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THE OLDEST HORSESHOE CRAB: A NEW XIPHOSURID FROM LATE ORDOVICIAN KONSERVAT-LAGERSTÄTTEN DEPOSITS, MANITOBA, CANADA
- D. Rudkin, G. A. Young, G. Nowlan
- Geology
- 2008
A remarkable new fossil horseshoe crab, Lunat- aspis aurora gen. et sp. nov., from recently discovered Upper Ordovician (c. 445 Ma) shallow marine Konservat-Lagerstat- ten deposits in Manitoba… Expand
Exceptionally preserved Late Ordovician biotas from Manitoba, Canada
- G. A. Young, D. Rudkin, Edward P. Dobrzanski, Sean P. Robson, G. Nowlan
- Geology
- 1 October 2007
There are few body fossil biotas known from early Paleozoic accretionary shorelines, and very few examples of Ordovician soft-bodied assemblages. This study documents two recently discovered biotas… Expand
THE WORLD'S BIGGEST TRILOBITE—ISOTELUS REX NEW SPECIES FROM THE UPPER ORDOVICIAN OF NORTHERN MANITOBA, CANADA
- David M. Rudkin, G. A. Young, R. J. Elias, Edward P. Dobrzanski
- Geology
- 2003
Abstract The largest known trilobite fossil, a virtually complete articulated dorsal shield of the asaphid Isotelus rex new species, has been recovered from Upper Ordovician (Cincinnatian,… Expand
The fossil record of cnidarian medusae
- G. A. Young, J. W. Hagadorn
- Geology
- 1 December 2010
Abstract Fossils of cnidarian medusae are extremely rare, although reports of fossil “medusoids,” most of which do not represent medusae, are rather common. Our previous inability to distinguish… Expand
Horseshoe Crabs – An Ancient Ancestry Revealed
- D. Rudkin, G. A. Young
- Geography
- 2009
The fossil record of the basic xiphosurid horseshoe crab body plan has been extended back to the Late Ordovician Period, about 445 million years ago, demonstrating an origin that lies outside of the… Expand
Great Canadian Lagerstätten 3. Late Ordovician Konservat-Lagerstätten in Manitoba
- G. A. Young, D. Rudkin, +4 authors Deborah P. Thompson
- Geography
- 2012
Konservat-Lagerstatten , deposits in which soft-bodied or lightly sclerotized fossils are preserved, are very rare in Ordovician strata. Three significant sites are known from Upper Ordovician rocks… Expand
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CLASSIFICATION AND CONTROLS OF INTERNAL BANDING IN PALAEOZOIC STROMATOPOROIDS AND COLONIAL CORALS
- G. A. Young, S. Kershaw
- Geology
- 1 May 2005
: Palaeozoic corals and stromatoporoids exhibit a variety of internal banding phenomena, many of which have been commonly interpreted as annual growth bands. We evaluate bands through analysis of… Expand
Growth form in Silurian heliolitid corals: the influence of genetics and environment
- G. A. Young, C. Scrutton
- Biology
- 1 October 1991
Colony growth form in some Silurian heliolitid corals is analyzed by the measurement of their shape in profile. Data are presented for seven species, Stelliporella parvistella, Heliolites… Expand
Hirnantian strata identified in major intracratonic basins of central North America: implications for uppermost Ordovician stratigraphy
- Matthew W. Demski, Benjamin J. Wheadon, +4 authors Edward P. Dobrzanski
- Geology
- 2015
Carbon isotopes are analyzed for the first time from the Ordovician–Silurian boundary interval in the Williston and Hudson Bay basins of Manitoba, revealing a prominent positive excursion. The nature… Expand
Targeting Chronic Myeloid Leukemia Stem Cells
- G. Helgason, G. A. Young, T. Holyoake
- Medicine
- Current hematologic malignancy reports
- 24 February 2010
Chronic myeloid leukemia (CML) arises as a consequence of a chromosomal translocation giving rise to the Philadelphia chromosome and Bcr-Abl oncogene. CML is a clonal disease of stem cell origin and… Expand