With schizochroal eye facets
Time: Middle Devonian
are 20 mm long (curve measure) by 11 mm wide and 19 mm long by 10 mm wide
(curve measure) on a 55 by 70 mm matrix.
This fossil comes from a new location known as Jorf in Morocco, close
to the site from which the polished goniatite ammonites originate.
The preservation of the exoskeleton is reminiscent of them in terms
of texture, unlike many trilobites from Morocco. This is a natural
double of a trilobite known as Struveaspis. Struveaspis is a most
uncommon taxon found in the Devonian of Morocco and the Czech Republic.
Most have a smooth cranidium and few facets in tiny eyes. The fact
that these display some rugosity to the cephalon seems to indicate
that they may well be a new species. Many of the trilobite from Jorf
appear to be new to science, and these are no exception.
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l Trace & Ichnofossils l Trilobite