| Origin and early evolution of vertebrate skeletonization PCJ Donoghue, IJ Sansom Microscopy research and technique 59 (5), 352-372, 2002 | 212 | 2002 |
| Presence of the earliest vertebrate hard tissue in conodonts IJ Sansom, MP Smith, HA Armstrong, MM Smith Science 256 (5061), 1308-1311, 1992 | 197 | 1992 |
| Early evolution of vertebrate skeletal tissues and cellular interactions, and the canalization of skeletal development PCJ Donoghue, IJ Sansom, JP Downs Journal of Experimental Zoology Part B: Molecular and Developmental …, 2006 | 169 | 2006 |
| Scales of thelodont and shark-like fishes from the Ordovician of Colorado IJ Sansom, MM Smith, MP Smith Nature 379 (6566), 628-630, 1996 | 139 | 1996 |
| Dentine in conodonts IJ Sansom, MP Smith, MM Smith Nature 368 (6472), 591-591, 1994 | 82 | 1994 |
| Histology of the first fish MP Smith, IJ Sansom, JE Repetski Nature 380 (6576), 702-704, 1996 | 58 | 1996 |
| The apparatus architecture of Panderodus and its implications for coniform conodont classification IJ Sansom, HA Armstrong, MP Smith Palaeontology 37 (4), 781-800, 1994 | 58 | 1994 |
| The Ordovician radiation of vertebrates IJ Sansom, MM Smith, MP Smith SYSTEMATICS ASSOCIATION SPECIAL VOLUME 61, 156-171, 2001 | 54 | 2001 |
| Spines and tissues of ancient sharks MI Coates, SEK Sequeira, IJ Sansom, MM Smith Nature 396 (6713), 729-730, 1998 | 54 | 1998 |
| Evolutionary origins of dentine in the fossil record of early vertebrates: diversity, development and function MM Smith, IJ Sansom Development, function and evolution of teeth 65, 2000 | 53 | 2000 |
| VERTEBRATE MINERALIZED TISSUES MM Smith, IJ Sansom, MP Smith Modern Geology 20, 303-319, 1996 | 52 | 1996 |
| Astraspis-the anatomy and histology of an Ordovician fish IJ Sansom, MP Smith, MM Smith, P Turner Palaeontology 40 (3), 625-644, 1997 | 50 | 1997 |
| Histology of the galeaspid dermoskeleton and endoskeleton, and the origin and early evolution of the vertebrate cranial endoskeleton W Nian-Zhong, PCJ Donoghue, MM Smith, IJ Sansom Journal of Vertebrate Paleontology 25 (4), 745-756, 2005 | 45 | 2005 |
| Histology and affinity of the earliest armoured vertebrate IJ Sansom, PCJ Donoghue, G Albanesi Biology Letters 1 (4), 446-449, 2005 | 45 | 2005 |
| The Cambrian origin of vertebrates MP Smith, IJ Sansom, KD Cochrane SYSTEMATICS ASSOCIATION SPECIAL VOLUME 61, 67-84, 2001 | 45 | 2001 |
| Exoskeletal micro-remains of an Ordovician fish from the Harding Sandstone of Colorado MM Smith, IJ Sansom Palaeontology 40, 645-658, 1997 | 42 | 1997 |
| Pseudooneotodus: a histological study of an Ordovician to Devonian vertebrate lineage IJ SANSOM Zoological Journal of the Linnean Society 118 (1), 47-57, 1996 | 42 | 1996 |
| Trace fossils and paleoenvironments of a Late Silurian marginal-marine/alluvial system: the Ringerike Group (Lower Old Red Sandstone), Oslo region, Norway NS Davies, IJ Sansom, P Turner Palaios 21 (1), 46-62, 2006 | 41 | 2006 |
| A microvertebrate fauna from the Llandovery of South China IJ Sansom, RJ Aldridge, MM Smith Earth and Environmental Science Transactions of The Royal Society of …, 1999 | 41 | 1999 |
| The origin and early evolution of chordates: molecular clocks and the fossil record PCJ Donoghue, MP Smith, IJ Sansom Telling the evolutionary time: molecular clocks and the fossil record, 190-223, 2003 | 40 | 2003 |
Philip C. J. DonoghueProfessor of Palaeobiology, University of Bristol, School of Earth SciencesVerified email at bristol.ac.uk
