|
| |
|
|
Naraoia
sp.
A so-called soft-bodied trilobite
Middle Cambrian
Marjum Formation, Millard County, Utah |
Peachella
brevasina (exceedingly rare)
Order Redlichiida Superfamily Olenelloidea
Late, Lower Cambrian
Cararra Formation, Nopah Range, Inyo County, California |
| |
|
|
|
| |
|
|
|
|
|
|
|
Glyphaspis
capella
Superfamily Anomocaroidea Family Anomocarellidae
Middle Cambrian
Wolsey Formation, Montana |
|
|
|
|
|
|
|
Olenellus
chiefensis
Order Redlichiida
Family Olenellidae
Lower Cambrian
Pioche Shale, Lincoln County, Nevada |
|
|
|
|
|
|
|
|
|
|
Olenellus
fowleri
Order Redlichiida
Family Olenellidae
Lower Cambrian
Pioche Shale, Lincoln County, Nevada |
|
|
|
|
|
Olenellus
sp.
Order Redlichiida
Superfamily Olenelloidea
Lower Cambrian
Eager formation, B.C., Canada |
|
Peronopsis
segmenta
Order Agnostida
Family Peronopsidae
Middle
Cambrian
Wheeler Shale
Millard County, Utah |
|
|
|
|
Esmeraldina (Palmettaspis) sp.
Lower Cambrian
Esmeralda County, Nevada |
Brachyaspidion
sulcatum
Order Ptychopariida
Family Kingstoniidae
Middle Cambrian
Wheeler Shale
Millard County, Utah |
|
|
|
|
|
|
Brachyaspidian sulcatum
Order
Ptychopariida
Suborder Ptychopariina
Superfamily Ptychoparioidea
Family Kingstoniidae
Middle Cambrian
Wheeler Shale
Millard County, Utah
|
|
|
|
|
|
|
|
Olenellus
clarki
Order
Redlichiida
Family Olenellidae
Subfamily Olenellinae
Lower Cambrian
Latham Shale, San Bernardino County, California
|
|
Ptychagnostus
akanthodes
Order Agnostida
Family Ptychagnostidae
Subfamily Ptychagnostinae
Middle Cambrian
Marjum Formation
Millard County, Utah |
Olenellus
gilberti
Order Redlichiida
Suborder Olenellina Superfamily Olenelloidea Family Olenellidae
Subfamily Olenellinae
Lower Cambrian
Pioche Shale, Lincoln County Nevada |
|
|
|
|
|
|
|
|
|
|
|
|
|
Genevievella
granulatus (rare)
(formerly: Democephalus granulatus)
Family: Llanoaspididae
Middle Cambrian
Wolsey Formation
Mntana |
|
|
|
|
|
|
 |
Ptyocephalus
declivita
(extremely rare)
Order Asaphida
Superfamily Asaphoidea
Family Asaphidae
Ordovician
Wah Wah Formation
Millard County, Utah |
Rare
Isoteloides flexus
Order Asaphida
Superfamily Asaphoidea Family Asaphidae
Ordovician
Fillmore Formation, Millard County, Utah |
|
|
|
|
|
|
Paratrinucleus
acervulosus
Order Asaphida
Family Trinucleidae
Upper Ordovician
Blacksburg, Virginia |
Presbynileus
ibexensis
Order Asaphida
Superfamily Asaphoidea
Family Asaphidae
Fillmore Formation, Millard County, Utah
|
Isotelus
maximus
Order Asaphida
Superfamily Asaphoidea
Family Asaphidae
Subfamily Asaphinae
Upper Ordovician
Arnheim Formation
Highland County, Ohio |
Flexicalymene
retrorsa
Order Phacopida
Suborder Calymenina
Superfamily Calymenoidea
Family Calymenidae
Ordovician
Richmond Formation (Arnheim Member), Mount Orab, Ohio |
|
|
|
|
Homotelus
florencevillensis
Order Asaphida
Family Asaphidae
Subfamily: Isotelinae
Upper Ordovician
Clayton County, Iowa |
Cryptolithus
bellulus
Order Asaphida
Family Trinucleidae
Upper Ordovician
Swatara Gap
Pennsylvania |
Bathyurellus
teretus
Order Proetida
Superfamily Bathyuroidea
Family Bathyuridae
Lower Ordovician
Fillmore Formation
Millard County, Utah |
Ptyocephalus
yersini
Order Asaphida
Superfamily Asaphoidea
Family Asaphidae
Subfamily Ptyocephalinae
Ordovician
Fillmore Formation
Millard County, Utah |
 |
|
|
|
Pseudocybele
lemurei
Order Phacopida
Family Pliomeridae
Ordovician
Fillmore Formation
Millard County, Utah |
|
|
Carolinites
sp. aff. C. genacinaca
(exceedingly rare)
Order Proetida
Ordovician
Fillmore Formation Pogonip Group
Millard county, Utah
|
|
|
|
|
|
|
Arctinurus
boltoni
Order Lichida
Superfamily Lichoidea
Family Lichidae
Subfamily Lichinae
Middle Silurian
Rochester Shale Formation
Middleport, New York |
Dalmanites
limulurus
Order Phacopida
Family Dalmanitidae
Middle Silurian
Rochester Shale Formation
Middleport, New York |
Comptonaspis
swallowi
Order Proetida
Superfamily Aulacopleuroidea
Family Aulacopleuriidae
Silurian
Waldron Shale, Indiana |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cysphaspis
carrolli
Order Proetida
Suborder Proetina Superfamily Aulacopleuroidea
Family Aulacopleuridae
Lower Devonian
Haragan
Formation
Coal County, Oklahoma |
|
Phacops
rana milleri
Order Phacopida
Superorder Phacopina
Superfamily Phacopoidea
Family Phacopidae
Devonian
Silica Shale, Sylvania, Ohio |
|
|
|
|
Paciphacops
birdsongensis
Order Phacopida
Superorder Phacopina
Superfamily Phacopoidea
Family Phacopidae
Lower Devonian
Birdsong Formation, Benton County, Tennessee |
Phacops
(Eldredgeops) rana crassituberculata
Order Phacopida
Superorder Phacopina
Superfamily Phacopoidea
Family Phacopidae
Middle Devonian
Silica Shale Formation, Paulding, Ohio |
Phacops
rana norwoodensis
Order Phacopida
Superorder Phacopina
Superfamily Phacopoidea
Family Phacopidae
Devonian
Cedar Valley Formation, Johnson County, Iowa |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Griffithides
bufo
Order Proetida
Superfamily Proetoidea Family
Proetidae
Mississippian
Edwardsville Formation, Crawfordsville, Indiana |
Breviphillipsia
sampsoni
Order Proetida
Superfamily Proetoidea Family
Proetidae
Mississippian
Chouteau Formation
Saline County, Missouri |
Comptonaspis
swallowi
Order Proetida
Superfamily Proetoidea Family
Proetidae
Mississippian
Chouteau Formation
Saline County, Missouri |
|
