Grassy Spring Member (Albertella Biozone):
Albertella fritzi Eddy and McCollum, 1998
Albertella highlandensis Eddy and McCollum,
1998
Albertella schenki Resser, 1945
Albertella
sp. (not sure which species this is)
Albertellina aspinosa Palmer, 1979
Albertelloides kitai Eddy and McCollum,
1998
Albertelloides rectimarginatus Palmer,
1979
Albertelloides cf. rectimarginatus
Palmer, 1979
Amecephalites sundbergi Eddy and McCollum,
1998
Delamarina brevispinaspis Eddy and McCollum,
1998
Kootenia cf. crassinucha Fritz,
1968
Mexicaspis cf. difuntosensis Lochman,
1948
Mexicella granulata Eddy and McCollum,
1998
Mexicella mexicana Lochman, 1948
Mexicella stator (Walcott, 1916)
Nyella granosa (Resser, 1939)
Nyella immoderata Palmer, 1979
Olenoides maladensis Resser, 1939
Onchocephalites? sp.
Pachyaspis sp. undet.
Pagetia resseri Kobayashi, 1943
Panacus palmeri Eddy and McCollum, 1998
Paralbertella sp. undet.
Plagiura minor Palmer, 1979
Poliella denticulata Rasetti, 1951
Poliella germana (Resser, 1939)
Poliella cf. germana (Resser, 1939)
Ptarmiganoides hexacantha Palmer, 1979
Ptarmiganoides propinqua (Resser, 1939)
Ptarmiganoides? sp.
Ursinella major Eddy and McCollum, 1998
Volocephalina connexa Palmer, 1979
Volocephalina variosa Eddy and McCollum,
1998
Zacanthoides? sp.
Corynexochid genus and species unidentified
Log Cabin Member
Amecephalus sp. unident.
Eokochaspis? cabinensis Sundberg and McCollum,
2003
Fieldaspis celer (Walcott, 1917)
Fieldaspis superba Rasetti, 1951
Kochaspis liliana (Walcott, 1886)
Kochiella augusta
(Walcott, 1886)
Kochiella brevaspis Sundberg and McCollum,
2002
Kochiella maxeyi Rasetti, 1951
Kochiellina janglensis Palmer, 1979
Hadrocephalites lyndonensis Sundberg and
McCollum, 2002
Hadrocephalites rhytidodes Sundberg and
McCollum, 2002
Hadrocephalites sp. A Sundberg and McCollum,
2002
Hadrocephalites sp. B Sundberg and McCollum,
2002
Mexicella mexicana Lochman, 1948
Nyella? plana Sundberg and McCollum, 2003
Oryctocephalus primus Walcott, 1886
Oryctocephalus sp. unident.
Parapoulsenia cf. lata Rasetti,
1957
Piochella peasleensis Sundberg and McCollum,
2003
Plagiura extensa Palmer, 1979
Poliella ovala Sundberg and McCollum,
2003
Poliella cf. prima (Walcott, 1908)
Poliellaites gloriosa Sundberg and McCollum,
2003
Stephenaspis highlandensis Sundberg and
McCollum, 2003
Syspacephalus sp. unident.
Susan Duster Limestone Member
Amecephalus arrojosensis (Lochman, 1952)
Caborcella reducta Palmer, 1979
Fieldaspis bilobata Rasetti, 1951
Hadrocephalites rhytidodes Sundberg and
McCollum, 2002
Kochiella brevaspis Sundberg and McCollum,
2002
Kochiella rasettii Sundberg and McCollum,
2002
Mexicella robusta Sundberg and McCollum,
2000
Nyella? plana Sundberg and McCollum, 2003
Nyella rara (Rasetti, 1951)
Onchocephalites
sp. Sundberg and McCollum, 2003a
Oryctocephalus
sp. Sundberg and McCollum, 2003a
Poliella denticulata Rasetti, 1951
Poliella lomataspis Palmer, 1979
Syspacephalus crassus Rasetti, 1951
Comet Shale Member
Amecephalus arrojosensis (Lochman, 1952)
Amecephalus sp. A Sundberg and McCollum,
2000
Eokochaspis delamarensis Sundberg and
McCollum, 2000
Eokochaspis longspina Sundberg and McCollum,
2000
Eokochaspis nodosa Sundberg and McCollum,
2000
Eokochaspis piochensis (Palmer, 1979)
Kochina? walcotti
Sundberg and McCollum,
2000
Mexicella antelopea Sundberg and McCollum,
2000
Mexicella robusta Sundberg and McCollum,
2000
Oryctocephalites rasettii Sundberg and
McCollum, 1997
Combined Metals Member
Bathynotus holopygus (Hall, 1859)
Bolbolenellus brevispinus Palmer, 1998
Crassifimbra walcotti (Resser, 1937)
Eokochapis metalaspis Sundberg and McCollum,
2000
Nephrolenellus geniculatus Palmer, 1998
Nephrolenellus multinodus
Palmer, 1979
Olenellus chiefensis Palmer, 1998
Olenellus fowleri
Palmer, 1998
Olenellus gilberti (Meek, 1874)
Olenellus howelli (Meek, 1874)
Olenellus terminatus Palmer, 1998
Oryctocephalites palmeri Sundberg and
McCollum, 1997
Zacanthopsis levis (Walcott, 1886)
Zacanthopsis n. sp.
Delamar Member
Bristolia
bristolensis (Resser, 1928)
Bristolia harringtoni Lieberman, 1999
Bristolia insolens (Resser, 1928)
Bristolia mohavensis (Resser, 1928)
Mesonacis n. sp.
?Nephrolenellus n. sp.
Olenellus clarki (Resser, 1928)
Olenellus fremonti Walcott, 1910
Olenellus nevadensis (Walcott, 1910)
Peachella iddingsi (Walcott, 1884)
Peachella n. sp.
This faunal list is restricted to the Pioche Shale exposed in Lincoln County, Nevada, and was compiled by Linda B. McCollum, Geology Department, Eastern Washington University, from both published and unpublished sources. For more information and a complete faunal list of all taxa, please visit Dr. Linda B. McCollum: Lower-Middle Cambrian Boundary Research, southern Great Basin and south China. Dr. McCollum's extensive Pioche Shale faunal list.
If you know of any other species from this formation, or have additional specimens or information, please contact Dr. Linda McCollum at: Eastern Washington University 130 Science Building Cheney, WA99004-2439USA,
Campbell Ranch Section, East-Central Nevada:
(from Fritz, W. H. 1968)
-data
compiled by J. Cook
Olenellus Zone:
Antagmus arenosus
Bonnia copia
Crassifimbra
walcotti?
Olenellus gilberti?
Onchocephalus papulus
Paedeumias
sp.
Syspacephalus? cf. uncus
Syspacephalus? sp.
Zacanthoides levis
Albertella Zone:
Achlysopsis hemitora
Albertella eiloiys
Albertella judithi
Albertella
lata
Albertelloides mischi
Albertelloides pandispinata
Albertelloides sp.
Alokistocare alta
Amecephalus
laticaudum
Bythicheilus sp.
Caborcella clinolimbata
Caborcella granosa
Chancia
venusta
Kootenia aculacauda
Kootenia brevispina
Kootenia convoluta
Kootenia crassa
Kootenia
crassinucha;
Ogygopsis sp.
Olenoides steptoensis
Oryctocephalites typicalis
Oryctocephalus maladensis
Oryctocephalus
cf.primus
Pachyaspis gallagari
Pachyaspis longa
Pagetia clytia
Pagetia maladensis
Pagetia
resseri
Poliella denticulata
Poliella germana
Poliella leipalox
Ptarmiganoides
araneicauda,
Ptarmiganoides lepida?
Ptarmiganoides
sp.
Spencia quadrata
Zacanthoides sp.
Glossopleura Zone:
Achlysopsis liokata
Amecephalus laticaudum
Athabaskia sp.
Bathyuriscus
petalus
Corynexochides prolatus
Caborcella sp.
Glossopleura sp.1
Glossopleura
sp.2;
Kistocare campbellensis
Kootenia crassa
Kootenia sp.
Olenoides
sp.
Pagetia arenosa
Pagetia maladensis
Pagetia mucrogena
Zacanthoides demissus
Other trilobites reported, but not confirmed:
Nephrolenellus gracillus (from Ruin Wash)
Ogygopsis typicalis (Resser 1939b): From an unnamed limestone unit just above the Pioche Shale (upper Middle Cambrian) in the Groom Mountains, near Area 51, Rachel, Lincoln Co. Nevada. If anyone has information on this unit, or a faunal list, please contact us.
Localities:
-Ruin Wash, Chief Range, Lincoln Co., Nevada
-Klondike Gap, Chief Range, Lincoln Co., Nevada
References:
Eddy, J.D., and McCollum, L.B., 1998, Early Middle Cambrian Albertella Biozone trilobites of the Pioche Shale, southeastern Nevada. Journal of Paleontology, v. 72, p. 864-887.
Fritz, W. H. 1968. Lower and early Middle Cambrian trilobites from the Pioche Shale, east-central Nevada, U.S.A. Palaeontology 11: 183-235.
Lieberman, B.S., 2003, A new soft-bodied fauna: The Pioche Formation of Nevada. Journal of Paleontology, v. 77, no. 4, p. 674-690.
Merriam, C.W., 1964, Cambrian rocks of the Pioche mining district, Nevada. U.S. Geological Survey Professional Paper 469, 59 p.
Palmer, A.R., 1998, Terminal Early Cambrian extinction of the Olenellina: Documentation from the Pioche Formation, Nevada. Journal of Paleontology, v. 72, p. 650-672.
Rowell, A.J., 1980, Inarticulate brachiopods of the Lower and Middle Cambrian Pioche Shale of the Pioche District, Nevada. University of Kansas Paleontological Contribution, Paper 98, 26 p.
Sundberg, F.A., and McCollum, L.B., 1997, Oryctocephalids (Corynexochida: Trilobita) of the Lower-Middle Cambrian boundary interval from California and Nevada. Journal of Paleontology, v. 71, p. 1065-1090.
Sundberg, F.A., and McCollum, L.B., 2000, Ptychopariid trilobites from the Lower-Middle Cambrian boundary interval, Pioche Shale, southeastern Nevada. Journal of Paleontology, v. 74, p. 604-630.
Sundberg, F.A., and McCollum, L.B., 2002, Kochiella Poulsen, 1927, and Hadrocephalites new (Ptychopariida, Trilobita) from the early Middle Cambrian of western Laurentia. Journal of Paleontology, v. 76, p. 76-94.
Sundberg, F.A., and McCollum, L.B., 2003a, Trilobites of the lower Middle Cambrian Poliella denticulata Biozone (new) of southeastern Nevada. Journal of Paleontology, v. 77, p. 333-361.
Sundberg, F.A., and McCollum, L.B., 2003b, Early and Mid Cambrian trilobites from the outer-shelf deposits of Nevada and California, USA. Palaeontology, v. 46, part 5, p. 945-986.
Virtual
Fossil Museum - Pioche Formation - a Burgess Shale Type Lagerstätte, retrieved July
2006.
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