21124 - Great Lehua sp Lower Ordovician Trilobite Fezouata Fm
21124 - Great Lehua sp Lower Ordovician Trilobite Fezouata Fm 21124 - Great Lehua sp Lower Ordovician Trilobite Fezouata Fm 21124 - Great Lehua sp Lower Ordovician Trilobite Fezouata Fm 21124 - Great Lehua sp Lower Ordovician Trilobite Fezouata Fm

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21124 - Great Lehua sp Lower Ordovician Trilobite Fezouata Fm

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†Lehua sp, Barton (1920) - Trilobite
Lower Ordovician, Floian stage (~477 Million Years)
North of Zagora, South Morocco
Upper Fezouata Formation (Outer Feijas Group)
15.6 mm   •    in
406 g   •    oz
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Lehua 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-Lagerstätten of Lower Fezouata Fm that spans the entire Tremadoc stage of the Ordovician system and is only present in the Moroccan Anti-Atlas. The discovery of the Fezouata biota in the latest Tremadocian of southeastern Morocco has significantly changed our understanding of the early Phanerozoic radiation. The shelly fossil record shows a well-recognized pattern of macroevolutionary stasis between the Cambrian Explosion and the Great Ordovician Biodiversification Event, but the rich soft-bodied Fezouata biota paints a different evolutionary picture. The Fezouata assemblage includes a considerable component of Cambrian holdovers alongside a surprising number of crown group taxa previously unknown to have evolved by the Early Ordovician. Study of the Fezouata biota is in its early stages, and future discoveries will continue to enrich our view of the dynamics of the early Phanerozoic radiation and of the nature of the fossil record.

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