21088 - Museum Grade Bavarilla zemmourensis with Preserved Antennae Lower Ordovician Trilobite Pleuroceras Troilite not surrounded by schreibersite

Troilite not surrounded by schreibersite

Metal-coated crystals are natural crystals

snakes and varanidae lizards

Bulletin of the American Museum of Natural History 232:1-127

2 and 3) of iddingsite (reddish border)

21088 - Museum Grade Bavarilla zemmourensis with Preserved Antennae Lower Ordovician Trilobite Pleuroceras Troilite not surrounded by schreibersiteBavarilla 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. Positive + Negative specimen. 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