| Faunal evidence for oceanic separations in the Palaeozoic of Britain LRM Cocks, RA Fortey Journal of the Geological Society 139 (4), 465-478, 1982 | 580 | 1982 |
| Palaeontological evidence bearing on global Ordovician–Silurian continental reconstructions RA Fortey, LRM Cocks Earth-Science Reviews 61 (3-4), 245-307, 2003 | 477 | 2003 |
| Disparity as an evolutionary index: a comparison of Cambrian and Recent arthropods MA Wills, DEG Briggs, RA Fortey Paleobiology 20 (2), 93-130, 1994 | 408 | 1994 |
| The Ordovician Trilobites of Spitsbergen. II, Asaphidae, Nileidae, Raphiophoridae and Telephinidae of the Valhallfonna Formation RA Fortey | 333* | 1975 |
| A revision of Ordovician series and stages from the historical type area RA Fortey, DAT Harper, JK Ingham, AW Owen, AWA Rushton Geological Magazine 132 (1), 15-30, 1995 | 330 | 1995 |
| Feeding habits in trilobites. RA Fortey, RA Fortey, RM OWENS, RM Owens Palaeontology 42 (3), 1999 | 329 | 1999 |
| Global earlier Ordovician transgressions and regressions and their biological implications RA Fortey, DL Bruton Aspects of the Ordovician system 295, 37-50, 1984 | 319 | 1984 |
| The arenig series in South Wales RA Fortey, RM Owens Bulletin of the British Museum, Natural History. Geology 41 (3), 69-307, 1987 | 315 | 1987 |
| Stratigraphy of the Anthropocene J Zalasiewicz, M Williams, R Fortey, A Smith, TL Barry, AL Coe, PR Bown, ... Philosophical Transactions of the Royal Society A: Mathematical, Physical …, 2011 | 311 | 2011 |
| Morphological disparity in the Cambrian DEG Briggs, RA Fortey, MA Wills Science 256 (5064), 1670-1673, 1992 | 304 | 1992 |
| Late Ordovician global warming—the Boda event RA Fortey, LRM Cocks Geology 33 (5), 405-408, 2005 | 302 | 2005 |
| Biogeography of Ordovician and Silurian faunas LRM Cocks, RA Fortey Geological Society, London, Memoirs 12 (1), 97-104, 1990 | 284 | 1990 |
| Life: a natural history of the first four billion years of life on earth R Fortey Vintage, 2011 | 273* | 2011 |
| Early Ordovician trilobite communities RA Fortey Evolution and morphology of the Trilobita, Trilobitoidea and Merostomata …, 1975 | 271 | 1975 |
| Problems of reproducibility–does geologically ancient DNA survive in amber–preserved insects? JJ Austin, AJ Ross, AB Smith, RA Fortey, RH Thomas Proceedings of the Royal Society of London. Series B: Biological Sciences …, 1997 | 261 | 1997 |
| The Cambrian evolutionary ‘explosion’: decoupling cladogenesis from morphological disparity RA Fortey, DEG Briggs, MA Wills Biological Journal of the Linnean Society 57 (1), 13-33, 1996 | 245 | 1996 |
| A revised correlation of Ordovician rocks in the British Isles RA Fortey Geological Society of London, 2000 | 238 | 2000 |
| Evolutionary explosions and the phylogenetic fuse A Cooper, R Fortey Trends in Ecology & Evolution 13 (4), 151-156, 1998 | 234 | 1998 |
| The early radiation and relationships of the major arthropod groups DEG Briggs, RA Fortey Science 246 (4927), 241-243, 1989 | 231 | 1989 |
| Ontogeny, hypostome attachment and trilobite classification RA Fortey Palaeontology 33, 529-576, 1990 | 214 | 1990 |
