| The late Ordovician mass extinction PM Sheehan Annual Review of Earth and Planetary Sciences 29 (1), 331-364, 2001 | 578 | 2001 |
| A weathering hypothesis for glaciation at high atmospheric pCO2 during the Late Ordovician LR Kump, MA Arthur, ME Patzkowsky, MT Gibbs, DS Pinkus, PM Sheehan Palaeogeography, Palaeoclimatology, Palaeoecology 152 (1-2), 173-187, 1999 | 406 | 1999 |
| Onshore-offshore patterns in the evolution of Phanerozoic shelf communities D Jablonski, JJ Sepkoski Jr, DJ Bottjer, PM Sheehan Science 222 (4628), 1123-1125, 1983 | 368 | 1983 |
| Diversification, faunal change, and community replacement during the Ordovician radiations JJ Sepkoski Jr, PM Sheehan Biotic interactions in recent and fossil benthic communities, 673-717, 1983 | 269 | 1983 |
| A new ecological-severity ranking of major Phanerozoic biodiversity crises GR McGhee Jr, ME Clapham, PM Sheehan, DJ Bottjer, ML Droser Palaeogeography, Palaeoclimatology, Palaeoecology 370, 260-270, 2013 | 252 | 2013 |
| Ecological ranking of Phanerozoic biodiversity crises: ecological and taxonomic severities are decoupled GR McGhee Jr, PM Sheehan, DJ Bottjer, ML Droser Palaeogeography, Palaeoclimatology, Palaeoecology 211 (3-4), 289-297, 2004 | 249 | 2004 |
| Decoupling of taxonomic and ecologic severity of Phanerozoic marine mass extinctions ML Droser, DJ Bottjer, PM Sheehan, GR McGhee Jr Geology 28 (8), 675-678, 2000 | 215 | 2000 |
| The relation of Late Ordovician glaciation to the Ordovician‐Silurian changeover in North American brachiopod faunas PM Sheehan Lethaia 6 (2), 147-154, 1973 | 183 | 1973 |
| Sudden extinction of the dinosaurs: latest Cretaceous, upper Great Plains, USA PM Sheehan, DE Fastovsky, RG Hoffmann, CB Berghaus, DL Gabriel Science 254 (5033), 835-839, 1991 | 175 | 1991 |
| Understanding the Great Ordovician Biodiversification Event (GOBE): Influences of paleogeography, paleoclimate, or paleoecology T Servais, DAT Harper, A Munnecke, AW Owen, PM Sheehan GSa Today 19 (4), 4-10, 2009 | 170 | 2009 |
| Detritus feeding as a buffer to extinction at the end of the Cretaceous PM Sheehan, TA Hansen Geology 14 (10), 868-870, 1986 | 169 | 1986 |
| Evaluating the ecological architecture of major events in the Phanerozoic history of marine invertebrate life ML Droser, DJ Bottjer, PM Sheehan Geology 25 (2), 167-170, 1997 | 165 | 1997 |
| Major extinctions of land-dwelling vertebrates at the Cretaceous-Tertiary boundary, eastern Montana PM Sheehan, DE Fastovsky Geology 20 (6), 556-560, 1992 | 152 | 1992 |
| Microbialite resurgence after the Late Ordovician extinction PM Sheehan, MT Harris Nature 430 (6995), 75-78, 2004 | 144 | 2004 |
| Reefs are not so different—they follow the evolutionary pattern of level-bottom communities PM Sheehan Geology 13 (1), 46-49, 1985 | 143 | 1985 |
| Taphonomy and suggested structure of the dinosaurian assemblage of the Hell Creek Formation (Maastrichtian), eastern Montana and western North Dakota PD White, DE Fastovsky, PM Sheehan Palaios 13 (1), 41-51, 1998 | 126 | 1998 |
| Brachiopods DAT Harper, LRM Cocks, LE Popov, PM Sheehan, MG Bassett, P Copper, ... The Great Ordovician Biodiversification Event, 157-178, 2004 | 123 | 2004 |
| The trace fossil Thalassinoides from the Upper Ordovician of the eastern Great Basin: deep burrowing in the early Paleozoic PM Sheehan, DRJ Schiefelbein Journal of Paleontology, 440-447, 1984 | 122 | 1984 |
| Upper Ordovician sequences of western Estonia MT Harris, PM Sheehan, L Ainsaar, L Hints, P Männik, J Nõlvak, M Rubel Palaeogeography, Palaeoclimatology, Palaeoecology 210 (2-4), 135-148, 2004 | 114 | 2004 |
| A reflection of labor by systematists? PM Sheehan Paleobiology 3 (3), 325-328, 1977 | 112 | 1977 |
