Two Spiny Ceratarges, Morocops & Gerastos Trilobites

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
This is a composite piece, meaning that all of the trilobites are real, but they were not found in natural association. They were composited onto a single piece of limestone for display purposes. There is a 1.75" Ceratarges koumalii which is the one trilobite in it's original position. It's very nice specimen of the species with great preparation. There is a 1.6" Ceratarges koumalii which has a little bit of disarticulation but otherwise is in good shape. There is also a .9" Gerastos and a 2.1" Morocops (formerly Barrandeops). Even though it's a composite, it's a great display piece, with fantastic examples of four different trilobite species.

There are currently about 5 different species of Certarges described from Morocco each a slight variation on the others. A paper describing some of these species can be found at:

NEW SPECIES OF THE LICHID TRILOBITE CERATARGES FROM THE MIDDLE DEVONIAN IN MOROCCO
FOR SALE
$895
DETAILS
SPECIES
Ceratarges ziregensis, Ceratarges koumalii, Morocops, Gerastos
LOCATION
Zireg, Morocco
FORMATION
El Otfal Formation
SIZE
1.7" long (including spines)
SUB CATEGORY
ITEM
#108697
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