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Foulonia sp Trilobites Order Phacopida, Family Cheiruridae Geological Time: Lower Ordovician Size: Trilobite is 70 mm long Fossil Site: Fezouata Formation, Zagora, Morocco

Metacanthina issoumourensis Trilobites Order Phacopida, Superfamily Acastoidea, Family Acastidae, Subfamily Asteropyginae Geological Time: Middle Devonian Size (25.4 mm = 1 inch): Trilobite is 55 mm long (curve measure) by 30 mm wide on a 90 by 80 mm matrix Fossil Site: Jebel Issoumour, Alnif, Morocco

Trilobite Harpides sp Lower Fezouata Shales, Dra Valley, Morocco Perhaps the best preserved specimen of this rare species yet discovered.

Trilobite Protolenus densigranulatus, Middle Cambrian, Jbel Wawrmast Formation (Tissafinian Stage), Morocco. Quality trilobites from the Cambrian of Morocco are far less common than their Devonian counterparts. Only in the last few years have these trilobites become generally available. Ones of this quality preservation are quite uncommon.

Trilobite Isoteloides flexus Millard County, Utah is famous for the quality, and quantity of its Middle to Upper Middle Cambrian period trilobites. The Ordovician period is also well known, but far fewer trilobites are known and available from these areas. The associates at Fossil Mall have recently leased the most famous and productive of the Ordovician quarry sites. We have named it the Pyramid Ridge Quarry.