00740 - Nicely Preserved 1.82 Inch ASAPHELLUS SP Ordovician Trilobite Fezouata Fm Theropods_Claws_and_Bones Additionally

Additionally

Beautiful example of this species of shark of the Hexanchidae family

they were extracted from the same stratigraphic level

this taxon was classified as Plesiosaurus mauritanicus

with very beautiful red tonalities

00740 - Nicely Preserved 1.82 Inch ASAPHELLUS SP Ordovician Trilobite Fezouata Fm Theropods_Claws_and_Bones AdditionallyIt 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 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