Spectacular Crotalocephalus (Cyrtometopus) Moroccan Trilobites
"Natural Double"

Crotalocephalus (“Cyrtometopus”) sp.

Trilobites Order Phacopida, Family Cheiruridae

Geological Time: Devonian

Size (25.4 mm = 1 inch): 43 mm long by 29 mm wide and 45 mm long by 27 mm wide on a 57 by 42 mm matrix

Fossil Site: Mount Issimour, Alnif , Morocco

Fossil Code: 05043

Price: $995.00


Crotalocephalus (Cyrtometopus) TrilobitesDescription: Elegant example of a pair of members of the Order Phacopida, Family Cheiruridae with many fine details present. The most diagnostic features of this taxon are the sharp pleural and pygidial spines and the distinctive cephalic projections. Until recently, this one has been called Cyrtometopus. This year at the Tucson show I was told by one of the foremost collectors of trilobites that he had been told by Richard Fortey that it was actually a type of Crtotalocephalus. I will also leave the name Cyrtometopus here for those confused by the name which is often associated with an altogether different trilobite. The spines may have aided it in staying at the surface of the soft seafloor. This is a NATURAL pair, and as you can see was quite difficult to prepare. They are well displayed upon this finely-sculpted matrix.

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