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Russian Trilobite Cybele bellatula Cybele bellatula Trilobite Order Phacopida, Family Encrinuridae Russian Phacopid Trilobite Geological Time: Lower Ordovician Size: 45 mm Fossil Site: Kunda Level deposits of the Wolchow River region near Saint Petersburg, Russia

Erbenochile: Family, Acastidae, Superfamily Acastoidea, Suborder Phacopina, ORDER PHACOPIDA

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Oklahoma trilobite Dicranurus hamatus elegantus

最近産出量がめっきり減ったキファスピス(デビルズホーン) Cyphaspis(Devil's Horn)/古生代デボン紀(4億1000万 -- 3億6700万年前)/3cm(本体最長部カーブ計測) / 母岩 5.8cm×4.5cm×1.5cm

Cyrtometopus clavifrons Trilobite Trilobites Order Phacopida, Suborder Cheirurina, Superfamily Cheiruroidea, Family Cheiruridae Geologic Time: Lower Ordovician, Kunda Horizon Size: 35 mm Fossil Site: Wolchow River Region, Kunda Horizon, St. Petersburg region, Wolchow river, Russia

trilobite (Phacops megalomanicus)

Ordovician trilobite (Russia)

Bristolia bristolensis T01.JPG

Trilobite