Year |
Citation |
Score |
2020 |
Armstrong M, Westrop SR, Eoff JD. Systematics of a survivor: the Cambrian kingstoniid trilobite Blountia Walcott, 1916 across the Marjuman-Steptoean (Guzhangian-Paibian) extinction interval in Laurentian North America. Zootaxa. 4804: zootaxa.4804.1.1. PMID 33055999 DOI: 10.11646/Zootaxa.4804.1.1 |
0.827 |
|
2019 |
Landing E, Hersi OS, Amati L, Westrop SR, Franzi DA. Early Paleozoic rifting and reactivation of a passive-margin rift: Insights from detrital zircon provenance signatures of the Potsdam Group, Ottawa graben: Comment Gsa Bulletin. 131: 695-698. DOI: 10.1130/B35104.1 |
0.589 |
|
2018 |
Westrop SR, Landing E, Dengler AA. Pseudocryptic species of the Middle Cambrian trilobite Eodiscus Hartt, in Walcott, 1884, from Avalonian and Laurentian Newfoundland Canadian Journal of Earth Sciences. 55: 997-1019. DOI: 10.1139/Cjes-2018-0027 |
0.794 |
|
2017 |
Westrop SR, Dengler AA. The mid-Cambrian (Series 3, Drumian–Guzhangian; Marjuman) trilobite Holmdalia Robison, 1988, in western Newfoundland and its biostratigraphic significance Canadian Journal of Earth Sciences. 54: 113-128. DOI: 10.1139/Cjes-2016-0155 |
0.815 |
|
2016 |
WESTROP SR, LANDING E. The agnostoid arthropod Lotagnostus Whitehouse, 1936 (late Cambrian; Furongian) from Avalonian Cape Breton Island (Nova Scotia, Canada) and its significance for international correlation Geological Magazine. 154: 1001-1021. DOI: 10.1017/S0016756816000571 |
0.489 |
|
2016 |
Swisher RE, Westrop SR, Amati L. Systematics and paleobiogeographic significance of the Upper Ordovician pterygometopine trilobite Achatella Delo, 1935 Journal of Paleontology. 90: 59-77. DOI: 10.1017/Jpa.2015.71 |
0.716 |
|
2016 |
Adrain JM, Westrop SR. Testing for taphonomic bias in deep time using trilobite sclerite ratios Palaeogeography, Palaeoclimatology, Palaeoecology. 463: 205-215. DOI: 10.1016/J.Palaeo.2016.10.016 |
0.454 |
|
2015 |
Saltzman MR, Edwards CT, Adrain JM, Westrop SR. Persistent oceanic anoxia and elevated extinction rates separate the Cambrian and Ordovician radiations Geology. 43: 807-811. DOI: 10.1130/G36814.1 |
0.388 |
|
2015 |
Carlucci JR, Westrop SR. Trilobite biofacies and sequence stratigraphy: An example from the Upper Ordovician of Oklahoma Lethaia. 48: 309-325. DOI: 10.1111/Let.12107 |
0.787 |
|
2015 |
LANDING E, WESTROP SR. Late Cambrian (middle Furongian) shallow-marine dysoxic mudstone with calcrete and brachiopod–olenid–Lotagnostusfaunas in Avalonian Cape Breton Island, Nova Scotia Geological Magazine. 152: 973-992. DOI: 10.1017/S001675681400079X |
0.379 |
|
2015 |
Swisher RE, Westrop SR, Amati L. The Upper Ordovician trilobite Raymondites Sinclair, 1944 in North America Journal of Paleontology. 89: 110-134. DOI: 10.1017/Jpa.2014.10 |
0.613 |
|
2014 |
Moss DK, Westrop SR. Systematics of some Late Ordovician encrinurine trilobites from Laurentian North America Journal of Paleontology. 88: 1095-1119. DOI: 10.1666/13-159 |
0.769 |
|
2014 |
Westrop SR, Dengler AA. The mid-cambrian (series 3, Guzhangian; Marjuman) trilobite deiracephalus resser, 1935, from western newfoundland Canadian Journal of Earth Sciences. 51: 682-700. DOI: 10.1139/Cjes-2014-0012 |
0.812 |
|
2014 |
Carlucci JR, Westrop SR, Brett CE, Burkhalter R. Facies architecture and sequence stratigraphy of the Ordovician Bromide Formation (Oklahoma): a new perspective on a mixed carbonate-siliciclastic ramp Facies. 60: 987-1012. DOI: 10.1007/S10347-014-0412-6 |
0.78 |
|
2013 |
Westrop SR, Adrain JM. Biogeographic shifts in a transgressive succession: the Cambrian (Furongian, Jiangshanian; Latest Steptoean–earliest Sunwaptan) agnostoid arthropodsKormagnostellaRomanenko andBiciragnostusErgaliev in North America Journal of Paleontology. 87: 804-817. DOI: 10.1666/12-111 |
0.515 |
|
2013 |
Westrop SR. The Late Cambrian (Furongian) trilobite Tangshanaspis Zhou and Zhang, 1978, in North America Canadian Journal of Earth Sciences. 50: 797-807. DOI: 10.1139/Cjes-2012-0189 |
0.45 |
|
2013 |
LANDING E, WESTROP SR, BOWRING SA. Reconstructing the Avalonia palaeocontinent in the Cambrian: A 519 Ma caliche in South Wales and transcontinental middle Terreneuvian sandstones Geological Magazine. 150: 1022-1046. DOI: 10.1017/S0016756813000228 |
0.36 |
|
2012 |
Carlucci JR, Westrop SR. Trilobite biofacies along an ordovician (sandbian) carbonate buildup to basin gradient, Southwestern Virginia Palaios. 27: 19-34. DOI: 10.2110/Palo.2011.P11-069R |
0.793 |
|
2012 |
Westrop SR, Eoff JD. Late cambrian (Furongian; Paibian, Steptoean) agnostoid arthropods from the cow head group, Western Newfoundland Journal of Paleontology. 86: 201-237. DOI: 10.1666/11-034.1 |
0.827 |
|
2012 |
Carlucci JR, Westrop SR, Amati L, Adrain JM, Swisher RE. 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. DOI: 10.1080/14772019.2011.637518 |
0.826 |
|
2011 |
LANDING E, ADRAIN JM, WESTROP SR, KRÖGER B. Tribes Hill–Rochdale formations in east Laurentia: proxies for Early Ordovician (Tremadocian) eustasy on a tropical passive margin (New York and west Vermont) Geological Magazine. 149: 93-123. DOI: 10.1017/S0016756811000598 |
0.476 |
|
2011 |
Landing E, Westrop SR, Kröger B, English AM. Left behind - Delayed extinction and a relict trilobite fauna in the Cambrian-Ordovician boundary succession (east Laurentian platform, New York) Geological Magazine. 148: 529-557. DOI: 10.1017/S0016756810000919 |
0.544 |
|
2010 |
Carlucci JR, Westrop SR, Amati L. Tetralichine trilobites from the upper ordovician of Oklahoma and Virginia and phylogenetic systematics of the Tetralichini Journal of Paleontology. 84: 1099-1120. DOI: 10.1666/10-012.1 |
0.821 |
|
2010 |
Westrop SR, Poole RAW, Adrain JM. 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. DOI: 10.1080/14772019.2010.489364 |
0.544 |
|
2009 |
ADRAIN JM, PETERS SE, WESTROP SR. The Marjuman trilobite Cedarina Lochman: thoracic morphology, systematics, and new species from western Utah and eastern Nevada, USA Zootaxa. 2218: 35-58. DOI: 10.11646/Zootaxa.2218.1.2 |
0.558 |
|
2009 |
Westrop SR, Adrain JM. The Late Cambrian (Steptoean; Furongian) trilobite Pseudokingstonia Palmer, 1965 in North America Canadian Journal of Earth Sciences. 46: 355-360. DOI: 10.1139/E09-027 |
0.385 |
|
2008 |
Westrop SR, Eoff JD, Ng TW, Dengler AA, Adrain JM. 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. DOI: 10.1139/E08-026 |
0.75 |
|
2007 |
Westrop SR, Adrain JM. 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. DOI: 10.1139/E07-009 |
0.531 |
|
2007 |
Adrain JM, Westrop SR. 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. DOI: 10.1139/E06-103 |
0.417 |
|
2007 |
LANDING E, WESTROP SR, KEPPIE JD. Terminal Cambrian and lowest Ordovician succession of Mexican West Gondwana: biotas and sequence stratigraphy of the Tiñu Formation Geological Magazine. 144: 909-936. DOI: 10.1017/S0016756807003585 |
0.515 |
|
2006 |
Amati L, Westrop SR. Sedimentary facies and trilobite biofacies along an Ordovician shelf to basin gradient, Viola Group, south-central Oklahoma Palaios. 21: 516-529. DOI: 10.2110/Palo.2006.P06-069 |
0.711 |
|
2006 |
LANDING E, WESTROP SR. LOWER ORDOVICIAN FAUNAS, STRATIGRAPHY, AND SEA-LEVEL HISTORY OF THE MIDDLE BEEKMANTOWN GROUP, NORTHEASTERN NEW YORK Journal of Paleontology. 80: 958-980. DOI: 10.1666/0022-3360(2006)80[958:Lofsas]2.0.Co;2 |
0.462 |
|
2006 |
ADRAIN JM, WESTROP SR. NEW EARLIEST ORDOVICIAN TRILOBITE GENUS MILLARDICURUS: THE OLDEST KNOWN HYSTRICURID Journal of Paleontology. 80: 650-671. DOI: 10.1666/0022-3360(2006)80[650:Neotgm]2.0.Co;2 |
0.529 |
|
2006 |
ADRAIN JM, WESTROP SR. NOTCHPEAKIA, A NEW GENUS OF UPPER CAMBRIAN (SUNWAPTAN) “ENTOMASPIDID” TRILOBITES Journal of Paleontology. 80: 1152-1171. DOI: 10.1666/0022-3360(2006)80[1152:Nangou]2.0.Co;2 |
0.403 |
|
2005 |
WESTROP SR, PALMER AR, RUNKEL A. A NEW SUNWAPTAN (LATE CAMBRIAN) TRILOBITE FAUNA FROM THE UPPER MISSISSIPPI VALLEY Journal of Paleontology. 79: 72-88. DOI: 10.1666/0022-3360(2005)079<0072:Anslct>2.0.Co;2 |
0.553 |
|
2005 |
Adrain JM, Westrop SR. Lower Ordovician trilobites from the Baumann Fiord Formation, Ellesmere Island, Arctic Canada Canadian Journal of Earth Sciences. 42: 1523-1546. DOI: 10.1139/E05-054 |
0.594 |
|
2005 |
ADRAIN JM, WESTROP SR. Late Cambrian ptychaspidid trilobites from western Utah: implications for trilobite systematics and biostratigraphy Geological Magazine. 142: 377-398. DOI: 10.1017/S0016756805000543 |
0.597 |
|
2004 |
Amati L, Westrop SR. A systematic revision ofThaleops(Trilobita: Illaenidae) with new species from the middle and late Ordovician of Oklahoma and New York Journal of Systematic Palaeontology. 2: 207-256. DOI: 10.1017/S1477201904001439 |
0.562 |
|
2003 |
LANDING E, WESTROP SR, VAN ALLER HERNICK L. UPPERMOST CAMBRIAN–LOWER ORDOVICIAN FAUNAS AND LAURENTIAN PLATFORM SEQUENCE STRATIGRAPHY, EASTERN NEW YORK AND VERMONT Journal of Paleontology. 77: 78-98. DOI: 10.1666/0022-3360(2003)077<0078:Uclofa>2.0.Co;2 |
0.429 |
|
2003 |
Landing E, Westrop SR, Kim DH. First Middle Ordovician biota from southern New Brunswick: stratigraphic and tectonic implications for the evolution of the Avalon continent Canadian Journal of Earth Sciences. 40: 715-730. DOI: 10.1139/E03-009 |
0.469 |
|
2002 |
KARIM T, WESTROP SR. Taphonomy and Paleoecology of Ordovician Trilobite Clusters, Bromide Formation, South-central Oklahoma Palaios. 17: 394-402. DOI: 10.1669/0883-1351(2002)017<0394:Tapoot>2.0.Co;2 |
0.411 |
|
2002 |
KIM DH, WESTROP SR, LANDING E. MIDDLE CAMBRIAN (ACADIAN SERIES) CONOCORYPHID AND PARADOXIDID TRILOBITES FROM THE UPPER CHAMBERLAIN'S BROOK FORMATION, NEWFOUNDLAND AND NEW BRUNSWICK Journal of Paleontology. 76: 822. DOI: 10.1666/0022-3360(2002)076<0822:Mcasca>2.0.Co;2 |
0.54 |
|
2001 |
ADRAIN JM, WESTROP SR, LANDING E, FORTEY RA. SYSTEMATICS OF THE ORDOVICIAN TRILOBITESISCHYROTOMAANDDIMEROPYGIELLA, WITH SPECIES FROM THE TYPE IBEXIAN AREA, WESTERN U.S.A Journal of Paleontology. 75: 947-971. DOI: 10.1666/0022-3360(2001)075<0947:Sototi>2.0.Co;2 |
0.559 |
|
2001 |
Westrop SR, Adrain JM. Sampling at the species level: Impact of spatial biases on diversity gradients Geology. 29: 903. DOI: 10.1130/0091-7613(2001)029<0903:Satsli>2.0.Co;2 |
0.441 |
|
2000 |
Adrain JM, Westrop SR, Chatterton BDE, Ramsköld L. Silurian trilobite alpha diversity and the end-Ordovician mass extinction Paleobiology. 26: 625-646. DOI: 10.1666/0094-8373(2000)026<0625:Stadat>2.0.Co;2 |
0.456 |
|
2000 |
WESTROP SR, LUDVIGSEN R. THE LATE CAMBRIAN (MARJUMAN) TRILOBITE GENUSHYSTEROPLEURARAYMOND FROM THE COW HEAD GROUP, WESTERN NEWFOUNDLAND Journal of Paleontology. 74: 1020-1030. DOI: 10.1666/0022-3360(2000)074<1020:Tlcmtg>2.0.Co;2 |
0.439 |
|
2000 |
WESTROP SR, LANDING E. LOWER CAMBRIAN (BRANCHIAN) TRILOBITES AND BIOSTRATIGRAPHY OF THE HANFORD BROOK FORMATION, SOUTHERN NEW BRUNSWICK Journal of Paleontology. 74: 858-878. DOI: 10.1666/0022-3360(2000)074<0858:Lcbtab>2.0.Co;2 |
0.565 |
|
1999 |
Westrop SR, Rudkin DM. Trilobite Taphonomy of a Silurian Reef: Attawapiskat Formation, Northern Ontario Palaios. 14: 389. DOI: 10.2307/3515464 |
0.414 |
|
1999 |
McFarland S, Westrop SR, Cheel RJ. Allogenic versus Autogenic Processes in the Genesis of Middle Ordovician Brachiopod-Rich Shell Beds, Verulam Formation, Ontario Palaios. 14: 282. DOI: 10.2307/3515440 |
0.382 |
|
1999 |
Westrop SR, Cuggy MB. Comparative paleoecology of Cambrian trilobite extinctions Journal of Paleontology. 73: 337-354. DOI: 10.1017/S0022336000027815 |
0.784 |
|
1999 |
Adrain JM, Westrop SR. Trilobite paleobiology: Past, present, and future Journal of Paleontology. 73: 161-163. DOI: 10.1017/S0022336000027682 |
0.376 |
|
1998 |
Adrain JM, Fortey RA, Westrop SR. Post-cambrian trilobite diversity and evolutionary faunas Science (New York, N.Y.). 280: 1922-5. PMID 9632387 DOI: 10.1126/Science.280.5371.1922 |
0.419 |
|
1998 |
Westrop SR, Adrain JM. Trilobite alpha diversity and the reorganization of Ordovician benthic marine communities Paleobiology. 24: 1-16. DOI: 10.1017/S009483730001993X |
0.426 |
|
1998 |
DAVIDEK K, LANDING E, BOWRING SA, WESTROP SR, RUSHTON AWA, FORTEY RA, ADRAIN JM. New uppermost Cambrian U–Pb date from Avalonian Wales
and age of the Cambrian–Ordovician boundary Geological Magazine. 135: 303-309. DOI: 10.1017/S0016756898008711 |
0.315 |
|
1996 |
Landing E, Westrop SR. Upper Lower Cambrian depositional sequence in Avalonian New Brunswick Canadian Journal of Earth Sciences. 33: 404-417. DOI: 10.1139/E96-030 |
0.432 |
|
1996 |
Brett KD, Westrop SR. Trilobites of the Lower Ordovician (Ibexian) Fort Cassin Formation, Champlain Valley region, New York State and Vermont Journal of Paleontology. 70: 408-427. DOI: 10.1017/S0022336000038348 |
0.496 |
|
1996 |
Westrop SR, Ludvigsen R, Kindle CH. Marjuman (Cambrian) agnostoid trilobites of the Cow Head Group, western Newfoundland Journal of Paleontology. 70: 804-829. DOI: 10.1017/S0022336000023854 |
0.788 |
|
1996 |
Landing E, Westrop SR, Knox LA. Conodonts, stratigraphy, and relative sea-level changes of the Tribes Hill Formation (Lower Ordovician, east-central New York) Journal of Paleontology. 70: 656-680. DOI: 10.1017/S0022336000023623 |
0.559 |
|
1996 |
Westrop SR. Temporal persistence and stability of Cambrian biofacies: Sunwaptan (Upper Cambrian) trilobite faunas of North America Palaeogeography, Palaeoclimatology, Palaeoecology. 127: 33-46. DOI: 10.1016/S0031-0182(96)00087-9 |
0.503 |
|
1995 |
Westrop SR, Tremblay JV, Landing E. Declining Importance of Trilobites in Ordovician Nearshore Paleocommunities: Dilution or Displacement? Palaios. 10: 75. DOI: 10.2307/3515008 |
0.5 |
|
1994 |
Melzak A, Westrop SR. Mid-Cambrian (Marjuman) trilobites from the Pika Formation, southern Canadian Rocky Mountains, Alberta Canadian Journal of Earth Sciences. 31: 969-985. DOI: 10.1139/E94-086 |
0.574 |
|
1993 |
Westrop SR, Knox LA, Landing E. Lower Ordovician (Ibexian) trilobites from the Tribes Hill Formation, central Mohawk Valley, New York State Canadian Journal of Earth Sciences. 30: 1618-1633. DOI: 10.1139/E93-140 |
0.426 |
|
1992 |
Westrop SR, Tremblay JV, Landing E. Declining importance of trilobites in Ordovician nearshore communities: displacement or dilution? The Paleontological Society Special Publications. 6: 310-310. DOI: 10.1017/S2475262200008704 |
0.421 |
|
1992 |
Westrop SR. Upper Cambrian (Marjuman–Steptoean) trilobites from the Port Au Port Group, western Newfoundland Journal of Paleontology. 66: 228-255. DOI: 10.1017/S0022336000033758 |
0.548 |
|
1991 |
Westrop SR. Intercontinental variation in mass extinction patterns: influence of biogeographic structure Paleobiology. 17: 363-368. DOI: 10.1017/S0094837300010708 |
0.423 |
|
1991 |
Tremblay JV, Westrop SR. Middle Ordovician (Whiterockian) trilobites from the Sunblood Formation, District of Mackenzie, Canada Journal of Paleontology. 65: 801-824. DOI: 10.1017/S0022336000037793 |
0.416 |
|
1989 |
Westrop SR. Facies anatomy of an Upper Cambrian grand cycle: Bison Creek and Mistaya formations, southern Alberta Canadian Journal of Earth Sciences. 26: 2292-2304. DOI: 10.1139/E89-195 |
0.373 |
|
1989 |
Westrop SR. Macroevolutionary implications of mass extinction — evidence from an Upper Cambrian stage boundary Paleobiology. 15: 46-52. DOI: 10.1017/S0094837300009179 |
0.476 |
|
1988 |
Westrop SR. Trilobite diversity patterns in an Upper Cambrian stage Paleobiology. 14: 401-409. DOI: 10.1017/S0094837300012136 |
0.48 |
|
1987 |
Westrop SR, Ludvigsen R. Biogeographic control of trilobite mass extinction at an Upper Cambrian “biomere” boundary Paleobiology. 13: 84-99. DOI: 10.1017/S0094837300008605 |
0.787 |
|
1986 |
Ludvigsen R, Westrop SR. Classification of the Late Cambrian trilobite Idiomesus Raymond Canadian Journal of Earth Sciences. 23: 300-307. DOI: 10.1139/E86-033 |
0.824 |
|
1986 |
Westrop SR. New ptychaspidid trilobites from the Upper Cambrian Mistaya Formation of southern Alberta Canadian Journal of Earth Sciences. 23: 214-221. DOI: 10.1139/E86-024 |
0.555 |
|
1986 |
Westrop SR, Ludvigsen R. Type species of the basal Ibexian trilobite Corbinia Walcott, 1924 Journal of Paleontology. 60: 68-75. DOI: 10.1017/S0022336000021521 |
0.79 |
|
1985 |
Ludvigsen R, Westrop SR. Comments and Replies on “Three new Upper Cambrian stages for North America” Geology. 13: 667. DOI: 10.1130/0091-7613(1985)13<667:Carotn>2.0.Co;2 |
0.765 |
|
1985 |
Ludvigsen R, Westrop SR. Three new Upper Cambrian stages for North America Geology. 13: 139. DOI: 10.1130/0091-7613(1985)13<139:Tnucsf>2.0.Co;2 |
0.758 |
|
1983 |
Ludvigsen R, Westrop SR. Trilobite biofacies of the Cambrian-Ordovician boundary interval in northern North America Alcheringa: An Australasian Journal of Palaeontology. 7: 301-319. DOI: 10.1080/03115518308619614 |
0.763 |
|
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