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Image Taxonomy Stratigraphy Time Scale Location Statistics Triarthrus
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Ptychopariida
Family: Olenidae
Genus: Triarthrus
Species: Triarthrus spinosus
Billings
Eon: Phanerozoic
Era: Paleozoic
Period: Ordovician
Sub Period: None
Epoch: Late
Hurdman Station
Ottawa
Ontario
Canada
Triarthrus
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Ptychopariida
Family: Olenidae
Genus: Triarthrus
Species: Triarthrus spinosus
Billings Formation
Eon: Phanerozoic
Era: Paleozoic
Period: Ordovician
Sub Period: None
Epoch: Late
Hurdman Station
Ottawa
Ontario
Canada
Triarthrus
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Ptychopariida
Family: Olenidae
Genus: Triarthrus
Species: Triarthrus rougensis
Billings Formation
Eon: Phanerozoic
Era: Paleozoic
Period: Ordovician
Sub Period: None
Epoch: Late
Hurdman Station
Ottawa
Ontario
Canada
Triarthrus
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Ptychopariida
Family: Olenidae
Genus: Triarthrus
Species: Triarthrus eatoni
Billings Formation
Eon: Phanerozoic
Era: Paleozoic
Period: Ordovician
Sub Period: None
Epoch: Late
Hurdman Station
Ottawa
Ontario
Canada
Triarthrus
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Ptychopariida
Family: Olenidae
Genus: Triarthrus
Species: Triarthrus eatoni
Billings Formation
Eon: Phanerozoic
Era: Paleozoic
Period: Ordovician
Sub Period: None
Epoch: Late
Hurdman Station
Ottawa
Ontario
Canada
Triarthrus
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Ptychopariida
Family: Olenidae
Genus: Triarthrus
Species: T. eatoni
Billings Formation
Eon: Phanerozoic
Era: Paleozoic
Period: Ordovician
Epoch: Late
Hurdman Station
Ottawa
Ontario
Canada
Rielaspis
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Phacopida
Family: Encrinuridae
Genus: Rielaspis
Species: Rielaspis elegantula
Thornloe Formation
Eon: Phanerozoic
Era: Paleozoic
Period: Silurian
Sub Period: None
Epoch: Middle
International Age: Llandovery
Ontario
Canada
Perenopsis
Kingdom: Animalia
Phylum: Euarthropoda
Class: Trilobita
Order: Agnostida
Family: Peronopsidae
Genus: Itagnostus
Species: Itagnostus interstricta
Wheeler Shale Formation
Eon: Phanerozoic
Era: Paleozoic
Period: Cambrian
Sub Period: None
Epoch: Middle
U-Dig Quarry
Millard County
Utah
United States
Paraceraurus macrophthalmus
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Phacopida
Family: Cheiruridae
Genus: Paraceraurus
Species: Paraceraurus macrophthalmus
Asery Formation
Eon: Phanerozoic
Era: Paleozoic
Period: Ordovician
Sub Period: None
Epoch: Middle
International Age: Darriwilian
Vilpovitsy Quarry
St. Petersburg Region
Russia
Catalog #: TFF-SW02
Modocia typicalis
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Ptychopariida
Family: Marjumiidae
Genus: Modocia
Species: Modocia typicalis
Marjum Formation
Eon: Phanerozoic
Era: Paleozoic
Period: Cambrian
Sub Period: None
Epoch: Middle
Marjum Formations near U-Dig Quarry
Millard County
UT
United States
Modocia typicalis
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Ptychopariida
Family: Marjumiidae
Genus: Modocia
Species: Modocia typicalis
Marjum Formation
Eon: Phanerozoic
Era: Paleozoic
Period: Cambrian
Sub Period: None
Epoch: Middle
Marjum Formations near U-Dig Quarry
Millard County
UT
United States