| Synchroneity of climatic change and extinctions in the Late Triassic MJ Simms, AH Ruffell Geology 17 (3), 265-268, 1989 | 367 | 1989 |
| Climatic and biotic change in the late Triassic MJ Simms, AH Ruffell Journal of the Geological Society 147 (2), 321-327, 1990 | 255 | 1990 |
| The origin of articulate crinoids MJ Simms, GD Sevastopulo Palaeontology 36, 91-91, 1993 | 165 | 1993 |
| The global stratotype sections and point (GSSP) for the base of the Jurassic System at Kuhjoch (Karwendel Mountains, Northern Calcareous Alps, Tyrol, Austria) A Hillebrandt, L Krystyn, WM Kürschner, NR Bonis, M Ruhl, S Richoz, ... Episodes 36 (3), 162-198, 2013 | 163 | 2013 |
| Fossil crinoids H Hess, WI Ausich, CE Brett, MJ Simms Cambridge University Press, 2002 | 142 | 2002 |
| The Carnian Humid Episode of the late Triassic: a review A Ruffell, MJ Simms, PB Wignall Geological Magazine 153 (2), 271-284, 2016 | 132 | 2016 |
| Pseudoplankton PB Wignall, MJ Simms Palaeontology 33 (2), 359-378, 1990 | 121 | 1990 |
| Uniquely extensive seismite from the latest Triassic of the United Kingdom: Evidence for bolide impact? MJ Simms Geology 31 (6), 557-560, 2003 | 117 | 2003 |
| Biotic and climatic changes in the Carnian (Triassic) of Europe and adjacent areas MJ Simms, AH Ruffell, ALA Johnson In the Shadow of the Dinosaurs: Early Mesozoic Tetrapods, 352-365, 1995 | 104 | 1995 |
| Uniquely extensive soft-sediment deformation in the Rhaetian of the UK: Evidence for earthquake or impact? MJ Simms Palaeogeography, Palaeoclimatology, Palaeoecology 244 (1-4), 407-423, 2007 | 95 | 2007 |
| Crinoid form and function WI Ausich, CE Brett, H Hess, MJ Simms Fossil crinoids, 3-30, 1999 | 74 | 1999 |
| Contrasting lifestyles in Lower Jurassic crinoids: a comparison of benthic and pseudopelagic Isocrinida MJ Simms Palaeontology 29 (3), 475-493, 1986 | 74 | 1986 |
| Emplacement and preservation of vertebrates in caves and fissures MJ Simms Zoological Journal of the Linnean Society 112 (1‐2), 261-283, 1994 | 73 | 1994 |
| Tortoises and hares: Dissolution, erosion and isostasy in landscape evolution MJ Simms Earth Surface Processes and Landforms 29 (4), 477-494, 2004 | 63 | 2004 |
| Testing the marine and continental fossil records MJ Benton, MJ Simms Geology 23 (7), 601-604, 1995 | 57 | 1995 |
| Echinodermata MJ Simms, AS Gale, P Gilliland, EPF Rose, GD Sevastopulo, MJ Benton The fossil record 2, 491-528, 1993 | 54 | 1993 |
| The timing and cause of Late Triassic marine invertebrate extinctions: evidence from scallops and crinoids ALA Johnson, MJ Simms Mass Extinctions: Processes and Evidence. Columbia Univ. Press, New York …, 1989 | 50 | 1989 |
| Reinterpretation of thecal plate homology and phylogeny in the class Crinoidea MJ SIMMS Lethaia 26 (4), 303-312, 1993 | 49 | 1993 |
| Systematics, phylogeny and evolutionary history MJ Simms Fossil crinoids, 31-40, 1999 | 48 | 1999 |
| Paleobiology of the oldest known articulate crinoid JK SCHUBERT, DJ BOTTJER, MJ SIMMS Lethaia 25 (1), 97-110, 1992 | 46 | 1992 |
