21101 - Amazing Lehua sp Lower Ordovician Trilobite Fezouata Fm Tyrannosaurus rex Parent taxon: Alethopteridae according to

Parent taxon: Alethopteridae according to D

• Paleocene of United States (Mississippi)

Sambremeusaspis

Calvo and Salgado 1996

Its preservation state is exceptional

21101 - Amazing Lehua sp Lower Ordovician Trilobite Fezouata Fm Tyrannosaurus rex Parent taxon: Alethopteridae according toLehua 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