21093 - Unique Museum Grade Asaphid Trilobite With Preserved Antennae Ordovician Fezouata Fm Carcharodontosaurus Calamostachys

Calamostachys

The matrix has small glued fracture but no restored

Cu = 296 ug/g

Considering the minerals in the phenocrysts

plagioclase is albite rich Xab = 0

21093 - Unique Museum Grade Asaphid Trilobite With Preserved Antennae Ordovician Fezouata Fm Carcharodontosaurus CalamostachysIt is an Asaphid. Incredible specimen of this species which exceptionally preserve his antennae. It comes from the Lower Ordovician of the Famous Fezouata Formation. The Fezouata Formation occurs in the lower part of the Lower to lower Middle Ordovician Outer Feijas Group, in the western, central and eastern Anti Atlas Mountains, southern Morocco (Destombes et al. 1985; Gutierrez Marco & Martin 2016). It comes from The Konservat Lagersttten of Lower