A Biostratigraphic List
of Fossil Cephalopods in Utah
Cretaceous
System
Late Cretaceous
Series
Campanian
Stage
Didymoceras nebrascense
Zone in the Sego Sandstone
Scaphites sp.
Baculites sp.
Didymoceras n. sp.
Oxybeloceras crassum (Whitfield)
Placenticeras sp. (? Intercalare
Meek 1876b)
Baculites gregoryensis
Zone in the Mancos Shale
Menuites portlocki Hall & Meek 1856
Baculites asperiformis
Zone in the Buck Tongue of the Mancos
Shale
Baculites asperiformis? Meek 1876b
Placenticeras planum hyatt 1903 (P. syrtale ?)
Baculites obtusus Zone in
the Mancos Shale
Trachyscaphites
praespiniger Cobban &
Scott 1964
Scaphites hippocrepis I
Zone in the Mancos Shale
Haresiceras fisheri Reeside 1927b
Scaphites hippocrepis (DeKay) 1827
Scaphites nanus Reeside 1927b
Baculites aquilaensis Reeside 1927b
Baculites haresi Reeside 1927b
Santonian
Stage
Desmoscaphites bassleri
Zone in the Upper Mancos and Upper Emery
Sandstone
Desmoscaphites bassleri Reeside 1927b
Haresiceras mancosense (Reeside) 1927b
Scaphites leei Reeside 1927b
Baculites asperiformis ? Meek 1876b
Baculites thomi Reeside 1927b
Placenticeras guadalupae (Roemer) 1852 (P. syrtale ?)
Eutrephoceras alcesense Reeside 1927b
Clioscaphites
vermiformis Zone in the Lower Emery Sandstone and Garley
Canyon Sandstone
Eutrephoceras alcesense Reeside 1927b
Clioscaphites vermiformis (Meek & Hayden) 1862
Baculites codyensis Reeside 1927a
Pseudobaculites
wyomingensis Cobban 1952
Texanites texanus (Roemer) 1852
Placenticeras syrtale (Morton) 1834
Placenticeras
planum Hyatt 1903
Placenticeras
guadalupae
(Roemer) 1852
Placenticeras
sancarlosense Hyatt 1903
Coniacian
Stage
Scaphites depressus Zone
in the Mancos Shale
Scaphites binneyi Reeside 1927a
Scaphites depressus Reeside 1927a
Allocrioceras burkhardti Kennedy and Cobban 1991
Phlycticrioceras trinodosus (Geinitz) 1850
Neocrioceras maximum Kennedy and Cobban 1991
Neocrioceras sp.
Baculites codyensis Reeside 1927a
Binneyites parkensis Reeside 1927a
Protexanites bourgeoisianus (d'Orbigny) 1850
Scaphites ventricosus Zone
in the Mancos Shale
Scaphites tetonensis Cobban 1951b
Scaphites
preventricosus Zone in the Blue Gate
Shale Member of the Mancos Shale
Eutrephoceras n. sp.
Scaphites frontierensis Cobban 1951b
Scaphites impendicostatus Cobban 1951b
Scaphites preventricosus Cobban 1951b
Scaphites uintensis Cobban 1951b
Allocrioceras hazzardi Young 1963
Baculites mariasensis Cobban 1951a
Placenticeras kaffrarium Etheridge 1904
Peroniceras haasi ? Young 1963
Forresteria alluaudi (Boule, Lemoine & Thevenin) 1907
Turonian
Stage
Scaphites whitfieldi Zone
in the Juana
Lopez Member of the
Mancos Shale
Scaphites whitfieldi Cobban 1951b
Prionocyclus novimexicanus (Marcou) 1858
Baculites yokoyamai Tokunaga and
Pteroscaphites
Scaphites ferronensis Zone
in the Juana
Lopez Member of the
Mancos Shale
Scaphites ferronensis Cobban 1951b
Pteroscaphites
Prionocyclus wyomingensis Meek 1876b
Baculites yokoyamai Tokunaga and
Placenticeras
pseudoplacenta Hyatt 1903
Scaphites warreni Zone in
the Juana Lopez Member of the Mancos
Shale and the Frontier Formation
Scaphites warreni Meek and Hayden 1860
Baculites sp.
Baculites undulatus d'Orbigny 1850
Baculites yokoyamai Tokunaga and
Prionocyclus wyomingensis Meek 1876b
Prionocyclus
macombi Zone in the Juana Lopez Member of the Mancos Shale and
the Frontier Formation
Coilopoceras colleti Hyatt 1903
Coilopoceras inflatum Cobban and Hook 1980
Scaphites carlilensis Morrow 1935
Prionocyclus macombi Meek 1876a
Prionocyclus
hyatti Zone in the Ferron Sandstone Member of the Mancos Shale
and the Tropic Shale
Scaphites carlilensis Morrow 1935
Placenticeras
pseudoplacenta Hyatt 1903
Prionocyclus hyatti (
Prionocyclus albinus Fritsch 1872
Collignoniceras woollgari Zone
in the
Tropic Shale and/or the Tununk
Shale
Allocrioceras sp.
Baculites sp.
Baculites yokoyamai Tokunaga and
Collignoniceras woollgari (Mantell) 1822
Mammites nodosoides Zone
in the Tropic Shale
Fagesia catinus (Mantell) 1822
Watinoceras devonense Cobban 1988b
Watinoceras sp.
Morrowites depressus (Powell) 1963
Vascoceras birchbyi Zone
in the Tropic Shale
Vascoceras birchbyi Cobban and Scott 1972
Cenomanian
Stage
Neocardioceras juddii Zone
in the Tropic Shale
Neocardioceras juddii (Barrois and DeGuerne) 1878
Sciponoceras
gracile Zone in the Tropic Shale and/or Tununk
Member of the Mancos Shale
Scaphites sp.
Allocrioceras annulatum (Shumard) 1860
Sciponoceras gracile (Shumard) 1860
Placenticeras cumminsi Cragin 1893
Euomphaloceras
septemseriatum (Cragin)
1893
Pseudocalycoceras
angolaense (Spath) 1931
Metoicoceras geslinianum (d'Orbigny) 1850
Metoicoceras sp.
Neogastroplites americanus
Zone in the Mowry Shale
Neogastroplites americanus Reeside and Cobban 1960
Neogastroplites cornutus
Zone in the Mowry Shale and Aspen Shale
Neogastroplites cornutus Reeside and Cobban 1960
Jurassic
System
Upper Jurassic
Series
Oxfordian
Stage
Cardioceras
distans Zone in the Curtis Formation and Redwater
Member of the Stump Formation
Lytoceras
Cardioceras ?
Cardioceras cf. C. (S.)
obtusum Reeside 1919
Cardioceras cordiforme (Meek and Hayden)
Cardioceras hyatti Reeside 1919
Cardioceras sp.
Cardioceras stantoni Reeside 1919
Cardioceras wyomingense Reeside 1919
Goliathiceras hoveyi (Reeside) 1919
Goliathiceras russelli (Reeside) 1919
Pachyteuthis densus (Meek and Hayden) 1858
Middle Jurassic
Series
Bajocian
Stage
Sohlites spinosus Zone in
the Carmel Formation
Sohlites spinosus Imlay 1967
Megasphaeroceras
rotundum Zone in the Twin Creek Limestone
Parachondroceras andrewsi Imlay 1967
Parachondroceras
filicostatum Imlay 1967
Eocephalites primus Imlay 1967
Eocephalites ? sp. undet. A
Eocephalites ? sp. undet. B
Eocephalites ? sp. undet. C
Megasphaeroceras rotundum Imlay 1962
Normannites ? cf. N.
crickmayi (McLearn) 1927
Stemmatoceras arcicostum Imlay 1967
Stemmatoceras n. sp. aff.
S. albertense McLearn 1928
Stephanoceras aff. S.
nodosum (Quenstedt)
Spiroceras cf. S. orbignyi Baugier and Sauze
Triassic
System
Early Triassic
Series
Spathian
Stage
Prohungarites
Beds in the Thaynes Formation and Virgin Limestone
'
Germanonautilus
montpelierensis Kummel
1953
Idahocolumbites nevadi (Kummel) 1969
?
Cordillerites sp.
Pseudosageceras
multilobatum Noetling 1905
Prohungarites ? sp.
Tirolites cassianus (Quenstedt)
Ussurites hosei Kummel 1969
Columbites Beds in the
Thaynes Formation
Jeanbesseiceras jacksoni (Hyatt and Smith) 1905
Xenoceltites spencei (Hyatt and Smith) 1905
Columbites cf. C.
parisianus Hyatt and
Smith 1905
Tirolites pacificus
Bajarunia confusionensis Guex et. al. 2005
Cowboyiceras farwestense Guex et. al. 2005
Smithian
Stage
Anasibirites
Beds in the Thaynes Formation, Sinbad Limestone and
Timpoweap
'Kashmirites' subarmatus Diener 1913
Xenoceltites douglasensis (Mathews) 1929
Xenoceltites hannai (Mathews) 1929
Xenoceltites matheri (Mathews) 1929
Cordillerites compressus Mathews 1929
Pseudosageceras
multilobatum Noetling
1905
Meekoceras davisi Mathews 1929
Meekoceras hertleini Mathews 1929
Anasibirites kingianus (Waagen) 1895
Wasatchites perrini Mathews 1929
Wyomingites sp.
Meekoceras
Beds and the Inyoites Beds in the
Thaynes Formation and Timpoweap
Meekoceras gracilitatis White 1879
Arctoceras mushbachanum (White) 1879
Wyomingites arnoldi Hyatt and Smith 1905
Kashmirites cf. K. nivalis (Diener) 1897
Aspenites acutus Hyatt
and Smith 1905
Wyomingites aplanatus White 1879
Flemingites russelli Hyatt
and Smith 1905
Churkites noblei Jenks 2007
Clypeoceras hooveri (Hyatt and Smith) 1905
Xenoceltites intermontanus (Smith) 1932
Pseudosageceras
multilobatum Noetling
1905
Juvenites septentrionalis Smith 1932
Inyoites oweni Hyatt and Smith 1905
Lanceolites compactus Hyatt and Smith 1905
Permian
System
Late Permian Series
From the Kaibab Formation
and/or the Black Box Dolomite
Liroceras
Metacoceras
Gastrioceras ?
Early Permian Series
Roadian
Stage
From the
Stenolobulites sinuosus Mikesh, Glenister and Furnish
1988
Tentacle
Hooks
Glochinomorpha stifeli Gordon 1971a
Carboniferous
System
? Late Mississippian or ? Early
Pennsylvanian Series
From the Oquirrh Formation
Rayonnoceras ? cf. R.?
excentricum Gordon 1965
Reticycloceras sp.
From the Ely Limestone
Zephyroceras friscoense (Miller and Owen) 1944
Late Mississippian
Series
Arnsbergian
Stage
Eumorphoceras
girtyi Zone
in the Chainman Shale and
Rayonnoceras cf. R.
solidiforme Croneis 1926
Euloxoceras
Reticycloceras
Nautilus sp.
Stroboceras texanum (Miller and Youngquist) 1948
Metacanites
Eumorphoceras girtyi Elias 1956
Cravenoceras sp.
Richardsonites
richardsonianus
Eosyngastrioceras
inexpectans Titus 2000
Syngastrioceras websteri Titus 2000
Tylonautilus sp.
Eumorphoceras
rotuliforme Zone in the Chainman Shale
Rayonnoceras
Delepinoceras californicum Gordon 1964
Glaphyrites millardensis Titus 2000
Proshumardites cf. P.
delepinei Schindewolf 1939
Eosyngastrioceras hesperium (Miller and Furnish) 1940
Eumorphoceras rotuliforme Ruan 1981
Pericleites pilatus Ruan 1981
Cryptotyloceras gordoni Titus 2000
Dombarocanites sp.
Metadimorphoceras sp.
Pendleian
Stage
Paracravenoceras
barnettense Zone in the Chainman Shale
Rayonnoceras sp.
Valhalites ornatus Girty 1911
Pronorites ? sp.
Edmooroceras plummeri (Miller and Youngquist) 1948
Girtyoceras sp.
Tumulites varians McCaleb, Quinn and Furnish 1964
Cravenoceras kingi (Hall and Whitfield) 1877
Paracravenoceras
barnettense (Plummer and
Scott) 1937
Stenoglaphyrites merriami (Youngquist) 1949
Hematites barbarae Flower and Gordon 1959
Hematites burbankensis Flower and Gordon 1959
Eosyngastrioceras quadratum Titus 2000
Reticycloceras
Brigantian
Stage
Lusitanoceras
granosum Zone in the Chainman Shale
Mitorthoceras perfilosum Gordon 1960
Bactrites cf. B.
carbonarius Smith 1903
Pronorites baconi (Miller Youngquist and Nielsen) 1952
Glyphiolobus
pseudodiscrepans (
Sulcogirtyoceras
ornatissimum (Miller and
Youngquist) 1948
Dombarites choctawensis (Shumard) 1863
Lusitanoceras granosum (Portlock) 1843
Lusitanites subcircularis (Miller) 1889
Pachylyroceras utahense (Miller Youngquist and Nielsen)
1952
Goniatites
multiliratus Zone in the Chainman Shale
Dimorphoceras sp.
Girtyoceras meslerianum (Girty) 1909
Goniatites multiliratus Gordon 1965
Asbian
Stage
Goniatites
americanus Zone in the Chainman Shale
Bactrites sp.
Prolecanites sp.
Dimorphoceras n. sp.
Girtyoceras arcticum Gordon 1957
Girtyoceras n. sp.
Entogonites borealis Gordon 1957
Goniatites americanus Gordon 1971b
Reticycloceras
Kazakhoceras sp.
Early
Mississippian Series
Chadian
Stage
From
the Delle Member of the
Dzhaprakoceras djaprakense (Librovitch) 1927
Dzhaprakoceras gordoni Petersen, Korn & Kullman 2000
Kinderhookian
Stage
Protocanites lyoni (Meek and Worthen) 1860
Gattendorfia sp.
Pericyclus sp. indet.
Rotopericyclus brazerensis Gordon 1986
Devonian
System
Late Devonian Series
Famennian
Stage
From the Pinyon Peak Limestone
Cyrtoclymenia sp.
From the Pilot Shale
Clymeniid
Dolorthoceras sp.
Imitoceras sp.
Frasnian
Stage
From the Guilmette
Formation
Manticoceras sp.
Silurian
System
Niagaran
Stage
From the Laketown Dolomite
Huronia vertebralis Stokes 1824
Ordovician
System
Whiterockian Series
Chazyan
Stage
Zone O in the
unprepared
unprepared
Kanoshian
Stage
Zone
N in the Upper Kanosh Shale or Lehman Formation
Adamsoceras lehmanense Flower 1968a
Wutinoceras davisi Flower 1968a
Ignoceras obliquum Flower 1976
Kiotoceras gilesae Flower 1976
Kiotoceras ibexense Flower 1976
Kiotoceras ? multiseptatum Flower 1976
Aethiosolen
Diestoceras ?
Graciloceras
Litoceras
Litoceras adamsi Flower 1968b
Plectolites
Plectolites costatus Flower 1968b
Zone M in the Kanosh Shale
and
Rossoceras sp.
Rangerian
Stage
Zone
L in the Juab Limestone and/or Garden City Formation
Juaboceras brathwaitei Flower 1968b
Cameroceras compressum Gil 1988
Cameroceras manueli Gil 1988
Cameroceras
n. sp.
Cameroceras sp. indeterminate
cf.
Cameroceras
indet.
Cacheoceras trifidum Flower 1968b
Cacheoceras uninodum Flower 1976
Williamsoceras adnatum Flower 1964b
Williamsoceras
ankhiferum
Flower 1968b
Williamsoceras cf.
ellipticum Flower 1976
Williamsoceras cf.
pedunculatum Flower 1968b
Williamsoceras cf. W.
adnatum Flower 1964b
Williamsoceras cf. W.
ankhiferum Flower 1968b
Williamsoceras compressum Flower 1976
Williamsoceras ellipticum Flower 1976
Williamsoceras pedunculatum Flower 1968b
aff.
Rossoceras
cf.
Rossoceras
Evencoceras raymondi Gil 1988
Rossoceras cf. circulatum Gil 1988
Rossoceras
cf. lamelliferum Flower
1964b
Rossoceras circulatum Gil 1988
Rossoceras dentiferum Flower 1968b
Rossoceras lamelliferum Flower 1964b
Rossoceras n. sp.
Rossoceras sp.
Catoraphiceras colon (White) 1877
Walcottoceras monsense (Walcott) 1924
Baltoceratid
indeterminate
Cyptendoceras cf. C.
rhythmicum Flower 1964a
Cyptendoceras cf. C.
ruedemani Ulrich and
Foerste 1936
gen.
sp.
indeterminate
Buttsoceras williamsi Flower 1962
indet.
Michelinoceras sp. indet.
Plectolites sp.
Ibexian
Series
Blackhillsian Stage
Zone
K in the Wah Wah Limestone
Phragmosiphon ? sp.
unnamed
new genus
new species
Michelinoceras spp.
Zone
J in the Wah Wah Limestone
Catoraphiceras cf. C.
pearsonae Hook and Flower
1977
Catoraphiceras cf. C.
stacyae Hook and Flower
1977
Catoraphiceras ibexense Hook and Flower 1977
Catoraphiceras pearsonae Hook and Flower 1977
Catoraphiceras spp.
Protocycloceras aff. P.
laswelli Hook and Flower
1977
Protocycloceras laswelli Hook and Flower 1977
Protocycloceras sp. B
Protocycloceras sp. E
Rudolfoceras russelli Hook and Flower 1977
Rudolfoceras ? sp.
Amsleroceras gracile Hook and Flower 1977
Baltoceratid
genus and species indeterminate
Cyptendoceras ? sp.
Rangeroceras hintzei Hook and Flower 1977
Rhabdiferoceras
planiseptatum Hook and
Flower 1977
Rioceras ? sp.
unnamed
Baltoceratid
Veneficoceras susanae Hook and Flower 1977
Buttsoceras aff. B.
novemexicanum Flower 1962
Tajaroceras ? sp.
Tajaroceras spp.
Tajaroceras wardae Hook and Flower 1976
Troedssonellid
genus and species indeterminate
Wardoceras orygoforme Hook and Flower 1977
Curtoceras
Trocholitidae
n.
gen.
Trocholitoceras
Deltoceras
Pionoceras
Enigmoceras diaboli Hook and Flower 1977
Bakeroceras wahwahense Hook and Flower 1977
Zone
I in the Fillmore Formation
Cyclostomiceras
Tulean
Stage
Zone G2 in the Fillmore
Formation
Tarphyceras
Protocyclocerid
Zone
G1 in the Fillmore Formation
Protocyclocerid
Zone F in the Fillmore
Formation
Baltoceratid
Protocyclocerid
Stairsian
Stage
Zone E in the Fillmore
Formation
Campbelloceras
Bassleroceras
Bisonoceras
Dartonoceras
Zone
D in the Fillmore Formation
Clitendoceras
Proendoceras
Manitouoceras
Aphetoceras