Keller, G. 1980. “Benthic Foraminifers and Paleobathymetry of the Japan Trench Area, Leg 57, Deep Sea Drilling Project”. In Initial Reports of the Deep Sea Drilling Project. U.S. Government Printing Office. doi:10.2973/dsdp.proc.5657.124.1980.

Keller, G. (2025) 1978. “Morphologic Variation of Neogloboquadrina Pachyderma (Ehrenberg) in Sediments of the Marginal and Central Northeast Pacific Ocean and Paleoclimatic Interpretation”. The Journal of Foraminiferal Research 8: 208–224. doi:10.2113/gsjfr.8.3.208.

Keller, G. (2025) 1978. “Late Neogene Planktonic Foraminiferal Biostratigraphy and Paleoceanography of the Northeastern Pacific: Evidence from (DSDP) Sites 173 and 310 at the North Pacific Front”. The Journal of Foraminiferal Research 8: 332–349. doi:10.2113/gsjfr.8.4.332.

McCloskey, T.A., and G. Keller. (2025) 2009. “5000 Year Sedimentary Record of Hurricane Strikes on the Central Coast of Belize”. Quaternary International 195: 53–68. doi:10.1016/j.quaint.2008.03.003.

Keller, G., T. Adatte, A. Pardo, S. Bajpai, A. Khosla, and B. Samant. (2010) 2010. “Cretaceous Extinctions: Evidence Overlooked”. Science 328: 974–975. doi:10.1126/science.328.5981.974-a.

Keller, G. (1981) 1981. “The Genus Globorotalia in the Early Miocene of the Equatorial and Northwestern Pacific”. The Journal of Foraminiferal Research 11: 118–132. doi:10.2113/gsjfr.11.2.118.

Keller, G., and R. Poore. 1980. “Globigerinoides Kennetti, a New Late Miocene to Earliest Pliocene Planktonic Foraminifer from the Atlantic and Pacific Oceans”. Micropaleontology 26: 189. doi:10.2307/1485438.

Lu, G., and G. Keller. (2025) 1995. “Ecological Stasis and Saltation: Species Richness Change in Planktic Foraminifera During the Late Paleocene to Early Eocene, (DSDP) Site 577”. Palaeogeography, Palaeoclimatology, Palaeoecology 117: 211–227. doi:10.1016/0031-0182(94)00125-r.

Lu, G., and G. Keller. (2025) 1995. “Planktic Foraminiferal Faunal Turnovers in the Subtropical Pacific During the Late Paleocene to Early Eocene”. The Journal of Foraminiferal Research 25: 97–116. doi:10.2113/gsjfr.25.2.97.

Abramovich, S., G. Keller, T. Adatte, W. Stinnesbeck, L. Hottinger, D. Stueben, Z. Berner, B. Ramanivosoa, and A. Randriamanantenasoa. (2025) 2003. “Age and Paleoenvironment of the Maastrichtian to Paleocene of the Mahajanga Basin, Madagascar: A Multidisciplinary Approach”. Marine Micropaleontology 47: 17–70. doi:10.1016/s0377-8398(02)00094-4.

Molina, E, G. Keller, and N Madile. 1989. “Late Eocene to Oligocene Events: Molino De Cobo, Betic Cordillera, Spain.”. Late Eocene to Oligocene Events: Molino De Cobo, Betic Cordillera, Spain. 20 (3). Referenced from wzar.unizar.es: Late Eocene to Oligocene Events: Molino de Cobo, Betic Cordillera, Spain.

Keller, G., and S. D’Hondt. (1988) 1988. “Late Eocene Crystal-Bearing Spherules: Two Layers or One? A Reply to the Critique by B. P. Glass and C. A. Burns”. Meteoritics 23: 167–169. doi:10.1111/j.1945-5100.1988.tb00912.x.

Keller, G., S. D’Hondt, and T. Vallier. (1984) 1984. “Multiple Microtektite Horizons in Upper Eocene Marine Sediments? -Reply”. Science 224: 309–310. doi:10.1126/science.224.4646.309-a.

Keller, G., and M. Lindinger. (2017) 1989. “Stable Isotope, TOC and CaCO3 Record across the Cretaceous Tertiary Boundary at El Kef, Tunisia”. Palaeogeography, Palaeoclimatology, Palaeoecology 73: 243–265. doi:10.1016/0031-0182(89)90007-2.

Keller, G., C.E. Zenker, and S.M. Stone. (1989) 1989. “Late Neogene History of the Pacific-Caribbean Gateway”. Journal of South American Earth Sciences 2: 73–108. doi:10.1016/0895-9811(89)90028-x.

Canudo, J.I., G. Keller, and E. Molina. (1991) 1991. “Cretaceous/Tertiary/Boundary/Extinction/Pattern/and/Faunal/Turnover/at/Agost/and/Caravaca,/S.E./Spain”. Marine Micropaleontology 17: 319–341. doi:10.1016/0377-8398(91)90019-3.

Stone, S.M., and G. Keller. 1985. “Planktonic Foraminiferal Biostratigraphy of the Middle America Trench Region, Deep Sea Drilling Project Leg 84”. In Initial Reports of the Deep Sea Drilling Project. U.S. Government Printing Office. doi:10.2973/dsdp.proc.84.110.1985.

Keller, G., S.L. D’Hondt, C.J. Orth, J.S. Gilmore, P.Q. Oliver, E.M. Shoemaker, and E. Molina. (1987) 1987. “Late Eocene Impact Microspherules: Stratigraphy, Age and Geochemistry”. Meteoritics 22: 25–60. doi:10.1111/j.1945-5100.1987.tb00883.x.

Keller, G., T. Herbert, R. Dorsey, S. D\textquotesingleHONDT, M. Johnsson, and W. Chi. 1987. “Global Distribution of Late Paleogene Hiatuses”. Geology 15: 199. doi:10.1130/0091-7613(1987)15<199:gdolph>2.0.co;2.

Keller, G., R. von Huene, K. McDougall, and T. Bruns. (2025) 1984. “Paleoclimatic Evidence for Cenozoic Migration of Alaskan Terranes”. Tectonics 3: 473–495. doi:10.1029/tc003i004p00473.

Keller, G., S.L. D’Hondt, and T. Vallier. (1983) 1983. “Multiple Microtektite Horizons in Upper Eocene Marine Sediments: No Evidence for Mass Extinctions”. Science 221: 150–152. doi:10.1126/science.221.4606.150.

Corliss, B., M.-P. Aubry, W. Berggren, J. Fenner, L. Keigwin, and G. Keller. (1984) 1984. “The Eocene Oligocene Boundary Event in the Deep Sea”. Science 226: 806–810. doi:10.1126/science.226.4676.806.

Adatte, T., G. Keller, B. Schoene, K. Samperton, E. Font, A. Sial, L. De Lacerada, J. Punekar, A. Fantasia, and S. Khadri. (2015) 2015. “Paleoenvironmental Influence of Deccan Volcanism Relative to the KT Extinction”. Geological Society of America Annual Meeting. Baltimore, Maryland: Geological Society of America.

D., Bermúdez, G. Keller, W. Stinnesbeck, J. García, M .Trieloff, J. Rodríguez, L. Bolívar, M. Mateo, and T. Adatte. (2015) 2015. “Discovery of a Pristine Chicxulub Impact Glass Spherule Deposit on Gorgonilla Island, Colombia, in the Eastern Pacific Ocean”. Geological Society of America Annual Meeting. Baltimore, Maryland: Geological Society of America. Referenced from gsa.confex.com: Discovery of a pristine Chicxulub impact glass spherule deposit on Gorgonilla Island, Colombia, in the Eastern Pacific Ocean.

Adatte, T., E. Font, Mbabi Bitchong, G. Keller, B. Schoene, K. Samperton, and S. Khadri. (2017) 2017. “Timing and Tempo of Deccan Volcanism: Evidence from Mercury Anomalies”. EGU General Assembly Conference Abstracts. Vienna, Austria: 19th EGU General Assembly. Referenced from adsabs.harvard.edu: Timing and tempo of Deccan volcanism: evidence from mercury anomalies.

Mateo, P., G. Keller, T. Adatte, A. Bitchong, J. Spangenberg, T. Vennemann, M. Heizler, et al. 2016. “Age, Biostratigraphy, Geochemistry, and Mineralogy of Chicxulub Impact Spherules on Gorgonilla Island, Colombia”. In . Denver, Colorado: Geological Society of America. doi:10.1130/abs/2016am-282848.

McDonald, C.S., M. Heizler, K. Hodges, G. Keller, and T. Adatte. 2016. “40 AR 39 AR Dating of Chicxulub Impact Spherules from Isla Gorgonilla, Columbia”. In Geological Society of America Annual Meeting. Denver, Colorado: Geological Society of America. doi:10.1130/abs/2016am-286177.

Adatte, T., E. Font, A. Mbabi-Bitchong, G. Keller, B. Schoene, K. Samperton, and S.F.R. Khadri. (2016) 2016. “Timing and Tempo of Deccan Volcanism Revealed by Mercury Anomalies”. In Geological Society of America Annual Meeting. Denver, Colorado: Geological Society of America. doi:10.1130/abs/2016am-285123.

Tandy, H., E. Shevliakova, and G. Keller. (2017) 2017. “Evaluating Carbon and Climate Sensitivities of the NOAA GFDL Earth System Model ESM2Mb to Forcing Perturbations During the Paleocene-Eocene Thermal Maximum”. In American Geophysical Union Fall Meeting. New Orleans, LA: American Geophysical Union. Referenced from agu.confex.com: Evaluating Carbon and Climate Sensitivities of the NOAA/GFDL Earth System Model ESM2Mb to Forcing Perturbations during the Paleocene-Eocene Thermal Maximum.

Font, E., S. Fabre, A. Nedelec, T. Adatte, G. Keller, C. Veiga-Pires, J. Ponte, J. Mirao, H. Khozyem, and J. Spangenberg. 2014. “Atmospheric Halogen and Acid Rains During the Main Phase of Deccan Eruptions: Magnetic and Mineral Evidence”. In Geological Society of America Special Papers, 353–368. Geological Society of America Special Papers. doi:10.1130/2014.2505(18).

Oberhänsli, H., G. Keller, T. Adatte, and A. Pardo. 1998. “Environmentally and Diagenetically Controlled Changes across the K T Transition at Koshak, Mangyshlak (Kazakstan)”. Geol. Soc. France. 169 (4).

Li, L., and G. Keller. 1998. “Diversification and Extinction in Campanian-Maastrichtian Planktic Foraminifera of Northwestern Tunisia”. Eclogae Geologicae Helvetiae 91 (1). Referenced from serials.unibo.it: Diversification and extinction in Campanian-Maastrichtian planktic foraminifera of northwestern Tunisia.

Stinnesbeck, Wolfgang, G. Keller, J. Cruz, C. León, N. MacLeod, and J. Whittaker. (1997) 1997. “The Cretaceous–Tertiary Transition in Guatemala: Limestone Breccia Deposits from the South Petèn Basin”. Geol Rundsch 86. Referenced from link.springer.com: The Cretaceous–Tertiary transition in Guatemala: limestone breccia deposits from the South Petèn basin.

Mateo, P., G. Keller, T. Adatte, and J.E. Spangenberg. (2018) 2016. “Mass Wasting and Hiatuses During the Cretaceous-Tertiary Transition in the North Atlantic: Relationship to the Chicxulub Impact?”. Palaeogeography, Palaeoclimatology, Palaeoecology 441: 96–115. doi:10.1016/j.palaeo.2015.01.019.

Punekar, J., G. Keller, A. Fantasia, P. Mateo, J. Spangenberg, and T. Adatte. (2015) 2015. “Fine-Tuning Late Maastrichtian Faunal Upheavals, Climatic Events and Major Volcanic Episodes”. Geological Society of America Annual Meeting. Baltimore, Maryland: Geological Society of America. Referenced from gsa.confex.com: Fine-tuning Late Maastrichtian Faunal upheavals, climatic events and major volcanic episodes.

Khozyem, H., T. Adatte, G. Keller, AAAM Tantawy, and J. Spangenberg. (2014) 2014. “The Paleocene-Eocene GSSP at Dababiya, Egypt – Revisited”. Episodes 37 (2). Referenced from www.researchgate.net: The Paleocene-Eocene GSSP at Dababiya, Egypt – Revisited.

Thierry, A., G. Keller, and W. Stinnesbeck. 2002. “Late Cretaceous to Early Paleocene Climate and Sea-Level Fluctuations: The Tunisian Record”. Palaeogeography, Palaeoclimatology, Palaeoecology 2754.

Adatte, T., G. Keller, S. Burns, K. Stoykova, M. Ivanov, D. Vangelov, Utz Kramar, and Doris Stüben. 2002. “Paleoenvironment across the Cretaceous-Tertiary Transition in Eastern Bulgaria”. In Catastrophic Events and Mass Extinctions: Impacts and Beyond: Boulder, Colorado. Boulder: Geological Society of America Special Paper 356.

Gertsch, B., G. Keller, T. Adatte, and D. Bartels. 2011. “Platinum Group Element (PGE) Geochemistry of Brazos Sections, Texas, U.S.A.”. In The End-Cretaceous Mass Extinction and the Chicxulub Impact in Texas, SEPM, Special Publication, No. 100:227-49. Tulsa: SEPM (Society for Sedimentary Geology).

Gertsch, B., G. Keller, T. Adatte, and D. Bartels. 2011. “Trace-Element Geochemistry of Brazos Sections, Texas, U.S.A.”. In The End-Cretaceous Mass Extinction and the Chicxulub Impact in Texas, SEPM, Special Publication, No. 100:251-79. Tulsa: SEPM (Society for Sedimentary Geology).

Adatte, T., G. Keller, and G. Baum. 2011. “Age and Origin of the Chicxulub Impact and Sandstone Complex, Brazos River, Texas: Evidence from Lithostratigraphy and Sedimentilogy”. In The End-Cretaceous Mass Extinction and the Chicxulub Impact in Texas, SEPM, Special Publication, No. 100:43-80. Tulsa: SEPM (Society for Sedimentary Geology).

Abramovich, S., G. Keller, Z. Berner, and M. Cymbalista. 2011. “Maastrichtian Planktic Foraminiferal Biostratigraphy and Paleoenvironment of Brazos River, Falls County, Texas, U.S.A.”. In The End-Cretaceous Mass Extinction and the Chicxulub Impact in Texas, SEPM Special Publication , No. 100:123-56.