TRILOBITE
GENERA AND SPECIES LIST
(for
western
M to P:
Macannaia Jell,
1975
M. maladensis (Resser, 1939b)
Macropyge
M. gladiator Ross, 1951
Madaraspis
M. magnifica Fortey and Droser, 1996
Marjumia Walcott,
1916
M. bagginsi Melzak and Westrop, 1994 [Pika Fm.]
M. callas Walcott,
1916
M.
cf. M. transversa (Palmer, 1968) [Pika Fm.]
M. typa Walcott, 1916
M. sp. (see
Melzak and Westrop, 1994) [Pika Fm.]
Maryvillia Walcott,
1916b
M. arion
M. sp.
Mcnairia Deiss,
1939 [This genus is a junior synonym of Parehmania Deiss, 1939]
M. inornata Deiss, 1939 [
Menomonia Walcott,
1916a
M calymenoides
M. semele [=Densonella
semele (Walcott, 1916)]
M. sp. [=Densonella sp. (Weeks Fm., not yet described)]
M. sp. (Weeks Fm.)
Menoparia Ross,
1951
M. genalunata Ross, 1951
Mesonacis Walcott,
1885
M. eagerensis (Best)
M. n. sp.
Metabowmania
M. sp. nov. (Fillmore Fm.)
Meteoraspis Resser, 1935
M. dis
Mexicaspis Lochman, 1948
M. cf. difuntosensis Lochman, 1948
M. radiatus Palmer, in Palmer & Halley 1979
Mexicella
Lochman, 1948
M. antelopea Sundberg and McCollum, 2000
M. grandoculus
Palmer in Palmer & Halley 1979
M. granulata Eddy and
McCollum, 1998
M. mexicana Lochman,
1948
M.
obscurus Palmer in Palmer
& Halley 1979
M. robusta Sundberg and McCollum, 2000
M. stator (Walcott,
1916)
M. sp. [Dome Limestone, western Utah]
Microryctocara Sundberg & McCollum, 1997
M. nevadensis Sundberg & McCollum, 1997
[Reported by Sundberg & McCollum, 2003b from the Monola Formation in
California & the
Emigrant Formation, western Nevada]
Modocia Walcott, 1924
Modocia brevispina Robison,
1964
[M. hewlisca (from the Weeks)] = "Modocia weeksensis"
M. hewlisca (type 1) (Weeks Fm.)
M. hewlisca (type 2) (Weeks Fm.)
M. hewlisca (type 3) (Weeks Fm.)
M. laevinucha Robison, 1964
M. sp.
aff. M. laevinucha [Pierson Cove Fm., western Utah]
M. nuchaspina, Robison, 1964
M. typicalis (Resser, 1938)
"M. weeksensis" (Shanan
Peters dissertation, 2003, unpubl.) - old name was Modocia hewlisca
M. sp. [Marjum
Fm.]
M.? sp. [Marjum
Fm.]
Minupeltis
M.
conservator Palmer, 1960
Morosa
M. longispina Palmer, 1960
M. oblisooculatus Fritz, 1992
M. sp. cf. M.
oblisooculatus Fritz, 1992 [Mural Fm.]
M. occidens
(Walcott, 1913)
Namuropyge
N. newmexicoensis Brezinski, 2000
N. sp. A (in Brezinski, 2000)
N. sp. B (in Brezinski, 2000)
"Nephalicephalus”
(Shanan Peters
dissertation, 2003, unpubl.)
N. “beebei" (Shanan Peters dissertation, 2003,
unpubl.)
Nephrolenellus
Palmer & Repina, 1993
N. geniculatus
Palmer, 1998
N. multinodus (Palmer,
in Palmer & Halley 1979)
?N. n. sp.
Nevadella Raw, 1936
N. bacculenta Fritz, 1972 = Nevadia
bacculenta (Fritz, 1972)
N. eucharis
(Walcott, 1913)
N. faceta Fritz, 1972 = Nevadia
faceta (Fritz, 1972)
N. mountjoyi Fritz, 1992 (see also Lieberman, 2001)
N. perfecta (Walcott,
1913)
N. sp. (Fallotaspis Biozone, Inyo-White Mts.)
N. sp. 1 Fritz, 1972 = Nevadia
sp. 1 Fritz, 1972
N. sp. 2 Fritz, 1972 = Nevadia
sp. 2 Fritz, 1972
Nevadia Walcott,
1910
N. addyensis Okulitch, 1951
N. bacculenta (Fritz, 1972)
[formerly Nevadella bacculenta Fritz, 1972]
N. faceta (Fritz, 1972)
[formerly Nevadella faceta Fritz, 1972]
N. fritzi Lieberman,
2001
N. gracile (Walcott, 1910)
[formerly Wanneria? gracile Walcott, 1910]
N. ovalis McMenamin, 1987
N. parvoconica Fritz, 1992
N. weeksi Walcott, 1910 (type species)
N. n. sp. (see
Fritz, 1992) [Mural Fm.]
N. sp. (see Fritz,
1992) [Mural Fm.]
N.
sp. 1 (of Fritz, 1972) [formerly Nevadella sp. 1 Fritz, 1972]
N. sp. 2 (of Fritz, 1972) [formerly Nevadella
sp. 2 Fritz, 1972]
Nevadia sp.
(Campito Fm.)
Nevadia sp.
(Poleta Fm.)
Nileus Dalman,
1827
N. hesperaffinis Ross, 1967
N. svalbardensis
Niobe Angelin,
1851
N.? sp. Ross, 1951
Norwoodella
N. sp. (Weeks Fm.)
Norwoodia Walcott, 1916a
N. bellaspina (Shanan
Peters dissertation, 2003, unpubl.)
Nunnaspis
N. stitti Brezinski, 2000
Nyella Palmer, in Palmer & Halley 1979
N. clinolimbata (Fritz, 1968)
N. columbiana (Fritz, 1968)
N. granosa (Resser, 1939b) [See Palmer & Halley, 1979, p. 111 for
synonymy list]
N. immoderata Palmer
in Palmer & Halley, 1979
N.? plana Sundberg
and McCollum, 2003a
N. rara (Rasetti,
1951)
N. skapta (Walcott,
1917b)
Ogygopsis Walcott, 1889
O. batis
(Walcott, 1916)
O. elongata (McLaughlin and Enbysk,
1950) [old name Taxioura elongata
McLaughlin and Enbysk, 1950}
O. klotzi (Rominger, 1889 – or 1887?)
O. spinulosa Rasetti, 1951
O. typicalis
(Resser, 1939b)
Olenellus
Hall, 1861
O. arcuatis Palmer,
in Palmer & Halley 1979 [Palmer & Repina, 1993 made this species the
type species of Arcuolenellus]
O. argentus Walcott, 1910 [=Esmeraldina
argenta Walcott, 1910 (in L. Bohach, unpubl. dissertation)]
O. brachyomma Palmer,
in Palmer & Halley 1979
O. chiefensis
Palmer, 1998
O. clarki (Resser, 1928) = O. (Paedeumias)
clarki
O. (Mesonacis) cylindricus (Palmer)
[O. euryparia Palmer,
in Palmer & Halley 1979] = Bolbolenellus euryparia (Palmer, in
Palmer & Halley 1979)
O. fowleri Palmer,
1998
O.
fremonti Walcott, 1910 = O. (Mesonacis) fremonti
O. gilberti
(Meek, 1874) or is it Meek in White, 1874?
O. gilberti sensu
Best, 1952 = Olenellus schucherti
O. granulatus
(Palmer)
O. howelli (Meek,
1874) or is it Meek in White, 1874?
O. sp. cf. O. laxocules Fritz, 1972 [Mural Fm.]
O. mojavensis
(Crickway, 1933) = Bristolia
mohavensis (Crickway,
1933)
O. multinodus
Palmer, in Palmer & Halley 1979 [Palmer & Repina, 1993 made this
species the type species of Nephrolenellus]
O. muralensis Fritz, 1992
O.
nevadensis (Walcott,
1910) = O. (Paedeumias) nevadensis
O. puertoblancoensis (Lochman,
1952) [Type from the Buelna Formation, Caborca, Mexico and reported from the
Gold Ace Limestone Member, Carrara Formation by
Palmer & Halley (1979) and
the top of the Mule Spring Limestone, western Nevada by Sundberg & McCollum
(2003b)]
O. schofeldi Best
O. schucherti Resser and Howell, 1938
O. (Paedeumias) cf.
transitans (Walcott)
O. (Paedumias) terminatus Palmer, 1998
O. terminatus
Palmer, 1998
O. truemani Walcott, 1913
O. truncatooculatus Fritz, 1992
"O." cf. turmalis Cowie
O. sp. [Gold Ace
Lmst. Mbr., Carrara Fm.]
O. new species A
(see Mount, 1980) [Latham Shale Fm.]
O. new species B
(see Mount, 1980) [Chambless Limestone Fm.]
O. new species C
(see Mount, 1980) [Cadiz Fm.]
O. species
indeterminate (see Mount, 1980) [Zabriskie Fm.]
O. sp. (see Fritz, 1992) [Mural Fm.]
O. sp. [Emigrant Fm.]
"O." n. sp. 1 [Carrara
Fm.]
"O."
n. sp. 2 (cf. robsonensis Burling) [Carrara Fm.]
O. (Olenellus) n. sp. 1 [Carrara
Fm.]
O. (Olenellus)
n. sp. 2 [Carrara
Fm.]
O. (Olenellus) n. sp. 3 [Carrara Fm.]
O. (Mesonacis) n. sp. 1 [Carrara
Fm.]
O. (Mesonacis)
n. sp. 2 [Carrara
Fm.]
O. (Mesonacis) n. sp. 3 [Carrara
Fm.]
O. (Paedeumias) n. sp. 1
[Carrara Fm.]
O.
(Paedeumias) n. sp.
2 [Carrara Fm.]
Olenoides
Meek, 1877
O. brighamensis
O. decorus
O. evansi Resser,
1939a
O. expansus
O. maladensis
Resser, 1939b
O. marjumensis
O. nevadensis (Meek,
1870)
O. pugio (Walcott, 1908)
O. cf. O.
pugio (Walcott, 1908) [Pika Fm.]
O. serratus
O. steptoensis Fritz, 1968
O. tricephalus
O. trispinus - should be in “quotes” as it is
not yet published (or is it?) ?
O. wasatchensis
O. sp. [Pierson Cove Fm.]
O. n. sp. (Marjum
(Chisholm?) Fm.)
O. sp. (Weeks Fm.)
O. spp. (see Palmer, 1964) [Saline Valley Fm., Harkless Fm.]
O. n. sp. [Spence Shale]
Olenus?
O.? granulatus Palmer, 1960
O.? wilsoni
Henningsmoen
O. breviceps (Walcott)
Onchocephalites
Rasetti, 1957
O. claytonensis
Sundberg & McCollum, 2003b
O. sp. (Sundberg
and McCollum, 2003)
O. laevis Rasetti, 1957
O. sp. unident.
O.? sp.
Onchocephalus
Walcott, 1917
O. depressus Rasetti, 1951
O. fieldensis Rasetti, 1951
O. maior Rasetti, 1951
O. thia (Walcott, 1917b)
O. sp. [Twin Knobs
Fm.]
O.? n. sp. [Spence
Shale]
O. sp. (Bonnia-Olenellus Biozone, Inyo-White Mts.)
Onymagnostus Opik, 1979
O. hybridus
(Brogger, 1878) [Marjum Fm., Utah; Secret Canyon Fm., Nevada]
O. seminula (Whitehouse, 1939) [Marjum Fm., Utah; Secret Canyon Fm., Nevada]
Oopsites
O. cf. O. hibernicus
Opipeuter Fortey, 1974
O. sp. [Reported by Fortey and Droser, 1999 from the Antelope Valley
Fm., Nevada]
Oryctocara Walcott,
1908
O. geikiei
Walcott, 1908
Oryctocephalites
Resser, 1939b
O. orientalis Saito, 1934 [Type from Korea, also reported by
Sundberg & McCollum, 2003b from the Monola Formation in eastern California
& the Emigrant Formation, western Nevada]
O. palmeri Sundberg and McCollum, 1997 [From
the Pioche Shale in eastern Nevada]
O. rasettii Sundberg and McCollum, 1997
[Reported from the Pioche Shale only from the Highland Range, eastern Nevada]
O. resseri Rasetti, 1951 [Type from the Mount Whyte Fm.
in B.C., also reported by Sundberg & McCollum, 2003b from the Monola
Formation in eastern California]
O. runcinatus Shergold, 1969 [Type from Australia, also reported
by Sundberg & McCollum, 2003b from the Emigrant Formation, western Nevada]
O. typicalis Resser, 1939b
O. walcotti (Resser 1938) [Type is from the
Lakeview Limestone, northern Idaho and from the Spence Shale, southern Idaho
& northern Utah]
Oryctocephalus
Walcott, 1886
O. americanus Sundberg & McCollum, 2003b [Type from
the Emigrant Formation]
O. indicus (Reed, 1910) [Type from India, also reported
by Sundberg & McCollum, 1997; 2003b from the Monola Formation in eastern
California & the Emigrant
Formation,
western Nevada]
O.? maladensis Resser, 1939b
O. nyensis Palmer,
in Palmer & Halley 1979
O. orientalis Saito, 1934 [Asia
& western Nevada]
O. primus Walcott, 1886 [Type from
the Pioche Shale, eastern Nevada and reported by Sundberg & McCollum, 1997
from only two localities near the town of Pioche]
O. sp. unident.
O. n. sp.
O. new species (see Mount, 1980) [Latham Shale]
O. sp. A [Emigrant Fm.]
Orygmaspis
O. n. sp. (McKay Group)
Ovatoryctocara?
O.? sp.
Pachyaspis
P. deborra Lochman, 1952
P. longa Fritz,
1968
P. gallagari Fritz,
1968
P. typicalis Resser,
1939b
P. sp. undet.
Pachycranium Ross,
1951
P. faciclunis Ross, 1951
P. sp. Ross, 1951
Paedeumias Walcott, 1910
P. granulatus Palmer, 1964 (or is it granulatus?)
P. sp. [Eager Fm.]
Paenebeltella Ross,
1951
P. vultulata Ross, 1951
Pagetia Walcott,
1916
P. arenosa Fritz, 1968
P. clytia Walcott, 1916
P. cf. fossula
Resser, 1938
P. maladensis
Fritz, 1968
P. mucrogena Fritz, 1968
P. resseri Kobayashi, 1943
P. rugosa Rasetti,
1966
P. sp. [Swasey
Formation]
P. sp. [Carrara
Fm., Pyramid Shale Mbr.]
P. n. sp. [Spence
Shale]
P. sp. (Metaline Fm.)
Paladin
P.
sp. [Mount Mark Fm.]
Palmettaspis
Esmeraldina /
Palmettaspis sp.
(Campito Fm.)
Panacus Eddy and McCollum, 1998
P. palmeri Eddy and McCollum, 1998
Paraantagmus Qiu, 1980
P. latus Yuan &
Li, 1999 (Reported in the Emigrant Formation by Sundberg & McCollum, 2003b)
Paracybantyx Ludvigsen & Tripp, 1990
P. tegartensis Norford, 1994
Parahousia
P.
constricta n. gen., n. sp. Palmer,
1960
Parahystricurus Ross,
1951
P. carinatus Ross, 1951
P. fraudator Ross,
1951
P. oculirotundus Ross,
1951
P. pustulosus Ross,
1951
P.? sp. A Ross,
1951
P.? sp. B Ross,
1951
P.? sp. C Ross,
1951
Paralbertella Palmer in Palmer
& Halley, 1979
P. bosworthi (Walcott, 1908)
P. eiliotys (Fritz, 1968)
P. judithi Fritz, (1968)
P. lata Fritz, (1968)
P. sp. undet.
Parapoulsenia Rasetti,
1957
P. lata Rasetti, 1957
Parehmania Deiss, 1939 [Montana]
P. arcuate Deiss, 1939 [Montana]
P. concave Deiss, 1939 [Montana]
P. princeps Deiss, 1939
[Montana]
P.? quadrata Deiss, 1939
[Montana]
P. storeyi Deiss, 1939 [Montana]
P. sp. (Langston
Fm., Spence Tongue)
Parkaspis Rasetti, 1951
P. drumensis Sundberg, 1994
P. decamera Rasetti, 1951
P. endecamera Rasetti, 1951
Peachella
Walcott, 1910
P. brevispina Palmer in Palmer & Halley, 1979
P. iddingsi (Walcott, 1884)
P. n. sp.
Peraspis
Whittington, 1965
P. erugata Ross, 1967
Periomma Resser, 1937
P. n. sp. (see Mount, 1980) [Carrara Fm.]
Peronopsis Hawle
& Corda, 1847
P. amplaxis
P. bidens
P. bonnerensis (Resser,
1938)
P. brevispinus (Deiss, 1939) [Montana]
P. brighamensis
(Resser, 1939a)
P. fallax
P. gaspensis Rasetti, 1948
P. intermedius
P. interstrictus
(or interstricta?)
P. montis (Matthew, 1889)
P. praecurrens (Westergard
1936)
Perrisopyge
P. triangulata Blaker and Nelson
Phalacroma?
P.? sp.
Phillipsia
P. major Shumard
P. peroccidens Hall and Whitfield
P. trinucleata Herrick (?= Sevillia trinucleata)
“P.” sp. (probably conspecific
with Hesslerides arcentensis Brezinski, 2000) (Kelly Formation)
Phillibole
P. planucauda (Brezinski, 1998)
Pilekia Barton,
1916
P.? sp. Ross, 1951
Piltonia
P. carlakertisae Brezinski, 2000
Pinctus?
P.? spp.
Piochaspis Levi-Setti, 1993
P. sellata Levi-Setti, 1993
Piochiella Sundberg and McCollum, 2003a
P. peasleensis Sundberg and McCollum, 2003a
Plagiura Resser,
1935
P. cercops
(Walcott, 1917)
P. extensa Palmer in Palmer & Halley, 1979
P. minor Palmer in
Palmer & Halley, 1979
P.
retracta Palmer in Palmer & Halley, 1979
P.?
cf. P. retracta Palmer and Halley, 1979 [Pika Fm.]
Platycolpus Raymond, 1931 [Platycolpus
RAYMOND, 1913a [preocc. replaced by Rasettia].
P.? sp. Ross, 1951 [=Rasettia? sp. (Ross, 1951)]
Podowrinella Clarkson et al, 1977
P. rossi Norford, 1994
Poliella Walcott, 1916b
P. anteros Walcott, 1916b
P. caranus
P. denticulata Rasetti, 1951 [Canada & Nevada]
P. germana (Resser,
1939)
P. cf. germana (Resser, 1939b) [Spence
Fm.]
P. leipalox Fritz, 1968
P. lomataspis Palmer
in Palmer & Halley, 1979
P. ovala Sundberg
and McCollum, 2003a
P. prima
(Walcott, 1908) [B.C.]
P.
cf. prima (Walcott, 1908) [Pioche Shale, Nevada]
P. sp. [Dome
Limestone]
P.? sp. [Chisholm Shale]
P. sp. (Metaline Fm.)
Poliellaites Sundberg and McCollum, 2003a
P. gloriosa Sundberg and McCollum, 2003a
Polypleuraspis Poulsen, 1927
P. insignis Rasetti 1951 [B.C.]
Poronileus Fortey,
1975
P. fistulosis Fortey, 1975
P. vallancei Fortey,
1975
Prehousia
P.
semicircularis n. gen., n. sp. Palmer,
1960
P. ibexensis (Hintze, 1953)
Presbynileus
(Presbynileus)
P. (P.) elongatus (formerly Paranileus) [Zone H, Utah]
P. (P.) ibexensis
(formerly Paranileus) [Zone I, Utah]
Proagnostus Butts,
1926
P. sp. (Weeks Fm.)
Proehmaniella
Sundberg, 1994
P. basilica (Resser,
1945)
P. eldoradensa Sundberg, 1994
P? granulosa Sundberg, 1994
P. sp. [Ute Fm., Utah]
Proetides
P.
sp. (in Brezinski, 2000)
Proetus
P. bairdi
P. sp. indet. (Gazelle Fm.)
Prohedinia
Lermontova & Chernysheva in Chernysheva, 1950
P. maladensis (Resser, 1939b)
P. sp. [Langston Fm., Spence Shale]
P.? n. sp. [Spence Shale]
Proliostracus Poulsen, 1932
P. contractus Fritz, 1972
P. sp. (see Fritz,
1992) [Mural Fm.]
Protocalymene Ross,
1967
P. mcallisteri ROSS, 1967 Antelope Valley Fm,
P. n. sp. A (see Fortey and
Droser, 1999) [Antelope Valley Fm.]
Protopliomerella
P. contracta (Ross, 1951) [formerly Protopliomerops
contracta Ross, 1951]
Protopliomerops
Kobayashi, 1934
P. celsaora Ross, 1951
P. contracta Ross,
1951 [= Protopliomerella contracta]
P. superciliosa Ross,
1951
Protopresbynileus Hintze, 1954
P. cf. glaber Fortey, 1975
P. utahensis
P. n. sp. [Antelope
Valley Fm., Ninemile Fm.]
Psalikilus Ross,
1951
P. typicum Ross, 1951
P.? sp. Ross, 1951
Pseudagnostus Jaekel, 1909
P.? acutus (Kobayashi)
P. communis (Hall & Whitfield, 1977)
cf. P. communis
Hall and Whitfield, 1877
P. prolongus (Hall and Whitfield)
P. sp. 1 of
Chatterton & Ludvigsen, 1998
Pseudoalokistocare
Sundberg, 1994 is synonymous with Alokistocare (see Sundberg, 1999)
P. swasii Sundberg, 1994
P. cf.
paranotatum Rasetti, 1951
Pseudoclelandia Ross,
1951
P. cornupsittaca Ross, 1951
P. fluxafissura Ross,
1951
P. lenisora Ross,
1951
Pseudocybele Ross, 1951
P. nasuta Ross, 1951
Pseudohystricurus Ross,
1951
P. obesus Ross, 1951
P. rotundus Ross,
1951
P. sp. Ross, 1951
Pseudomera Holliday, 1942
P. arachnopyge
P. cf. barrandei (Billings) [Antelope
Valley Limestone, Nevada]
P. sp. indet. (see
Fortey and Droser, 1999) [Antelope Valley Fm.]
Pseudomexicella Sundberg, 1994
P. hestia Sundberg, 1994
Pseudophalacroma Pokrovskaya, 1958
P. lundgreni (Tullberg, 1880)
[Geddes Fm. & Secret Canyon Shale, Eureka, Nevada]
Pseudosaratogia
Pseudosaratogia abnormis Palmer, 1960
Pseudosaratogia
leptogranulata Palmer, 1960
Ptarmigania Raymond, 1928
P. exigua Resser,
1939b
P. gordonensis Resser,
P. rossensis (Walcott, 1917)
[B.C.]
Ptarmiganoides Rasetti, 1951
P. araneicauda Fritz, 1968
P. bowensis Rasetti, 1951 [B.C.]
P. crassaxis Palmer in Palmer
& Halley, 1979
P. hexacantha Palmer in Palmer & Halley, 1979
Ptarmiganoides propinqua (Resser 1939b) (=P. communis)
P. sp. [Chisholm Shale]
P.? sp.
Pterocephalia Resser, 1938c
P. concava Palmer,
1960
P. elongata
Palmer, 1960
P. sanctisabae Roemer
P. n. sp.? (McKay Group)
Ptychagnostus Jaekel, 1909
P. acidusus Opik, 1979 [Secret Canyon Shale, Eureka, Nevada]
P. aculeatus (Angelin, 1851) [Lincoln Peak Fm., eastern Nevada]
P. affinis (Brogger, 1878) [Marjum Fm., Utah; Lincoln Peak
Fm., eastern Nevada]
P. akanthodes
Robison, 1964 [Marjum Fm., Utah]
P. atavus (Tullberg, 1880) [Wheeler Shale, Marjum Fm., Utah]
P. germanus Opik, 1979 [Wheeler Shale, Marjum Fm., Utah]
P. gibbus (Linnarsson, 1869) [basal Wheeler Shale, Utah]
P. hintzei Robison, 1984 [Emigrant Springs & Lincoln Peak
Fms., Nevada]
P. intermedius (Tullberg, 1880) [basal Wheeler Shale, Utah]
P. michaeli
(Marjum Fm.)
P. occultatus Opik, 1979 [Wheeler Shale, Marjum Fm.,
P. praecurrens (Westergard, 1936) [Burgess Shale quarry, B.C.]
P. punctuosus (Angelin, 1851) [Marjum Fm.,
P. seminula (Whitehouse, 1939) [basal Wheeler Shale,
P. sp. (Wheeler Formation)
P. sp. (Weeks Formation)
Ptychaspis
P. granulusa (Owen)
Ptychoparella Poulsen,
1927 [Blaker &
Peel, 1997 synonymized Syspacephalus Resser, 1936; Elrathina Resser, 1937; Eoptychoparia Rasetti,
1955]
P. antique
P. candace
P. convexa
P. cordillerae (Rominger, 1887) [formerly Elrathina cordillerae
(Rominger, 1887)]
P. crassus (Rasetti, 1951) [=S. crassus Rasetti, 1951]
P. erecta
P. fecunda
P. gregarius Rasetti, 1951 [=S. gregarius Rasetti, 1951)
P. hybrida
P. laticeps Rasetti, 1951 [=S. laticeps Rasetti, 1951]
P. lickensis
P. longus [= S. longus Palmer
in Palmer & Halley 1979]
P. nodulosa
P. obscurus
(Palmer in Palmer & Halley 1979 ) [=S. obscurus Palmer in Palmer
& Halley 1979] (currently being worked on)
P. oculineata
P. offula
P. pylas
P. spencei (Resser
1939a) [=S. spencei (Resser 1939a)]
P. variosus Sundberg & McCollum, 2003b [=S. variosus Sundberg
& McCollum, 2003b]
P. wheeleri
P. sp. unident.
P.? sp. (see Palmer, 1964)
(Harkless Fm.) [=S.? sp. (see Palmer, 1964)]
Ptyocephalus Whittington, 1948 [Kirkella Kobayashi, 1942 is a junior synonym
of Ptyocephalus, fide WHITTINGTON, 1948]
P. declivita (Ross,
1951) [formerly Kirkella declevita Ross, 1951
P. vigilans (Pogonip Fm.)
P. sp. [
P. sp. Ross, 1951
[formerly Kirkella sp.
(Ross, 1951)]
Pudoproetus
P. fernglenensis (Weller, 1909)
Pyraustocranium Ross,
1951
P. orbatum Ross, 1951
*Note: not
all of the species are valid and errors in synonomy will be present. We do our
best to keep up to date, but it is difficult to locate all changes. Also, not
all of the authors' names are included, and may not be correct with respect to
(brackets) for generic name changes. Please excuse any mistakes, as this
species list is a meant as a first guide only.
page designed and maintained by Kevin D. Brett