Russian trilobite Asaphus ornatus

Asaphus ornatus

Trilobites Order Asaphida, Family Asaphidae

Geological Time: Middle Ordovician,

Size: 59 mm long by 40 mm wide

Fossil Site: Lasnamjagi Horizon, St. Petersburg region, Wolchow river, Russia

Description: A well-inflated example of a scarce Asaphid, this is Asaphus ornatus. The species derives its name from the ornate terracing seen here. The golden calcite exoskeleton is complemented by the white limestone matrix, and is very 3-D in aspect. This species was the last surviving member of the genus in the region. Also see: Russian Ordovician Trilobite Evolution.

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Rare Russian trilobite Asaphus ornatus

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