Pérez-Peris, F., Adrain, J.M. & Daley, A.C. (in press) Phylogenetics and systematics of the subfamilies Cheirurinae and Deiphoninae (Trilobita). Swiss Journal of Palaeontology.
Adrain, J.M., Westrop, S.R., Landing, E., Karim, T.S., Losso, S.R., Ng, R.Y., Bradley, A.B. & Pérez-Peris, F. (in press) Trilobite biostratigraphy of the upper Skullrockian Stage (Lower Ordovician; lower Tremadocian) on the northern Laurentian margin, western United States. Australasian Palaeontological Memoirs.
Adrain, J.M. (in press) The Early Ordovician bathyurid trilobites Licnocephala and Ibexocephala. Journal of Paleontology.
Pérez-Peris, F., Adrain, J.M. & Allison C. Daley (2024) Ordovician paleobiogeography of the Suborder Cheirurina (Trilobita). Palaeogeography, Palaeoclimatology, Palaeoecology, 647, 112222. Link (open access)
Westrop, S.R., Welch, K.F., Engel, M.H. & Adrain, J.M. (2023) Faunal and paleoenvironmental changes at a Cambrian (Jiangshanian; Steptoean–Sunwaptan boundary interval) trilobite extinction event, in contrasting deep and shallow subtidal settings, Nevada and Oklahoma. Journal of Paleontology. Link (open access)
Adrain, J.M. & Pérez-Peris, F. (2023) Funeralaspis n. gen.: a new odontopleurine trilobite from the early Middle Ordovician (Dapingian) of Death Valley, eastern California, USA, and the classification of Ordovician odontopleurines. Zootaxa, 5336, 509–529.
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Adrain, J.M., Karim, T.S. & Westrop, S.R. (2014) The Early Ordovician (Floian) bathyurid trilobite genera Jeffersonia, Cullisonia, and Bathyurina. Memoirs of the Association of Australasian Palaeontologists, 45, 305–347.
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Westrop, S.R. & Adrain, J.M. (2013) Biogeographic shifts in a transgressive succession: The Cambrian (Furongian; Jiangshanian; latest Steptoean–earliest Sunwaptan) agnostoid arthropods Kormagnostella Romanenko and Biceragnostus Ergaliev in North America. Journal of Paleontology, 87, 804–817.
Adrain, J.M., McAdams, N.E.B. & Karim, T.S. (2012) The Middle Ordovician (Dapingian and Darriwilian) bathyurid trilobite Pseudoolenoides. Zootaxa, 3467, 1–97.
Adrain, J.M. & McAdams, N.E.B. (2012) The Lower Ordovician (upper Floian) bathyurid trilobite Aponileus Hu, with species from Utah, Texas, and Greenland. Zootaxa, 3293, 1–67.
Carlucci, J., Westrop, S.R., Amati, L., Adrain, J.M. & Swisher, R.E. (2012) A systematic revision of the Upper Ordovician trilobite genus Bumastoides (Trilobita: Illaenidae) with new species from Oklahoma, Virginia, and Missouri. Journal of Systematic Palaeontology, 10, 679–723.
Landing, E., Adrain, J.M., Westrop, S.R. & Kröger, B. (2012) Tribes Hill-Rochdale Formations in east Laurentia: proxies for Early Ordovician (Tremadoc) eustasy on a tropical passive margin (New York and west Vermont). Geological Magazine, 149, 93–123.
Adrain, J.M. (2011) Class Trilobita Walch, 1771. In: Zhang, Z.-Q. (ed.), Animal biodiversity: An outline of higher-level classification and survey of taxonomic richness. Zootaxa, 3148, 104–109.
McAdams, N.E.B. & Adrain, J.M. (2011) Revision of the Lower Ordovician (lower Floian; Tulean) pliomerid trilobite Protopliomerella, with new species from the Great Basin, western USA. Zootaxa, 3144, 1-113.
Adrain, J.M., McAdams, N.E.B. & Westrop, S.R. (2011) Affinities of the Lower Ordovician (Tulean; lower Floian) trilobite Gladiatoria, with species from the Great Basin, western United States. Memoirs of the Association of Australasian Palaeontologists, 42, 321-367.
Adrain, J.M., McAdams, N.E.B., Westrop, S.R. & Karim, T. S. (2011) Systematics and affinity of the Lower Ordovician (Tulean; lower Floian) trilobite Psalikilopsis. Memoirs of the Association of Australasian Palaeontologists, 42, 369-416.
Adrain, J.M. (2011) A new trilobite biostratigraphy for the Lower Ordovician of western Laurentia and prospects for international correlation using pelagic trilobites. In: Gutiérrez-Marco, J. C., Rábano, I., Garcia-Bellido, D. (Eds.), Ordovician of the World. Cuadernos del Museo Geominero, 14, 41-42.
Landing, E., Westrop, S.R. & Adrain, J. M. (2011) The Lawsonian Stage - the Eoconodontus notchpeakensis (Miller, 1969) FAD and HERB carbon isotope excursion define a globally correlatable terminal Cambrian stage. Bulletin of Geosciences, 86, 621-640.
Westrop, S.R., Adrain, J.M. & Landing, E. (2011) The Cambrian (Sunwaptan, Furongian) agnostoid arthropod Lotagnostus Whitehouse, 1936, in Laurentian and Avalonian North America: systematics and biostratigraphic significance. Bulletin of Geosciences, 86, 569-594.
McAdams, N.E.B. & Adrain, J.M. (2011) Panisaspis, a new genus of pliomerid trilobites from the Lower Ordovician (Ibexian; Tulean and Blackhillsian) of the Great Basin, western USA. Zootaxa, 2969, 1-68.
Adrain, T.S., Budd, A.F., & Adrain, J.M. (2011) Digitizing collections: Experiences from the University of Iowa Paleontology Repository digitization project. Geological Curator, 9, 291-299.
McAdams, N.E.B., & Adrain, J.M. (2011) Systematics of the Lower Ordovician pliomerid trilobite Hintzeia, with species from the Great Basin, western USA. Zootaxa, 2910, 1-45.
Westrop, S.R., Waskiewicz, R.A., & Adrain, J.M. (2010) Systematics of Dokimocephalus and related trilobites from the Late Cambrian (Steptoean; Millardan and Furongian series) of Laurentian North America. Journal of Systematic Palaeontology, 8, 545-606.
McAdams, N.E.B., & Adrain, J. M. (2010) A new species of the Lower Ordovician pliomerid trilobite Pseudocybele and its biostratigraphic significance. Zootaxa, 2550, 21-38.
Adrain, J.M., McAdams, N.E.B. & Westrop, S.R. (2009) Trilobite biostratigraphy and revised bases of the Tulean and Blackhillsian Stages of the Ibexian Series, Lower Ordovician, western United States. Memoirs of the Association of Australasian Palaeontologists, 37, 5435-58.
McAdams, N.E.B. & Adrain, J.M. (2009) Heckethornia, a new genus of dimeropygid trilobites from the Lower Ordovician (Ibexian; Tulean and Blackhillsian) of the Great Basin, western USA. Canadian Journal of Earth Sciences, 46, 875-914.
McAdams, N.E.B. & Adrain, J.M. (2009) New pliomerid trilobite genus Lemureops from the Lower Ordovician (Ibexian; Tulean, Blackhillsian) of western Utah, USA. Memoirs of the Association of Australasian Palaeontologists, 37, 491-540.
Westrop, S.R. & Adrain, J.M. (2009) The late Cambrian (Furongian; Steptoean) trilobite genus Xenocheilos Wilson, 1949: systematics and biostratigraphic significance. Memoirs of the Association of Australasian Palaeontologists, 37, 351-368.
Adrain, J.M., Peters, S.E. & Westrop, S.R. (2009) The Marjuman trilobite Cedarina Lochman: thoracic morphology, systematics, and new species from western Utah and eastern Nevada, USA. Zootaxa, 2218, 35-58.
Adrain, J.M. (2009) New and revised species of the aulacopleurid trilobite Maurotarion from the Lower Devonian (Pragian) of Nevada. Zootaxa, 2215, 1-23.
Westrop, S.R. & Adrain, J.M. (2009) The Late Cambrian (Steptoean; Furongian) trilobite Pseudokingstonia Palmer, 1965 in North America. Canadian Journal of Earth Sciences, 46, 355-360.
Adrain, J.M., Chatterton, B.D.E. & Kloc, G.J. (2008) Systematics of the koneprusiine trilobites, with new taxa from the Silurian and Devonian of Laurentia. Journal of Paleontology, 82, 657-675.
Westrop, S.R., Eoff, J.D., Ng, T.-W., Dengler, A.A. & Adrain, J.M. (2008) Classification of the Late Cambrian (Steptoean) trilobite genera Cheilocephalus Berkey, 1898 and Oligometopus Resser, 1936 from Laurentia. Canadian Journal of Earth Sciences, 45, 725-744.
Adrain, J.M. (2008) A global species database of Trilobita: progress, results, and revision of the Treatise. In: Rábano, I., Gozalo, R. & Garcia-Bellido, D. (Eds.), Advances in trilobite research. Cuadernos del Museo Geominero, 9, 27-28.
McAdams, N.E.B. & Adrain, J.M. (2008) A new genus of dimeropygid trilobites from the Lower Ordovician (Ibexian) of western Utah, USA. In: Rábano, I. & Garcia-Bellido, D. (Eds.), A new genus of dimeropygid trilobites from the Lower Ordovician (Ibexian) of western Utah, USA. Cuadernos del Museo Geominero, 9, 251-252.
Adrain, J.M. & Westrop, S.R. (2007) Bearriverops, a new Lower Ordovician trilobite genus from the Great Basin, western USA, and classification of the family Dimeropygidae. Canadian Journal of Earth Sciences, 44, 337-366.
Adrain, J.M. & Westrop, S.R. (2007) The hystricurid trilobite Metabowmania in the Lower Ordovician (Ibexian; Stairsian) of the Great Basin, Utah and Idaho, USA. Memoirs of the Association of Australasian Palaeontologists, 34, 227-242.
Westrop, S.R. & Adrain, J.M. (2007) Bartonaspis new genus, a trilobite species complex from the base of the Upper Cambrian Sunwaptan Stage in North America. Canadian Journal of Earth Sciences, 44, 987-1003.
Westrop, S.R., Waskiewicz, R.A. & Adrain, J.M. (2007) The Late Cambrian (Steptoean) trilobite genus Bynumina Resser, 1942, in North America. Memoirs of the Association of Australasian Palaeontologists, 34, 357-376.
Adrain, J.M. & Tetreault, D.K. (2006) The brachymetopid trilobite Radnoria in the Silurian (Wenlock) of New York State and Arctic Canada. Canadian Journal of Earth Sciences, 42, 2087-2096. (for 2005)
Adrain, J.M. & Westrop, S.R. (2006) New genus of dimeropygid trilobites from the earliest Ordovician of Laurentia. Acta Palaeontologica Polonica, 51, 541-550.
Adrain, J.M. & Westrop, S.R. (2006) Notchpeakia, a new genus of Upper Cambrian (Sunwaptan) "entomaspidid" trilobites. Journal of Paleontology, 80, 1152-1171.
Adrain, J.M. & Westrop, S.R. (2006) New earliest Ordovician trilobite genus Millardicurus: The oldest known hystricurid. Journal of Paleontology, 80, 650-671.
Adrain, J.M. (2005) Aulacopleurid trilobites from the Upper Ordovician of Virginia. Journal of Paleontology, 79, 542-563.
Adrain, J.M. & Westrop, S.R. (2005) Lower Ordovician trilobites from the Baumann Fiord Formation, Ellesmere Island, Arctic Canada. Canadian Journal of Earth Sciences, 42, 1523-1546.
Adrain, J.M. & Westrop, S.R. (2005) Late Cambrian ptychaspidid trilobites from western Utah: implications for trilobite systematics and biostratigraphy. Geological Magazine, 142, 377-398.
Adrain, J.M. & Westrop, S.R. (2004) A Late Cambrian (Sunwaptan) silicified trilobite fauna from Nevada. Bulletins of American Paleontology, 365, 1-51.
Adrain, J.M., Edgecombe, G.D., Fortey, R.A., Laurie, J., McCormick, T., Owen, A.W., Waisfeld, B.G., Webby, B.D., Westrop, S.R. & Zhou, Z.-Y. (2004) Trilobites. In: Webby, B.D., Droser, M.L. & Paris, F. (Eds.), The Great Ordovician Biodiversification Event. Columbia University Press, New York, pp. 231-254.
Adrain, J.M., Lee, D.-C., Westrop, S.R., Chatterton, B.D.E. & Landing, E. (2003) Classification of the trilobite subfamilies Hystricurinae and Hintzecurinae subfam. nov., with new genera from the Lower Ordovician (Ibexian) of Idaho and Utah. Memoirs of the Queensland Museum, 48, 553-586.
Jell, P.A. & Adrain, J.M. (2003) Available generic names for trilobites. Memoirs of the Queensland Museum, 48, 331-553.
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Adrain, J.M. & Westrop, S.R. (2003) Paleobiodiversity: We need new data. Paleobiology, 29, 22-25.
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Adrain, J.M. (2003) Validity and composition of the Silurian trilobite genera Borealarges and Dicranogmus, with new species from the Canadian Arctic. Canadian Journal of Earth Sciences, 40, 749-763.
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Adrain, J.M., Westrop, S.R., Landing, E. & Fortey, R.A. (2001) Systematics of the Ordovician trilobites Ischyrotoma and Dimeropygiella, with species from the type Ibexian area, western U.S.A. Journal of Paleontology, 75, 947-971.
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Adrain, J.M. & Westrop, S.R. (2001) Stratigraphy, phylogeny, and species sampling in time and space. In: Adrain, J.M., Edgecombe, G.D. & Lieberman, B.S. (Eds.), Fossils, Phylogeny, and Form: An Analytical Approach. Kluwer, New York, pp. 291-322.
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Adrain, J.M. (2001) Systematic paleontology. Journal of Paleontology, 75, 1055-1057.
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Brochu, C.A., Bryant, H.N., Theodor, J.M., O'Leary, M.A., Adrain, J.M. & Sumrall, C.D. (2001) Modern phylogenetics in paleontology: comments on Vermeij, 1999. Paleobiology, 27, 174-176.
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Adrain, J.M. & Westrop, S.R. (2000) An empirical assessment of taxic paleobiology. Science, 289, 110-112.
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Adrain, J.M., Westrop, S.R., Chatterton, B.D.E. & Ramsköld, L. (2000) Silurian trilobite alpha diversity and the end-Ordovician mass extinction. Paleobiology, 26, 625-646.
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Adrain, J.M. & Westrop, S.R. (1999) Trilobite paleobiology: Past, present, and future. Journal of Paleontology, 73, 161-163.
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Hughes, N.C., Chapman, R.E. & Adrain, J.M. (1999) The stability of thoracic segmentation in trilobites: a case study in developmental and ecological constraints. Evolution and Development, 1, 24-35.
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Adrain, J.M., Fortey, R.A. & Westrop, S.R. (1998) Post-Cambrian trilobite diversity and evolutionary faunas. Science, 280, 1922-1925.
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Westrop, S.R. & Adrain, J.M. (1998) Trilobite diversity and the Ordovician Radiation: a reply to Miller et al. Paleobiology, 24, 529-533.
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Westrop, S.R. & Adrain, J.M. (1998) Trilobite alpha diversity and the reorganization of Ordovician benthic marine communities. Paleobiology, 24, 1-16.
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Davidek, K., Landing, E., Bowring, S.A., Westrop, S.R., Rushton, A.W.A., Fortey, R.A. & Adrain, J.M. (1998) New uppermost Cambrian U-Pb date from Avalonian Wales and age of the Cambrian-Ordovician boundary. Geological Magazine, 135, 305-309.
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Adrain, J.M. (1997) Proetid trilobites from the Silurian (Wenlock-Ludlow) of the Cape Phillips Formation, Canadian Arctic Archipelago. Palaeontographia Italica, 84, 21-111.
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Adrain, J.M. & Fortey, R.A. (1997) Ordovician trilobites from the Tourmakeady Limestone, western Ireland. Bulletin of the Natural History Museum, London, Geology Series, 53, 79-115.
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Adrain, J.M. & Ramsköld, L. (1997) Silurian Odontopleurinae (Trilobita) from the Cape Phillips Formation, Arctic Canada. Journal of Paleontology, 71, 237-261.
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Adrain, J.M. & Edgecombe, G.D. (1997) Silurian (Wenlock) calymenid trilobites from the Cape Phillips Formation, central Canadian Arctic. Journal of Paleontology, 71, 657-682.
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Adrain, J.M. & Edgecombe, G.D. (1997) Silurian encrinurine trilobites from the central Canadian Arctic. Palaeontographica Canadiana, 14, 1-109.
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Adrain, J.M. & Kloc, G.J. (1997) Lower Devonian aulacopleuroidean trilobites from Oklahoma. Journal of Paleontology, 71, 703-712.
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Adrain, J.M. (1996) A new otarionine trilobite from the Henryhouse Formation (Silurian, Ludlow) of Oklahoma. Journal of Paleontology, 70, 611-614.
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Adrain, J.M. & Ramsköld, L. (1996) The lichid trilobite Radiolichas in the Silurian of Arctic Canada and Gotland, Sweden. Geological Magazine, 133, 147-158.
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Adrain, J.M. & MacDonald, E.W. (1996) Phacopid trilobites from the Silurian of Arctic Canada. Journal of Paleontology, 70, 1091-1094.
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Adrain, J.M. & Chatterton, B.D.E. (1996) The otarionine trilobite Cyphaspis, with new species from the Silurian of northwestern Canada. Journal of Paleontology, 70, 100-110.
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Adrain, J.M. & Edgecombe, G.D. (1996) Devonian aulacopleurid trilobites of the Malvinokaffric Realm. Geobios, 29, 417-436.
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Adrain, J.M., Chatterton, B.D.E. & Blodgett, R.B. (1995) Silurian trilobites from southwestern Alaska. Journal of Paleontology, 69, 723-736.
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Adrain, J.M. & Edgecombe, G.D. (1995) Balizoma and the new genera Aegrotocatellus and Perirehaedulus: encrinurid trilobites from the Douro Formation (Silurian, Ludlow) of the central Canadian Arctic. Journal of Paleontology, 69, 736-752.
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Adrain, J.M. & Chatterton, B.D.E. (1995) The otarionine trilobites Harpidella and Maurotarion, with species from northwestern Canada, the United States, and Australia. Journal of Paleontology, 69, 307-326.
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Adrain, J.M. & Chatterton, B.D.E. (1995) Aulacopleurine trilobites from the Llandovery of northwestern Canada. Journal of Paleontology, 69, 326-340.
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Edgecombe, G.D. & Adrain, J.M. (1995) Silurian calymenid trilobites from the United States. Palaeontographica Abteilung A, 235, 1-19.
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Adrain, J.M. (1994) The lichid trilobite Borealarges n. gen., with species from the Silurian of Arctic Canada. Journal of Paleontology, 68, 1081-1099.
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Adrain, J.M. & Chatterton, B.D.E. (1994) The aulacopleurid trilobite Otarion, with new species from the Silurian of northwestern Canada. Journal of Paleontology, 68, 305-323.
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Adrain, J.M. & Wilson, M.V.H. (1994) Early Devonian cephalaspids (Vertebrata: Osteostraci: Cornuata) from the southern Mackenzie Mountains, N.W.T., Canada. Journal of Vertebrate Paleontology, 14, 301-319.
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Ramsköld, L., Adrain, J.M., Edgecombe, G.D. & Siveter, D.J. (1994) Silurian calymenid trilobite Alcymene n. gen., with new species from the Ludlow of Gotland, Sweden. Journal of Paleontology, 68, 556-569.
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Adrain, J.M. & Chatterton, B.D.E. (1993) A new rorringtoniid trilobite from the Ludlow of Arctic Canada. Canadian Journal of Earth Sciences, 30, 1634-1643.
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Adrain, J.M. (1992) Machaeridian classification. Alcheringa, 16, 15-32.
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Adrain, J.M., Chatterton, B.D.E. & Cocks, L.R.M. (1991) A new species of machaeridian from the Silurian of Podolia, USSR, with a review of the Turrilepadidae. Palaeontology, 34, 637-651.
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Adrain, J.M. & Chatterton, B.D.E. (1990) Odontopleura (Trilobita, Silurian), and a method of constrained congruency analysis. Journal of Paleontology, 64, 600-614.
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