21037 - Amazing Lehua sp Lower Ordovician Trilobite Fezouata Fm Primitive arthropods but more typically as irregular

but more typically as irregular masses and fracture fillings

• Oligocene of Argentina (1)

and the matrix is below to 70 μm

Some cephalons of Nankinolithus can also be observed in the same matrix

Leiostegina

21037 - Amazing Lehua sp Lower Ordovician Trilobite Fezouata Fm Primitive arthropods but more typically as irregularLehua sp, Barton 1920 (trilobite) Trilobita Phacopida Cheiruridae Top rare trilobite species. 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