Explore Western Trilobite, Trilobite Association and more!

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http://www.westerntrilobites.com/Images/trilo11-4.B.caperata.jpg

Name: Elrathina cordillerae (Rominger, 1887) (= Ptychoparella cordillerae)  Order Ptychopariida, Superfamily Ptychparioidea, Family Ptychopariidae  Locality: Pend Oreille County, Washington   Stratigraphy: Middle Cambrian, Metaline Limestone

Name: Elrathina cordillerae (Rominger, 1887) (= Ptychoparella cordillerae) Order Ptychopariida, Superfamily Ptychparioidea, Family Ptychopariidae Locality: Pend Oreille County, Washington Stratigraphy: Middle Cambrian, Metaline Limestone

Name: Alokistocare charax  Order Ptychopariida, Superfamily Ptychparioidea, Family Alokistocaridae  Locality: northwestern Montana   Stratigraphy: Gordon Shale, Middle Cambrian

Name: Alokistocare charax Order Ptychopariida, Superfamily Ptychparioidea, Family Alokistocaridae Locality: northwestern Montana Stratigraphy: Gordon Shale, Middle Cambrian

Albertella longwelli (Palmer in Palmer and Halley, 1979) Trilobite Order Corynexochida, Family Zacanhoididae Geological Time: Middle Cambrian Size: Trilobite is 42 mm long Fossil Site: Jangle Limestone, Carrara Formation, “Johnny site”, Pahrump, Nevada

Albertella longwelli (Palmer in Palmer and Halley, 1979) Trilobite Order Corynexochida, Family Zacanhoididae Geological Time: Middle Cambrian Size: Trilobite is 42 mm long Fossil Site: Jangle Limestone, Carrara Formation, “Johnny site”, Pahrump, Nevada

Modocia hewlisca Trilobites Order Ptychopariida Suborder Ptychopariina, Superfamily Ptychoparioidea, Family Marjumiidae Geologic Age: Upper Middle Cambrian Remarks: Note the prominent Opisthoparian facial sutures, a typical characteristic of the Ptychopariids

Modocia hewlisca Trilobites Order Ptychopariida Suborder Ptychopariina, Superfamily Ptychoparioidea, Family Marjumiidae Geologic Age: Upper Middle Cambrian Remarks: Note the prominent Opisthoparian facial sutures, a typical characteristic of the Ptychopariids

Name: Olenellus terminatus (Palmer, 1998)  Subfamily: Olenellinae Walcott, 1890 Family: Olenellidae Walcott, 1890  Locality: Clark Co., Nevada  Stratigraphy: Combined Metals Member, Pioche Fm, Middle Cambrian

Name: Olenellus terminatus (Palmer, 1998) Subfamily: Olenellinae Walcott, 1890 Family: Olenellidae Walcott, 1890 Locality: Clark Co., Nevada Stratigraphy: Combined Metals Member, Pioche Fm, Middle Cambrian

Name: Oryctocephalus indicus  (Reed, 1910) Trilobites Order Corynexochida, Suborder Corynexochina, Superfamily Corynexochoidea, Family Oryctocephalidae  Locality: Lincoln Co., Nevada  Stratigraphy: left: undescribed unit equivalent with the Emigrant Formation.   right: Emigrant Formation, Middle Cambrian

Name: Oryctocephalus indicus (Reed, 1910) Trilobites Order Corynexochida, Suborder Corynexochina, Superfamily Corynexochoidea, Family Oryctocephalidae Locality: Lincoln Co., Nevada Stratigraphy: left: undescribed unit equivalent with the Emigrant Formation. right: Emigrant Formation, Middle Cambrian

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