Mark A. Kleffner

Revised correlation of Silurian Provincial Series of North America with global and regional chronostratigraphic units and δ ¹³ C _carb chemostratigraphy

Bradley D. Cramer, Carlton E. Brett, Michael J. Melchin et al. · Lethaia · 2010 · 229 citations

Natural Sciences, Earth Sciences, Geology +16

Testing the limits of Paleozoic chronostratigraphic correlation via high-resolution (<500 k.y.) integrated conodont, graptolite, and carbon isotope ( 13Ccarb) biochemostratigraphy across the Llandovery-Wenlock (Silurian) boundary: Is a unified Phanerozoic time scale achievable?

Bradley D. Cramer, David K. Loydell, C. Samtleben et al. · Geological Society of America Bulletin · 2010 · 83 citations

Natural Sciences, Earth Sciences, Geology +15

The Late Wenlock Mulde positive carbon isotope (δ¹³C_carb) excursion in North America

Bradley D. Cramer, Mark A. Kleffner, Matthew R. Saltzman · GFF · 2006 · 69 citations

Natural Sciences, Earth Sciences, Paleontology +16

Paleobiogeography, high-resolution stratigraphy, and the future of Paleozoic biostratigraphy: Fine-scale diachroneity of the Wenlock (Silurian) conodont Kockelella walliseri

Bradley D. Cramer, Mark A. Kleffner, Carlton E. Brett et al. · Palaeogeography Palaeoclimatology Palaeoecology · 2010 · 46 citations

Natural Sciences, Geology, Paleontology +16

Revision of the position of the Ordovician–Silurian boundary in southern Ontario: regional chronostratigraphic implications of δ¹³C chemostratigraphy of the Manitoulin Formation and associated strata

Stig M. Bergström, Mark A. Kleffner, Birger Schmitz et al. · Canadian Journal of Earth Sciences · 2011 · 44 citations

Natural Sciences, Earth Sciences, Geology +15