AA - Museum Grade 5.90'' Asaphid Trilobite With Preserved Antennae Ordovician

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AA - Museum Grade 5.90'' Asaphid Trilobite With Preserved Antennae Ordovician

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AA - Museum Grade 5.90'' Asaphid Trilobite With Preserved Antennae Ordovician - Xavier Order
. mm   •    in
80 g   •    oz
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AA - Museum Grade 5.90'' Asaphid Trilobite With Preserved Antennae Ordovician(143911241463)

SPECIES Asaphid Trilobite With Preserved Antennae
AGE Lower Ordovician, Upper Tremadocian stage (~480 Million Years)
LOCATION North of Zagora, South Morocco
FORMATION Lower Fezouata Formation (Outer Feijas Group)
SIZE 150 mm   •   5.90 in

Observations: It is an Asaphid trilobite. Incredible specimen of this species which exceptionally preserve his antennae. 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.

It has some glued fractures. Unique and Museum Grade specimen.

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