Results 181 to 190 of about 92,675 (274)
Some silicified Middle Ordovician brachiopods from Kentucky [PDF]
Robert B. Neuman
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Co-evolution of oceans, climate, and the biosphere during the ‘Ordovician Revolution’: A review
T. Algeo, P. Marenco, M. Saltzman
semanticscholar +1 more source
Putative Late Ordovician land plants.
M. Salamon+11 more
semanticscholar +1 more source
L. Buatois+3 more
semanticscholar +1 more source
Stratigraphic and facies relationships of the Carys Mills Formation of Ordovician and Silurian age, northeast Maine [PDF]
Louis Pavlides
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The age of the Ordovician-Silurian boundary and the End Ordovician Mass Extinction
openaire +3 more sources