21095 - Top Rare Megistapis (Ekeraspis) cf filacovi Trilobite Lower Ordovician Fezouata Fm Hollardops Whittington & Briggs 1985

Whittington & Briggs 1985

Didrepanon

this taxon was classified as Plesiosaurus mauritanicus

History: Recovered in April 2014 near the borders of Mauritania

Precious association of 2 teeth in matrix of Cretolamna maroccana (Mackerel Shark) from the phosphate deposits of the Ouled Abdoun Basin (Morocco)

21095 - Top Rare Megistapis (Ekeraspis) cf filacovi Trilobite Lower Ordovician Fezouata Fm Hollardops Whittington & Briggs 1985Top rare trilobite species. Positive Negative specimen. 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 Fezouata Fm that spans the entire Tremadoc stage of the Ordovician system and is only present in the Moroccan