4.2" Rare, Kierarges Trilobites - Fezouata Formation

This is a large, 4.2" example of a fairly rare Asaphid trilobite from the Fezouata Formation, Kierarges morrisoni (Corbacho, 2014). There is a Asaphellus trilobite near its tail along with a Hyolithid also present on the rock.

Kierarges morrisoni: Un nuevo género de Isotelinae (Trilobita) del Floiense de Portugal y Marruecos