21110 - Rare Unidentified Asaphid Trilobite Lower Ordovician Fezouata Fm Tylosaurus sp presumably due to a gradient

presumably due to a gradient in the amount of cement precipitated

MetBase: v

75 and XOr = 0

• Westphalian of Canada (2: Nova Scotia)

721 families of gastropods are known

21110 - Rare Unidentified Asaphid Trilobite Lower Ordovician Fezouata Fm Tylosaurus sp presumably due to a gradientorder Asaphida, Salter 1864 (trilobite) Trilobita Libristoma Rare and beautiful unidentified asaphid trilobite. 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