined Odontopleurid

Proceratocephala terribilis

Trilobites Order Odontopleurida, Family Odontopleuridae

Geological Time: Lower Ordovician

Size: Trilobite is 35 mm long

Fossil Site: Lower Ktaoua Formation, Tazzarine, Morocco

Proceratocephala terribilisDescription: Elegant example of an unusual trilobite which as an Odontopleurid has many fine relatives in Dicranurus, Leonaspis, and Ceratonurus. This one has a plethora of spines, most of which have been painstakingly prepared freestanding, making for a spectacular display piece. To what purpose could such a spiny Proceratocephala terribilis Devonian Moroccan Trilobite armament be put? The answer DEFENSE cries out; any advantage a prey species could evolve would stand it in good stead in the eternal predator/prey arms race. I have seen this one listed as Diacanthaspis in commercial offerings, but this one is different in possession of paired spines in the axial ring. This one is a member of the genus Proceratocephala. The known species, Proceratocephala terribilis has three spines between the long pygidial spines, as does this one. it is a truly stunning Lower Ordovician trilobite, one destined to be a cornerstone of any collection, be it public or private.

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Proceratocephala terribilis Museum Trilobite

Proceratocephala terribilis

Proceratocephala   Spectacularly Spined Odontopleurid Trilobite

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