Ptychopariid Trilobites

Fossil Mall
Science Section


Trilobites of Order Ptychopariida

Ptychopariid Trilobite Fossils

Weeks Trilobites Death Assemblage
Families Cedariidae & Marjumiidae
Weeks Formation, Utah
Rare Selenocoryphe platyura
Family Uncertain
Weeks Formation, Utah
Modocia weeksensis
Family Marjumiidae
Weeks Formation, Utah
Modocia typicalis
Family Marjumiidae
Marjum Formation, Utah
Dresbachia amata
Triarthrus eatoni
Family Alokistocaridae
Family Menomoniidae
Family Llanoaspididae
Family Olenidae
Wheeler Formation, Utah
Weeks Formation, Utah
Weeks Formation, Utah
Lorraine Shale, Lewis County, New York
Weeksina
Family Alokistocaridae
Family Lonchocephalidae
Family Asaphiscidae
Family Ptychopariidae
Pierson Cove Formation, Utah
Weeks Formation, Utah
Wheeler Formation, Utah
Chisholm Shale, Nevada
Parabolina 
Elrathia Marjumi
 Family Olenidae
?
Family Olenidae
Family Ptychopariidae
Trinity Bay, Newfoundland
Cranbrook, British Columbia
Cordillera Formation, Argentina
Marjum Formation, Utah
Megapaleolenus 
Hatangia Trilobites
Triarthrus eatoni
Hatangia scita
Family Proasaphiscidae
Siberia, Russia
Triarthrus eatoni
Family Olenidae
Family Trinucleidae
Lorraine Shale, New York
Tricrepicephalus coria
Family Tricrepicephalidae
Weeks Formation, Utah
Bolaspidella drumensis
Protolenus termierelloides
   
Bolaspidella drumensis
Family Menomiidae
Wheeler Formation, Utah
Family Trinucleidae
Czech Republic
Protolenus (Hupeolenus) cf termierelloides Trilobite
Early Cambrian
Family Ellipsocephalidae
Issafen, Morocco
   

 

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