This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
L. E. Popov, 2017 - The World’s second oldest strophomenoid-dominated benthic assemblage in the first Dapingian (Middle Ordovician) brachiopod fauna identified from Iran - Journal of Asian Earth Sciences (140), 1-12 (journal article, English)
G. Geyer, 2017 - Trilobites of the Galgenberg Member (Tannenknock Formation), middle Cambrian Stage 5, Franconian Forest, Germany: a paradigmatic lowermost middle Cambrian West Gondwanan fauna - Palaeontologische Zeitschrift (91), 5-70 (journal article, English)
G. Geyer, 2015 - The Paradoxides puzzle resolved: the appearance of the oldest paradoxidines and its bearing on the Cambrian Series 3 lower boundary - Paläontologische Zeitschrift (89), 335-398 (journal article, English)
I. Rabano, 2014 - A remarkable illaenid trilobite from the Middle Ordovician of Morocco - Bulletin of Geosciences (89), 365-374 (journal article, English)
Z. Zhou, 2014 - Ordovician (Darriwilian-early Katian) trilobite faunas of northwestern Tarim, Xinjiang, China - Memoirs of the Association of Australasian Palaeontologists (46), 1-142 (journal article, English)
R. A. Fortey, 2013 - Lower Ordovician trilobites of the Kirtonryggen Formation, Spitsbergen - Fossils and Strata (59), 1-116 (journal article, English)
J. R. Carlucci, 2012 - A systematic revision of the Upper Ordovician trilobite genus Bumastoides (Illaenidae), with new species from Oklahoma, Virginia and Missouri - Journal of Systematic Palaeontology (10), 679-723 (journal article, English)
A. W. Owen, 2012 - The only known cyclopygid–‘atheloptic’ trilobite fauna from North America: the upper Ordovician fauna of the Pyle Mountain Argillite and its palaeoenvironmental significance - Geological Magazine (149), 964-988 (journal article, English)
N. C. Hughes, 2011 - Cambrian rocks and faunas of the Black Mountain region, Bhutan - Geological Magazine (148), 351-379 (journal article, English)
A. P. Van Viersen, 2011 - Two new species of scutelluid trilobites formerly known as Scutellum costatum from Frasnian bioherms in Belgium - Bulletin - Institut royal des sciences naturelles de Belgique. Sciences de la terre (81), 55-61 (journal article, English)
J. M. Adrain, 2011 - Class Trilobita Walch, 1771 - Animal biodiversity: an outline of higher-level classification and survey of taxonomic richness (3148), 104-109 (book chapter, English)
F. A. Sundberg, 2011 - Detailed trilobite biostratigraphy across the proposed GSSP for stage 5 ("Middle Cambrian" boundary) at the Wuliu-Zengjiayan section, Guizhou, China - Bulletin of Geosciences (86), 423-464 (journal article, English)
F. C. Shaw, 2011 - Ordovician trilobites from the Romaine and Mingan Formations (Ibexian-Late Whiterockian), Mingan Islands, Quebec - Journal of Paleontology (85), 406-441 (journal article, English)
M. Ghobadi Pour, 2011 - Late Ordovician trilobites from the Karagach Formation of the western Tarbagatai Range, Kazakhstan - Earth and Environmental Science Transactions of the Royal Society of Edinburgh (101), 161-187 (journal article, English)
X. L. Yang, 2010 - Discovery of oryctocephalid trilobites from the Tsinghsutung Formation (Duyunian Stage, Qiandongian Series, Cambrian), Jianhe County, Guizhou Province - Geological Journal of China Universities (16), 309-316 (journal article, Chinese)
M. G. Pour, 2009 - Silicified Middle Cambrian trilobites from Kyrgystan - Palaeontology (52), 1039-1056 (journal article, English)
S. Peng, 2009 - Cambrian Trilobites from the Parahio and Zanskar Valleys, Indian Himalaya - Journal of Paleontology Memoir (83), 1-95 (journal article, English)
H. Yang, 2009 - Trilobite assemblage of the upper part of the Member 1 from the Aoxi Formation at Shizhu-Yaxi village, Tongren area, Guizhou Province, China and its significance - Geological Bulletin of China (28), 637-644 (journal article, Chinese)
Z. Zhou, 2008 - - Trilobite record of China (), 1-401 (book/book chapter, English)
D. K. Choi, 2008 - Upper Cambrian polymerid trilobites from the Machari Formation, Yongwol, Korea - Geobios (41), 183-204 (journal article, English)
E. Landing, 2008 - Faunas and Cambrian volcanism on the Avalonian marginal platform, southern New Brunswick - Journal of Paleontology (82), 884-905 (journal article, English)
G. D. Edgecombe, 2007 - Late Ordovician trilobites from Tasmania: Styginidae, Asaphidae and Lichidae - Memoirs of the Association of Australasian Palaeontologists (30), 59-77 (journal article, English)
X. J. Zhu, 2007 - On a new species of Shergoldia Zhang and Jell, 1987 (Trilobita), the family Tsinaniidae and the order Asaphida - Memoirs of the Association of Australasian Palaeontologists (34), 243-253 (journal article, English)
G. D. Edgecombe, 2007 - Ordovician trilobites with eastern Gondwanan affinities from central-west New South Wales and Tasmania - Memoirs of the Association of Australasian Palaeontologists (34), 255-281 (journal article, English)
A. P. Van Viersen, 2006 - New Middle Devonian trilobites form Vireux-Molhain (Ardennes, northern France) - Senkenbergiana lethaea (86), 63-75 (journal article, English)
B. D. Chatterton, 2006 - Trilobites from the upper Lower to Middle Devonian Timrhanrhart Formation, Jbel Gara el Zguilma, southern Morocco - Palaeontolographica Canadiana (), 1-177 (journal article, English)
H. Özdikmen, 2006 - Nomenclatural changes for fourteen trilobites genera - Munis Entomology & Zoology (1), 179-190 (journal article, English)
W. T. Dean, 2006 - Cambrian stratigraphy and trilobites of the Samur Dag area, south of Hakkari, southeastern Turkey - Turkish Journal of Earth Sciences (15), 225-257 (journal article, English)
J. R. Paterson, 2006 - New trilobites from the Lower Cambrian Emu Bay Shale Lagerstätte at Big Gully, Kangaroo Island, South Australia - Memoirs of the Association of Australasian Palaeontologists (32), 43-57 (journal article, English)
J. S. Hollingsworth, 2005 - A trilobite fauna in a storm bed in the Poleta Formation (Dyeran, Lower Cambrian), western Nevada, U.S.A. - Geosciences Journal (9), 129-143 (journal article, English)
J. Duan, 2005 - - The Cambrian stratigraphy, fauna and palaeogeography in eastern of North China Plate (), 1-255 (book, English)
S. Peng, 2004 - - Polymerid trilobites from the Cambrian of northwestern Hunan, China, Volume 1: Corynexochida, Lichida and Asaphida (), 1-333 (book/book chapter, English)
J. R. Paterson, 2004 - Late Cambrian trilobites from the Dolodrook River limestones, eastern Victoria, Australia - Memoirs of the Association of Australasian Palaeontologists (30), 83-111 (journal article, English)
L. Amati, 2004 - A systematic revision of Thaleops (Trilobita: Illaenidae) with new species from the middle and late Ordovician of Oklahoma and New York - Journal of Systematic Palaeontology (2), 207-2- (journal article, English)
I. F. Nikitin, 2003 - Late Ordovician brachiopods from the Selety river basin, north Central Kazakhstan - Acta Palaeontologica Polonica (48), 39-54 (journal article, English)
F. A. Sundberg, 2003 - Early and Mid Cambrian Trilobites from the Outer-shelf Deposits of Nevada and California, USA - Palaeontology (46), 945-986 (journal article, English)
J. Bruthansová, 2003 - The trilobite Family Illaenidae Hawle et Corda, 1847 from the Ordovician of the Prague Basin (Czech Republic) - Transactions of the Royal Society of Edinburgh: Earth Sciences (93), 167-190 (journal article, English)
F. A. Sundberg, 2003 - Trilobites of the lower Middle Cambrian Poliella denticulata biozone (new) of southeastern Nevada - Journal of Paleontology (77), 331-359 (journal article, )
W. Kiessling, 2003 - Personal data - (), - (unpublished, English)
P. A. Jell, 2002 - Available generic names for trilobites - Memoirs of the Queensland Museum (48), 331-553 (journal article, English)
J. J. Sepkoski, Jr., 2002 - A compendium of fossil marine animal genera - Bulletins of American Paleontology (363), 1-560 (serial monograph, English)
S. T. Turvey, 2002 - Arenig trilobite associations of Daping, Yichang, Hubei, South China - Acta Palaeontologica Sinica (41), 10-18 (journal article, English)
J. Y. Duan, 2001 - Early Cambrian Siberian fauna from Yichun of Heilongjiang Province - Acta Palaeontologica Sinica (40), 362-370 (journal article, Chinese)
K. L. Luo, 2001 - Upper Middle-Upper Cambrian trilobites of Hancheng area, Shaanxi - Acta Palaeontologica Sinica (40), 371-387 (journal article, Chinese)
H. B. Whittington, 2000 - Stygina, Eobronteus (Ordovician Styginidae, Triolobita): Morphology, Classification, and Affinities of Illaenidae - Journal of Paleontology (74), 879-889 (journal article, English)
D. J. Holloway, 1999 - A replacement name for the trilobite Lalax Holloway and Lane non Hamilton - Palaeontology (42), 375- (journal article, English)
R. A. Fortey, 1999 - Trilobites from the Base of the Type Whiterockian (Middle Ordovician) in Nevada - Journal of Paleontology (73), 182-201 (journal article, English)
Y. Duan, 1999 - Middle and Upper Cambrian polymerid trilobites and biostratigraphy, Fenghuang area, western Hunan Province, China - Proceedings of the Royal Society of Victoria (111), 141-172 (journal article, English)
G. Yin, 1999 - Trilobites and biofacies of the Ordovician Pagoda Formation, Donggongsi of Zunyi, Guizhou Province, China - Transactions of the Royal Society of Edinburgh (90), 203-220 (journal article, English)
J. D. Eddy, 1998 - Early Middle Cambrian Albertella biozone trilobites of the Pioche Shale, southeastern Nevada - Journal of Paleontology (72), 864-887 (journal article, )
D. J. Holloway, 1998 - Effaced styginid trilobites from the Silurian of New South Wales - Palaeontology (41), 853-896 (journal article, English)
J. L. Yuan, 1998 - New polymerid trilobites from the Chefu Formation in early Late Cambrian of eastern Guizhou - Acta Palaeontologica Sinica (37), 137-172 (journal article, English)
Z. Zhou, 1998 - Ordovician trilobites from the Dawangou Formation, Kalpin, Xinjiang, north-west China - Palaeontology (41), 693-735 (journal article, English)
J. L. Yuan, 1997 - A preliminary study on Lower-Middle Cambrian boundary and trilobite fauna at Balang, Taijiang, Guizhou, south China - Acta Palaeontologica Sinica (36), 494-524 (journal article, Chinese)
J. Vanek, 1997 - Trilobites of the Bohdalec Formation (Upper Berounian, Ordovician, Prague Basin, Czech Republic) - Palaeontologia Bohemiae (6), 20-50 (journal article, English)
G. Geyer, 1997 - Middle Cambrian fossils from Tizi n`Tichka, the High Atlas, Morocco. Part 1. Introduction and trilobites - Journal of Paleontology (71), 620-637 (journal article, English)
F. A. Sundberg, 1997 - Oryctocephalids (Corynexochida: Trilobita) of the Lower-Middle Cambrian boundary interval from California and Nevada - Journal of Paleontology (77), 1065-1090 (journal article, English)
H. B. Whittington, 1997 - Trilobita. Introduction, Order Agnostina, Order Redlichiida. Volume 1 - Treatise on Invertebrate Paleontology (O), 1-530 (serial monograph, English)
J. M. Adrain, 1995 - Silurian trilobites from southwestern Alaska - Journal of Paleontology (69), 723-736 (journal article, English)
W. Zhang, 1995 - Cambrian stratigraphy and trilobites from Henan - Palaeontologia Cathayana (6), 1-166 (journal article, English)
S. C. Peng, 1995 - New polymerid trilobites from Middle Cambrian Huaqiao Formation of western Hunan - Acta Palaeontologica Sinica (34), 277-300 (journal article, Chinese)
A. T. Nielsen, 1995 - Trilobite systematies, biostratigraphy and palaeoecology of the Lower Ordovician Komstad Limestone and Huk Forrnations, southern Scandinavia - Fossils and Strata (38), 1-374 (serial monograph, English)
R. Wolfart, 1994 - Middle Cambrian Faunas (Brachiopoda, Mollusca, Trilobita) from Exotic Limestone Blocks, Reilly Ridge, North Victoria Land, Antarctica; their Biostratigraphic and Paleogeographic Significance - Geologisches Jahrbuch (B/84), 1-161 (serial monograph, English)
J. Yang, 1993 - - Cambrian stratigraphy, lithofacies, paleogeography and trilobite faunas of East Qinling-Dabashan Mountains, China (), 1-246 (book/book chapter, English)
J. Jin, 1993 - Early Silurian brachiopods and biostratigraphy of the Hudson Bay Lowlands, Manitoba, Ontario and Quebec - Bulletin Geological Survey of Canada (457), 1-221 (serial monograph, English)
J. L. Zhang, 1993 - Some Late Cambrian trilobites from Kushan Formation of Qingshuihe, Inner Mongolia - Acta Palaeontologica Sinica (32), 740-746 (journal article, Chinese)
S. Peng, 1992 - Upper Cambrian biostratigraphy and trilobite faunas of the Cili-Taoyuan area, northwestern Hunan, China - Memoir of the Association of Australasian Palaeontologists (13), 1-119 (serial monograph, English)
W. Hammann, 1992 - The Ordovician trilobites from the Iberian Chains in the province of Aragon, NE Spain, 1: The trilobites of the Cystoid Limestone (Ashgill Series) - Beringeria (6), 3-219 (journal article, English)
W. H. Fritz, 1991 - Lower Cambrian Trilobites from the Illtyd Formation, Wernecke Mountains, Yukon Territory - Geological Survey of Canada Bulletin (409), - (serial monograph, English)
S. Peng, 1990 - Tremadoc stratigraphy and trilobite faunas of northwestern Hunan. 1: Trilobites from the Nantsinkwan Formation of the Yangtze Platform - Beringeria (2), 3-53 (journal article, English)
Y. H. Lu, 1989 - The Cambrian trilobites of western Zhejiang - Palaeontologia Sinica, new series B (25), 1-287 (serial monograph, Chinese)
Z. L. Zhu, 1989 - Upper Cambrian trilobites from Tangshan, Hebei Province, North China - Palaeontologia Cathayana (4), 199-259 (journal article, English)
R. Ludvigsen, 1989 - Sunwaptan (Upper Cambrian) trilobites of the Cow Head Group, western Newfoundland, Canada - Palaeontographica Canadiana (6), 1-175 (serial monograph, English)
W. D. Boyce, 1989 - Early Ordovician trilobite faunas of the Boat Harbour and Catoche Formations (St. George Group) in the Boat-Harbour-Cape Norman area, Great Northern Peninsula, western Newfoundland - Geological Survey Branch, Department of Mines and Energy, Newfoundland and Labrador, Report 89-2 (), 1-168 (serial monograph, English)
D. L. Bruton, 1988 - Norwegian Upper Ordovician illaenid trilobites - Norsk Geologisk Tidsskrift (68), 241-258 (journal article, English)
B. R. Pratt, 1988 - An Ibexian (Early Ordovician) trilobite faunule from the type section of the Rabbitkettle Formation (southern Mackenzie Mountains, Northwest Territories) - Canadian Journal of Earth Sciences (25), 1595-1607 (journal article, English)
H. Y. Zhu, 1987 - Cambrian trilobites from Xijiadian, Junxian, Hubei - Acta Palaeontologica Sinica (26), 86-95 (journal article, Chinese)
B. T. Xu, 1987 - Discovery of Early Cambrian trilobites from Shanghai and its stratigraphic significance - Acta Palaeontologica Sinica (26), 103-109 (journal article, Chinese)
T. Kobayashi, 1986 - The second addition of the Silurian trilobite fauna of Yokokura-Yama, Shikoko, Japan - Transactions and Proceedings of the Paleontological Society of Japan, N.S. (143), 447-462 (journal article, English)
Z. Zhou, 1986 - Ordovician trilobites from north and northeastern China - Palaeontographica Abteilung A (192), 157-210 (journal article, English)
Q. Z. Zhang, 1985 - Early Cambrian trilobite fauna of Kunshan, Jiangsu - Acta Palaeontologica Sinica (24), 259-266 (journal article, Chinese)
J. L. Zhang, 1985 - New material of the Early Gushanian trilobites in Zhuozishan district, Nei Monggol Zizhiqu (Autonomous Region) - Bulletin of the Tianjin Institute of Geology and Mineral Resources (13), 111-120 (journal article, Chinese)
Y. Qian, 1984 - Middle and early Upper Cambrian trilobites from Kunshan, Jiangsu with reference to their distribution in the Lower Yangtze Region - Acta Palaeontologica Sinica (23), 170-184 (journal article, Chinese)
Z. Zhou, 1984 - Trilobites from the Ordovician Shihtzupu Formation, Zunyi, Guizhou Province, China - Transactions of the Royal Society of Edinburgh: Earth Sciences (75), 13-36 (journal article, English)
P. D. Lane, 1984 - Silurian trilobites from Hall Land and Nyeboe Land, western Greenland - Rapport, Grønlands Geologiske Undersøgelse (121), 53-75 (journal article, English)
R. A. Fortey, 1984 - Early Ordovician trilobites, Nora Formation, central Australia - Palaeontology (27), 315-366 (journal article, English)
H. Qiu, 1984 - Trilobites from the Upper Cambrian Tangcun Formation in Jingxian, southern Anhui - Acta Palaeontologica Sinica (23), 329-341 (journal article, Chinese)
T. Kobayashi, 1984 - New observations of Shiroishi-ohsawa, Mt. Yokokura, Kochi Prefecture with palaeontological studies on the cephalopods and trilobites from the locality - Research Report of the Kochi University (32), 235-258 (journal article, English)
T. Y. Ju, 1983 - Early Cambrian trilobites from the Hotang and Dachenling formations of Zhejiang - Acta Palaeontologica Sinica (22), 628-636 (journal article, Chinese)
Z. L. Zhu, 1983 - Some Early Cambrian trilobites from the Xidashan Formation of Kuruktag, Xinjiang - Acta Palaeontologica Sinica (22), 21-30 (journal article, Chinese)
Y. Howells, 1982 - Scottish Silurian trilobites - Monograph of the Palaeontographical Society (135), 1-70 (serial monograph, English)
D. J. Holloway, 1982 - Trilobites from the Mount Ida Formation (Late Silurian-Early Devonian), Victoria - Proceedings of the Royal Society of Victoria (94), 133-154 (journal article, English)
A. W. Owen, 1982 - The Middle Ordovician of the Oslo Region, Norway, 31. The upper Caradoc trilobites and brachiopods from Vestbraten, Ringerike - Norsk Geologisk Tidsskrift (62), 95-120 (journal article, English)
A. W. Owen, 1981 - The Ashgill Trilobites of the Oslo Region, Norway - Palaeontographica Abteilung A (175), 1-88 (journal article, English)
Y. L. Zhao, 1981 - Early and Middle Cambrian trilobites from Daoping of Fuquan, Guizhou - Acta Palaeontologica Sinica (20), 216-224 (journal article, Chinese)
R. P. Tripp, 1980 - Trilobites from the Ordovician Balclatchie and lower Ardwell groups of the Girvan district, Scotland - Transactions of the Royal Society of Edinburgh (71), 123-145 (journal article, English)
W. T. Zhang, 1980 - Cambrian trilobite faunas of southwestern China - Palaeontologia Sinica, new series B (16), 1-497 (serial monograph, Chinese)
W. Zhang, 1980 - Cambrian stratigraphy and trilobite fauna from the Zhongtiao Mountains, southern Shanxi - Memoirs of Nanjing Institute of Geology and Palaeontology (16), 39-110 (journal article, Chinese)
A. W. Owen, 1980 - Late Caradoc-early Ashgill trilobites of the central Oslo Region, Norway - Paleontological Contributions from the University of Oslo. No. 245 (245), 1-63 (journal article, English)
B. D. E. Chatterton, 1980 - Ontogenetic studies of Middle Ordovician trilobites from the Esbataottine Formation, Mackenzie Mountains, Canada - Palaeontographica Abteilung A (171), 1-74 (journal article, English)
Y. Lu, 1980 - Cambrian trilobites from Chuxian-Quanjiao region, Anhui - Memoirs of Nanjing Institute of Geology and Palaeontology (16), 1-38 (journal article, Chinese)
R. A. Fortey, 1980 - The Ordovician trilobites of Spitsbergen. III. Remaining trilobites of the Valhallfonna Formation - Norsk Polarinstitutt Skrifter (171), 1-163 (serial monograph, English)
R. Ludvigsen, 1979 - Lower Ordovician trilobites of the Oxford Formation, eastern Ontario - Canadian Journal of Earth Sciences (16), 859-865 (journal article, English)
A. R. Palmer, 1979 - Physical Stratigraphy and Trilobite Biostratigraphy of the Carrara Formation (Lower and Middle Cambrian) in the Southern Great Basin - United States Geological Survey Professional Paper (1047), 1-131 (journal article, English)
D. L. Bruton, 1979 - Late Caradoc - early Asghill trilobite distribution in the central Oslo Region, Norway - Norsk Geologisk Tidsskrift (59), 213-222 (journal article, English)
D. V. Osadchaya, 1979 - Stratigrafiya i arkheotsiaty nizhnego kembriya Altaye-Sayanskoy skladchatoy oblasti [Lower Cambrian stratigraphy and archaeocyatha of the Altay-Sayan fold belt] - Trudy Instituta Geologii i Geofiziki, Sibirskoye Otdeleniye (380), 1-215 (serial monograph, Russian)
B. D. E. Chatterton, 1976 - Silicified Middle Ordovician trilobites from the South Nahanni River Area, District of Mackenzie, Canada - Palaeontographica Abteilung A (154), 1-106 (journal article, )
T. Kobayashi, 1974 - Silurian trilobites of Japan in comparison with Asian, Pacific and other faunas - Palaeontological Society of Japan Special Papers (18), 1-155 (journal article, English)
W. T. Dean, 1973 - Lower Ordovician trilobites from the Summerford Group at Virgin Arm, New World Island, northeastern Newfoundland - Geological Survey of Canada Bulletin (240), 1-43 (journal article, English)
A. R. Palmer, 1972 - Early and Middle Cambrian Trilobites from Antarctica - Contributions to the geology of Antarctica (), - (journal article, English)
T. J. A. Reijers, 1972 - Facies and diagenesis of the Devonian Portilla Limestone Formation between the River Esla and the embalse de la Luna, Cantabrian Mountains, Spain - Leidse Geologische Mededelingen (47), 163-249 (journal article, English)
W. H. Fritz, 1972 - Lower Cambrian trilobites from the Sekwi Formation type section, northwestern Canada - Geological Survey of Canada Bulletin (212), - (serial monograph, English)
J. H. Shergold, 1971 - Late Upper Cambrian trilobites from the Gola Beds, western Queensland - Commonwealth of Australia, Department of National Development, Bureau of Mineral Resources, Geology, and Geophysics Bullein (112), 1-87 (journal article, English)
B. D. E. Chatterton, 1971 - Taxonomy and ontogeny of Siluro-Devonian trilobites from near Yass, New South Wales - Palaeontographica Abteilung A (137), 1-108 (journal article, English)
R. J. Ross, Jr., 1970 - Ordovician Brachiopods, Trilobites, and Stratigraphy in Eastern and Central Nevada - United States Geological Survey Professional Paper (639), 1-99 (journal article, English)
F.C. Shaw, 1968 - Early Middle Ordovician (Chazy) trilobites of New York - New York State Museum and Science Service Memoir (17), 1-163 (journal article, English)
A. V. Rozova, 1968 - Biostratigrafiya i trilobity verkhnego Kembriya i nizhnego Ordovika severo-zapada Sibirskoy Platformy [Biostratigraphy and trilobites of the Upper Cambrian and Lower Ordovician of the northwestern Siberian platform] - Trudy Instituta Geologii i Geofiziki, Sibirskoye Otdeleniye (36), 1-195 (serial monograph, Russian)
H. B. Whittington, 1968 - Zonation and correlation of Canadian and Early Mohawkian series - in E. Zen, ed., Studies of Appalachian geology, northern and marine (), 49-60 (book/book chapter, English)
R. A. Robison, 1968 - Tremadocian trilobites from the Nochixtlan Region, Oaxaca, Mexico - Journal of Paleontology (42), 767-800 (journal article, )
D. L. Bruton, 1968 - The trilobite genus Panderia from the Ordovician of Scandinavia and the Baltic areas - Norsk Geologisk Tidsskrift (48), 1-53 (journal article, English)
W. H. Fritz, 1968 - Lower and early Middle Cambrian trilobites from the Pioche Shale, East-Central Nevada, U.S.A. - Palaeontology (11), 36-43 (journal article, English)
R. J. Ross, Jr., 1967 - Some Middle Ordovician Brachiopods and Trilobites from the Basin Ranges, Western United States - United States Geological Survey Professional Paper (523-D), D1-D4 (journal article, English)
C. Lochman, 1966 - Lower Ordovician (Arenig) faunas from the Williston Basin, Montana and North Dakota - Journal of Paleontology (40), 512-548 (journal article, )
H. B. Whittington, 1966 - The Ordovician trilobites of the Bala Area, Merioneth. Part III - Monograph of the Palaeontographical Society (120), 63-92 (serial monograph, English)
A. R. Palmer, 1965 - Trilobites of the Late Cambrian Pterocephaliid Biomere in the Great Basin, United States - United States Geological Survey Professional Paper (493), 1-105 (serial monograph, English)
H. B. Whittington, 1965 - Trilobites of the Ordovician Table Head Formation, western Newfoundland - Bulletin of the Museum of Comparative Zoology (132), 275-441 (serial monograph, English)
F. Rasetti, 1965 - Middle Cambrian trilobites of the Pleasent Hill Formation in Central Pennsylvania - Journal of Paleontology (39), 1007-1014 (journal article, )
R. B. Neuman, 1964 - Fossils in the Ordovician Tuffs Northeastern Maine, with a section on Trilobita by Harry B. Whittington - United States Geological Survey Bulletin (1181), 1-38 (serial monograph, English)
A. R. Palmer, 1964 - An unusual Lower Cambrian trilobite fauna from Nevada - United States Geological Survey Professional Paper (483-F), F1-F12 (serial monograph, English)
H. B. Whittington, 1963 - Middle Ordovician trilobites from Lower Head, western Newfoundland - Bulletin of the Museum of Comparative Zoology (129), 1-118 (serial monograph, English)
T. Kobayashi, 1960 - The Cambro-Ordovician formations and faunas of South Korea, part VI, Paleontology V - Journal of the Faculty of Sciences, University of Tokyo, Section 2 (12), 217-275 (journal article, English)
C. L. Chu, 1959 - Trilobites from the Kushan Formation of north and northeastern China - Memoirs of the Institute of Palaeontology Academia Sinica (2), 44-128 (journal article, Chinese)
H. J. Harrington, 1957 - Ordovician trilobites of Argentina - Department of Geology, University of Kansas Special Publication. Lawrence: University of Kansas Press (1), 1-276 (, English)
A. B. Shaw, 1957 - Paleontology of Northwestern Vermont. VI. The early Middle Cambrian fauna - Journal of Paleontology (31), 785-792 (journal article, )
C. Lochman, 1956 - Stratigraphy, paleontology, and paleogeography of the Elliptocephala asaphoides strata in Cambridge and Hoosick quadrangles, New York - Geological Society of America Bulletin (67), 1331-1396 (journal article, English)
S. Skjeseth, 1955 - The Middle Ordovician of the Oslo region, Norway 5. The Trilobite Family Styginidae - Norsk Geologisk Tidsskrift (35), 1-29 (journal article, English)
H. B. Whittington, 1954 - Ordovician trilobites from Silliman's Fossil Mount - in A. K. Miller, W. Youngquist, and C. Collinson, Ordovician cephalopod fauna of Baffin Island, Geological Society of America Memoir (62), 119-149 (serial monograph, English)
A. R. Palmer, 1954 - The Faunas of the Riley Formation in Central Texas - Journal of Paleontology (28), 709-786 (journal article, English)
C. Lochman, 1953 - Notes on Cambrian trilobites – homonyms and synonyms - Journal of Paleontology (27), 886-889 (journal article, English)
B. N. Cooper, 1953 - Trilobites from the Lower Champlainian formations of the Appalachian Valley - Geological Society of America Memoir (55), 1-69 (serial monograph, English)
G. A. Cooper, 1952 - Cambrian Stratigraphy and Paleontology near Caborca, Northwestern Sonora, Mexico - Smithsonian Miscellaneous Collections (119), 1-181 (journal article, English)
L. F. Hintze, 1952 - Lower Ordovician trilobites from western Utah and eastern Nevadea - Utah Geological and Mineralogical Survey Bulletin (48), 249 p- (serial monograph, English)
C. Rusconi, 1951 - Fosiles Cambricos de Salagasta, Mendoza - Anales de la Sociedad Cientifica Argentina (152), 255-264 (journal article, Spanish)
G. W. Sinclair, 1949 - The Ordovician trilobite Eobronteus - Journal of Paleontology (23), 45-56 (journal article, English)
T. Kobayashi, 1943 - Cambrian faunas of Siberia - Journal of the Faculty of Science, Imperial University of Tokyo, 2 (6), 271-334 (journal article, English)
C. E. Resser, 1939 - The Spence Shale and its fauna - Smithsonian Miscellaneous Collections (97), 1-29 (journal article, English)
W. H. Twenhofel, 1938 - Geology and paleontology of the Mingan Islands, Quebec - Geological Society of America Special Paper (11), 1-123 (serial monograph, English)
C. E. Resser, 1938 - Middle Cambrian fossils from Pend Oreille Lake, Idaho - Smithsonian Miscellaneous Collections (97), 1-12 (serial monograph, English)
R. Endo, 1937 - The Sinian and Cambrian Formations and fossils of southern Manchoukuo - Manchurian Science Museum Bulletin (1), 1-474 (journal article, English)
C. E. Resser, 1936 - Second contribution to nomenclature of Cambrian trilobites - Smithsonian Miscellaneous Collections (95), 1-29 (journal article, English)
J. F. Mason, 1935 - Fauna of the Cambrian Cadiz Formation, Marble Mountains, California - Bulletin of the Southern California Academy of Sciences (34), 97-120 (journal article, English)
C. E. Resser, 1935 - Nomenclature of some Cambrian trilobites - Smithsonian Miscellaneous Collections (93), 1-46 (journal article, English)
T Kobayashi, 1933 - Faunal study of the Wanwanian (basal Ordovician) series with special notes on the Ribeiridae and the Ellesmereoceroids - Journal of the Faculty of Science Imperial University of Tokyo Section II Geology, Mineralogy, Geography, Seismology (3), 249-328 (journal article, )
F. B. Phleger, Jr., 1933 - Notes on certain Ordovician faunas of the Inyo Mountains, California - Bulletin of the Southern California Academy of Sciences (32), 1-21 (journal article, English)
E. S. Cobbold, 1931 - Additional fossils from the Cambrian Rocks of Comley, Shropshire - Quarterly Journal of the Geological Society (87), 459-512 (journal article, English)
J. H. Bradley, 1930 - The fauna of the Kimmswick limestone of Missouri and Illinois - Contributions from the Walker Museum, University of Chicago (2), 219-290 (journal article, English)
C. E. Resser, 1928 - Cambrian fossils from the Mohave desert - Smithsonian Miscellaneous Collections (81), 1-14 (journal article, English)
W. H. Twenhofel, 1928 - Geology of Anticosti Island - Geological Survey of Canada Memoir (154), 1-351 (journal article, English)
E. Warburg, 1925 - The Trilobites of the Leptæna Limestone in Dalarne - Leptæna Limestone Trilobites (), 1-446 (book, English)
C. W. Clark, 1921 - Lower and middle Cambrian formations of the Mohave Desert - University of California Publications, Bulletin of the Department of Geological Sciences (13), 1-7 (journal article, English)
P. E. Raymond, 1916 - New and old Silurian trilobites from Southeastern Wisconsin, with notes on the genera of the Illaenidae - Bulletin of the Musuem of Comparative Zoology (60), 1-42 (journal article, English)
C. D. Walcott, 1916 - Cambrian geology and paleontology III. No. 3 - Cambrian trilobites - Smithsonian Miscellaneous Collections (64), 157-258 (serial monograph, English)
P. E. Raymond, 1913 - Notes on some new and old trilobites in the Victoria Memorial Museum, Canada Geological Survey (Ottawa) - Bulletin of the Victoria Memorial Museum (1), 33-39 (journal article, English)
C. D. Walcott, 1912 - Cambrian geology and paleontology. II. New York Potsdam Hoyt fauna - Smithsonian Miscellaneous Collections (57), 263-289 (journal article, English)
C. W. Walcott, 1908 - Cambrian Geology and Paleontology. No. 2. Cambrian Trilobites - Smithsonian Miscellaneous Collections (53), 13-48 (journal article, English)
J. F. Whiteaves, 1906 - The fossils of the Silurian (Upper Silurian) rocks of Keewatin, Manitoba, the north eastern shore of Lake Winnipegosis, and the lower Saskatchewan River - Palaeozoic Fossils (3), 245-297 (journal article, English)
C. D. Walcott, 1890 - Descriptive notes of new genera and species from the Lower Cambrian or Olenellus zone of North America - Proceedings of the United States National Museum (12), 33-46 (journal article, English)
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