20031 - Museum Grade Bavarilla zemmourensis with Preserved Antennae Lower Ordovician Trilobite Clypeaster The shelly fossil record shows

The shelly fossil record shows a well-recognized pattern of macroevolutionary stasis between the Cambrian Explosion and the Great Ordovician Biodiversification Event

Huge vertebra of Zarafasaura oceanis

Country: Morocco

which occupied a lower position in the gum)

Etymology:

20031 - Museum Grade Bavarilla zemmourensis with Preserved Antennae Lower Ordovician Trilobite Clypeaster The shelly fossil record showsBavarilla sp, Barrande 1868 (trilobite) Trilobita Phacopida Bavarillidae Incredible specimen of this species which exceptionally preserve his antennae. It comes from the Lower Ordovician of the Famous Fezouata Formation. The conservation of soft parts in the fossil record is somewhat exceptional and only occurs under certain and exclusive taphonomic conditions. For example, anoxic substrates without oxygen, where the organic matter has difficulty