| The oldest horseshoe crab: a new xiphosurid from Late Ordovician Konservat‐Lagerstätten deposits, Manitoba, Canada DM Rudkin, GA Young, GS Nowlan Palaeontology 51 (1), 1-9, 2008 | 183 | 2008 |
| Horseshoe crabs–an ancient ancestry revealed DM Rudkin, GA Young Biology and conservation of horseshoe crabs, 25-44, 2009 | 112 | 2009 |
| The fossil record of cnidarian medusae GA Young, JW Hagadorn Palaeoworld 19 (3-4), 212-221, 2010 | 92 | 2010 |
| Paleoscene# 3. Dual biostratigraphy: zones and biofacies R Ludvigsen, SR Westrop, BR Pratt, PA Tuffnell, GA Young Geoscience Canada 13 (3), 139-154, 1986 | 88 | 1986 |
| Corals BD Webby, RJ Elias, GA Young, BEE Neuman, D Kaljo The Great Ordovician Biodiversification Event, 124-146, 2004 | 77 | 2004 |
| Exceptionally preserved late Ordovician biotas from Manitoba, Canada GA Young, DM Rudkin, EP Dobrzanski, SP Robson, GS Nowlan Geology 35 (10), 883-886, 2007 | 74 | 2007 |
| Ordovician palaeobiogeography of Australasia BD Webby, IG Percival, GD Edgecombe, RA Cooper, AHM Vandenberg, ... Association of Australasian Palaeontologists, 2000 | 72 | 2000 |
| The world's biggest trilobite—Isotelus rex new species from the Upper Ordovician of northern Manitoba, Canada DM Rudkin, GA Young, RJ Elias, EP Dobrzanski Journal of Paleontology 77 (1), 99-112, 2003 | 62 | 2003 |
| Latest Ordovician to earliest Silurian colonial corals of the east-central United States GA Young, RJ Elias Paleontological Research Institution, 1995 | 59 | 1995 |
| Mid-Cambrian trilobites from the lowest part of the Cow Head Group, western Newfoundland GA Young, R Ludvigsen Geological Survey of Canada, 1989 | 51 | 1989 |
| Classification and controls of internal banding in Palaeozoic stromatoporoids and colonial corals GA Young, S Kershaw Palaeontology 48 (3), 623-651, 2005 | 49 | 2005 |
| Neurology and the bone marrow JD Pollard, GAR Young Journal of Neurology, Neurosurgery & Psychiatry 63 (6), 706-717, 1997 | 45 | 1997 |
| Coral diversity, ecology, and provincial structure during a time of crisis; the latest Ordovician to earliest Silurian Edgewood Province in Laurentia RJ Elias, GA Young Palaios 13 (2), 98-112, 1998 | 37 | 1998 |
| Growth form in Silurian heliolitid corals: the influence of genetics and environment GA Young, CT Scrutton Paleobiology 17 (4), 369-387, 1991 | 36 | 1991 |
| Great Canadian Lagerstätten 3. Late Ordovician Konservat-Lagerstätten in Manitoba GA Young, DM Rudkin, EP Dobrzanski, SP Robson, MB Cuggy, ... Geoscience Canada 39 (4), 201-213, 2012 | 31 | 2012 |
| Hirnantian strata identified in major intracratonic basins of central North America: implications for uppermost Ordovician stratigraphy MW Demski, BJ Wheadon, LA Stewart, RJ Elias, GA Young, GS Nowlan, ... Canadian Journal of Earth Sciences 52 (1), 68-76, 2015 | 25 | 2015 |
| Variation and growth of a syringoporid symbiont species in stromatoporoids from the Silurian of eastern Canada GA Young, JPA Noble Memoirs of the Australasian Association of Palaeontologists 8, 91-98, 1989 | 24 | 1989 |
| Chapter 9 Coral biogeography in the Late Ordovician (Cincinnatian) of Laurentia RJ Elias, GA Young, DJ Lee, BY Bae Geological Society, London, Memoirs 38 (1), 97-115, 2013 | 20 | 2013 |
| An Ordovician pycnogonid (sea spider) with serially subdivided ‘head’region DM Rudkin, MB Cuggy, GA Young, DP Thompson Journal of Paleontology 87 (3), 395-405, 2013 | 19 | 2013 |
| The Llandovery-Wenlock heliolitid corals from New Brunswick, Canada JPA Noble, GA Young Journal of Paleontology, 867-884, 1984 | 19 | 1984 |
David M. RudkinRetired - Assistant Curator of Invertebrate Palaeontology, Royal Ontario MuseumVerified email at rom.on.ca
