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41

Middle Ordovician (Whiterockian) gastropods from central Sonora, Mexico: affinities with Laurentia and the Precordillera

by Cuen-Romero, Francisco Javier, Rohr, David M., Noriega-Ruiz, Héctor Arturo, Monreal, Rogelio, Blodgett, Robert B., Beresi, Matilde S., Buitrón-Sánchez, Blanca E.
Published in Journal of Paleontology (2022)
“...Abstract The Lower–Middle Ordovician (Ibexian, Whiterockian) sedimentary rocks exposed at Rancho...”

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42

Micro-CT study of Middle Ordovician Spumellaria (radiolarians) from western Newfoundland, Canada

by Kachovich, Sarah, Aitchison, Jonathan C.
Published in Journal of Paleontology (2020)
“...Abstract A new, previously undescribed Middle Ordovician (middle Darriwilian: Dw2) radiolarian...”

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43

Brachiopod biostratigraphy of the middle Ordovician Cow Head and Table Head groups, western Newfoundland

by Ross Jr, Reuben J., James, Noel P.
Published in Canadian Journal of Earth Sciences (1987)

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44

Middle Ordovician (Whiterockian) gastropods from central Sonora, Mexico: affinities with Laurentia and the Precordillera

by Francisco Javier Cuen-Romero, David M. Rohr, Héctor Arturo Noriega-Ruiz, Rogelio Monreal, Robert B. Blodgett, Matilde S. Beresi, Blanca E. Buitrón-Sánchez
Published in Journal of Paleontology (2022)
“...The Lower–Middle Ordovician (Ibexian, Whiterockian) sedimentary rocks exposed at Rancho Las Norias...”

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45

Micro-CT study of Middle Ordovician Spumellaria (radiolarians) from western Newfoundland, Canada

by Sarah Kachovich, Jonathan C. Aitchison
Published in Journal of Paleontology (2020)
“...A new, previously undescribed Middle Ordovician (middle Darriwilian: Dw2) radiolarian assemblage...”

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46

The Noggin Cove Formation: a Middle Ordovician back-arc basin deposit in northeastern Newfoundland

by Johnston, D. H., Williams, H., Currie, K. L.
Published in Atlantic Geology (1994)
“... basalt and Mack shale. Stratigraphic relationships and regional correlations indicate a Middle Ordovician...”

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47

Reconstruction of a lower/middle ordovician carbonate shelfmargin: Cow Head Group, Western Newfoundland

by Pohler, Susanne M. L., James, Noël P.
Published in Facies (1989)

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48

Middle Ordovician (Darriwilian) cheirurid trilobites from the Table Cove Formation, western Newfoundland, Canada

by ADRAIN, JONATHAN M., PÉREZ-PERIS, FRANCESC
Published in Zootaxa (2021)
“... border and field. Most of the Early and Middle Ordovician taxa with three pygidial segments previously...”

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49

Sedimentology and depositional environment of the Middle Ordovician Black Cove and American Tickle Formations - western Newfoundland

by Petrowsky, Matthew J.
Published 2007
“...2013 Summer. Includes bibliographical references. The Middle Ordovician (Darriwilian) Black Cove...”

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50

Sedimentology and depositional environment of the Middle Ordovician Black Cove and American Tickle Formations - western Newfoundland

by Petrowsky, Matthew J.
Published 2007
“...2013 Summer. Includes bibliographical references. The Middle Ordovician (Darriwilian) Black Cove...”

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51

Middle Ordovician (Darriwilian) cheirurid trilobites from the Table Cove Formation, western Newfoundland, Canada

by Adrain, Jonathan M., Pérez-Peris, Francesc
Published in Zootaxa (2021)
“...Adrain, Jonathan M., Pérez-Peris, Francesc (2021): Middle Ordovician (Darriwilian) cheirurid...”

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52

Comparative Lower-Middle Ordovician conodont oxygen isotope palaeothermometry of the Argentine Precordillera and Laurentian margins

by Albanesi, Guillermo Luis, Barnes, Christopher R., Trotter, Julie A., Williams, Ian S., Bergström, Stig M.
Published in Palaeogeography, Palaeoclimatology, Palaeoecology
“... faulting toward high latitudes in the late Middle Ordovician, to reach its present position in the Devonian...”

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53

Depositional Environments and Conodont-Based Correlation of the Long Point Formation (Middle Ordovician), Western Newfoundland

by Fåhræus, Lars E.
Published in Canadian Journal of Earth Sciences (1973)

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54

Early-Middle Ordovician Seascapescale aggregation pattern of sponge-rich reefs across the Laurentia paleocontinent

by Kröger, Björn, Penny, Amelia
Published in PALAIOS (2021)
“... aggregation pattern at reef to seascape scale into account, and look for changes during the Early–Middle...”

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55

Comparative Lower-Middle Ordovician conodont oxygen isotope palaeothermometry of the Argentine Precordillera and Laurentian margins

by Albanesi, Guillermo L., Barnes, Christopher, Trotter, Julie, Williams, Ian, Bergstrom, Stig M.
Published in Palaeogeography, Palaeoclimatology, Palaeoecology
“... faulting toward high latitudes in the late Middle Ordovician, to reach its present position in the Devonian...”

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56

The trilobite fauna of the Middle Ordovician Doularg Formation of the Girvan district, Scotland, and its palaeoenvironmental significance

by Ingham, J. K., Tripp, R. P.
Published in Transactions of the Royal Society of Edinburgh: Earth Sciences (1991)

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57

Palliseria (Middle Ordovician Gastropoda) from east-central Alaska and its stratigraphic and biogeographic significance

by Rohr, David M., Blodgett, Robert B.
Published in Journal of Paleontology (1994)

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58

Paleomagnetism and Cyclostratigraphy of the Middle Ordovician Krivolutsky Suite, Krivaya Luka...

by Rodionov, V.P, Dekkers, M.J, Khramov, A.N, Gurevich, E.L, Krijgsman, W, Duermeijer, C.E, Heslop, D
Subjects: “...Middle Ordovician...”

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59

Upper Darriwilian (Middle Ordovician) Radiolarians and Ostracods from the Hulo Formation, Zhejiang Provicnce, South China

by Yi, Yuhao, Yuan, Aihua, Aitchison, Jonathan C., Feng, Qinglai
Published in Journal of Earth Science (2018)
“.... This radiolarian fauna is the first record of the Middle Ordovician radiolarian body fossils and also the earliest...”

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60

Lower and Middle Ordovician chitinozoans from Honghuayuan, South China: Biodiversity patterns and response to environmental changes

by Liang, Yan （梁艳）, Hints, Olle, Luan, Xiaocong （栾晓聪）, Tang, Peng （唐鹏）, Nalvak, Jaak, Zhan, Renbin （詹仁斌）
Published in Palaeogeography, Palaeoclimatology, Palaeoecology (2018)
“... and Middle Ordovician) at Honghuayuan, northern Guizhou Province in South China, was systematically studied...”

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