Gem Dalmanitina Proeva Trilobite

Dalmanitina proeva

Trilobites Order Phacopida, Family Dalmanitidae

Geological Time: Lower Ordovician

Size: Trilobite is 149 mm by 90 mm on a 200 mm by 135 mm matrix

Fossil Site: Ktoua Formation, El Kaid Errami, Morocco

Dalmanitina proevaDescription: This is a fine example of an Ordovician dalmanitid trilobite known as Dalmanitina proeva. It is a large example with incredible details. Note the presence of eye facets, something often not preserved. When I showed this one to a noted expert collector he termed it the best example of the taxon to have come from Morocco. There is a small crinoid attached at the lower left plural lobe. It was deemed prudent to not prepare it away in order not to risk damage to this fine specimen.



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