Trilobites of Oklahoma
 

Frisco Formation, Arbuckle Mts., Criner Hills (Hunton Group) - Lower Devonian
 

Trilobites:

Odontochile ceraunus
Otarion? sp. A
Paciphacops (P.) sp.?
Proetus?
Terataspis?
Viaphacops bombifrons

Comments:

References:

K.S.W. Campbell, (1977) Trilobites of the Haragan, Bois D'Arc and Frisco Formations (Early Devonian) Arbuckle Mountains Region, Oklahoma. Okla.Geo.Surv. Bull.123

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Bois d'Arc Formation, Fittstown Member, Arbuckle Mts., Criner Hills (Hunton Group) - Lower Devonian

Trilobites:

Breviscutellum sp.
Coniproetus sp.?
Dechenellid?
Dicranurus hamatus elegantus
Huntoniatonia (H.) purduei fittstownensis
Huntoniatonia (Prosocephalus) xylabion
Kainops invius
Maurotarion axitiosum
Paciphacops (P.) birdsongensis
Phalangocephalus rutabulum
Viaphacops sp aff bombifrons
Zlichovaspis syncrama

Comments:

References:

K.S.W. Campbell, (1977) Trilobites of the Haragan, Bois D'Arc and Frisco Formations (Early Devonian) Arbuckle Mountains Region, Oklahoma. Okla.Geo.Surv. Bull.123

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Bois d'Arc Formation, Cravatt Member, Arbuckle Mts., Criner Hills (Hunton Group) - Lower Devonian

Trilobites:

Breviscutellum sp.
Cheirurid ?
Cordania wessmani
Dechenellid ?
Dicranurus hamatus elegantus
Huntoniatonia (H.) huntonensis

Huntoniatonia (H.) lingulifer

Huntoniatonia (H.) purduei purduei
Kainops raymondi
Kettneraspis williamsi (?)
Paciphacops (P.) birdsongensis
Zlichovaspis syncrama

Comments:

References:

K.S.W. Campbell, (1977) Trilobites of the Haragan, Bois D'Arc and Frisco Formations (Early Devonian) Arbuckle Mountains Region, Oklahoma. Okla.Geo.Surv. Bull.123

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Haragan Formation, Arbuckle Mts., Criner Hills (Hunton Group) - Lower Devonian

Trilobites:

Acanthopyge consanguinea (= Lobopyge) sp. = "Bug-X"
Breviscutellum sp
Ceratonurus sp
Cordania falcata
Cyphaspis carrolli
Dechenellid sp.?
Dicranurus hamatus elegantus
Huntoniatonia (H.) huntonensis

Huntoniatonia (H.) lingulifer

Huntoniatonia (H.) oklahomae

Huntoniatonia (H.) purduei
Kainops raymondi
Kettneraspis williamsi
Maurotarion axitiosum
Odontochile? taffi
Oinochoe bigsbyi

Oinochoe coccymelum
"Proetus" protuberans
Paciphacops campbelli
Lochovella deckeri (= Reedops deckeri)
Terataspis? sp.

Comments:

References:

K.S.W. Campbell, (1977) Trilobites of the Haragan, Bois D'Arc and Frisco Formations (Early Devonian) Arbuckle Mountains Region, Oklahoma. Okla.Geo.Surv. Bull.123

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Henryhouse Formation - Silurian
 

Trilobites:

Anasobella asper
Calymene clavicula
Cheirurus infensus
Cyphaspis wessmani
Dalmanites rutellum
Dudleyaspis desolator
Fragiscutum glebalis
Kainops guttulus
Kettneraspis sp.
Kosovopeltis hypha

Kosovopeltis nebula
Proetus foculus

Comments:

References:

Campbell, K.S.W. (1967) Trilobites of the Henryhouse Formation (Silurian) of Oklahoma. Okla.Geo.Surv. Bull.115

Adrain, Jonathan M., (1996) A New Otarionine Trilobite from the Henryhouse Formation (Silurian, Ludlow) of Oklahoma. J.Paleontology 70(4):611-614

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Arbuckle Mts. (Viola Group) Viola Springs Formation - Ordovician
 

Trilobites:

Cryptolithoides carinatus

Cryptolithoides fittsi

Cryptolithoides ulrichi
Cryptolithus convexus
Isotelus sp.
Pugilator [=Robergia] deckeri
Remopleurides sp.

Comments:

References:

Amsden, Thomas W. & Ham, W.E., (1959) A Remarkable Specimen of the Trilobite Isotelus from the Viola Limestone. Oklahoma Geology Notes, Vol.19, No.2,p.18

Shaw, Frederick C. (1991) Viola Group (Ordovician, Oklahoma) Cryptolithinid Trilobites: Biogeography and Taxonomy. J. Paleontology 65(6):919-935

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Arbuckle Mts. (Simpson Group) Bromide Formation - Ordovician
 

Trilobites:

Amphilichas subpunctatus
Apianurus  sp.
Bumastoides milleri
Bumastus sp.
Calliops armatus

Calliops divaricatus
Calyptaulax annulata
Ceratocephala graffhami
Ceraurus ruidus [=Eoceraurus trapezoidalis]
Cybeloides
Dolichoharpes reticulata [=procliva]
Estoniops? divaricatus
Failleana sp.
Frencrinuroides capitonis
Harpillaenus sp.
Homotelus bromidensis
Isoteloides sp.
Isotelus gigas
Lonchodomas mcgeheei
Nanillaenus? punctatus
Otarion sp.
Pandaspinapyga salsa
Pliomerops canadensis
Probolichas sp.
Remopleurides sp.
Sphaerocoryphe sp.

Comments:

References:

Shaw, Frederick C., (1974) Simpson Group (Middle Ordovician) Trilobites of Oklahoma. J. Paleontology 48(5), Memoir 6, Part II

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McKenzie Hill Formation - Lower Ordovician, Wichita and Arbuckle Mts.
 

Trilobites:

Bellefontia chamberlaini Clark, 1935

Bellefontia collieana (Raymond, 1910)

Parabellefontia? sp. undet. (in Stitt, 1983)

Symphysurina brevispicata Hintze, 1952

Symphysurina bulbosa Lochman, 1964

Symphysurina woosteri Ulrich, 1924a

Symphysurina sp. no. 1 (in Stitt, 1983)

Xenostegium franklinense Ross, 1951

Paraplethopeltis genacurva Hintze, 1952

Paraplethopeltis obesa Bridge and Cloud, 1947

Praepatokephalus armatus (Hintze, 1952)

Remopleuridiella caudilimbata Ross, 1951

Hystricurus globosus Stitt, 1983

Hystricurus hillyardensis Stiit, 1983

Hystricurus millardensis Hintze, 1952

Hystricurus missouriensis Ulrich in Bridge, 1930

Clelandia oklahomensis Stitt, 1983

Clelandia parabola (Cleland, 1900)

Clelandia texana Winston and Nichols, 1967

Mannschreekia parva Stitt, 1983

Unassigned pygidium no. 2 Stitt, 1977

Comments:

21 spp. 10 genera

References:

Stitt, J. H. (1983) Trilobites, Biostratigraphy, and Lithostratigraphy of the McKenzie Hill Limestone (Lower Ordovician), Wichita and Arbuckle Mountains, Oklahoma. Oklahoma Geological Survey, Bulletin 134, 54 pp.