77002- Top Rare Lower Ordovician Fezouata Fm SYMPHYSURUS PALPEBROSUS Trilobite
$63.57
Sale price
$63.57
Regular price
$81.50
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Nicely extremely rare specimen of this interesting species. 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 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. The matrix has some glued fractures.
77002- Top Rare Lower Ordovician Fezouata Fm SYMPHYSURUS PALPEBROSUS Trilobite
$63.57
Sale price
$63.57
Regular price
$81.50