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There are 3868 results for: content related to: When is a pterobranch a graptolite?

  1. Ecology of a Late Silurian fauna of graptolites and associated organisms

    Lethaia

    Volume 10, Issue 4, October 1977, Pages: 267–286, RODNEY WATKINS and WILLIAM B. N. BERRY

    Article first published online : 9 OCT 2007, DOI: 10.1111/j.1502-3931.1977.tb00622.x

  2. Latitudinal and depth zonation of early Ordovician graptolites

    Lethaia

    Volume 24, Issue 2, April 1991, Pages: 199–218, ROGER A. COOPER, RICHARD A. FORTEY and KRISTINA LINDHOLM

    Article first published online : 9 OCT 2007, DOI: 10.1111/j.1502-3931.1991.tb01468.x

  3. Ecostratigraphy, zonation and global correlation of earliest Ordovician planktic graptolites

    Lethaia

    Volume 32, Issue 1, March 1999, Pages: 1–14, ROGER A. COOPER

    Article first published online : 29 MAR 2007, DOI: 10.1111/j.1502-3931.1999.tb00576.x

  4. Revision of the Zone 13 graptolite biostratigraphy in the Marathon, Texas, standard succession and its bearing on Upper Ordovician graptolite biogeography

    Lethaia

    Volume 28, Issue 2, June 1995, Pages: 115–128, DANIEL GOLDMAN, STIG M. BERGSTRÖM and CHARLES E. MITCHELL

    Article first published online : 9 OCT 2007, DOI: 10.1111/j.1502-3931.1995.tb01601.x

  5. The position of graptolites within Lower Palaeozoic planktic ecosystems

    Lethaia

    Volume 26, Issue 3, December 1993, Pages: 189–202, CHARLIE J. UNDERWOOD

    Article first published online : 9 OCT 2007, DOI: 10.1111/j.1502-3931.1993.tb01517.x

  6. The graptolite correlation of the North American Upper Ordovician Standard

    Lethaia

    Volume 19, Issue 3, July 1986, Pages: 247–266, Stig M. Bergström and Charles E. Mitchell

    Article first published online : 9 OCT 2007, DOI: 10.1111/j.1502-3931.1986.tb00739.x

  7. Decay and composition of the hemichordate Rhabdopleura: implications for the taphonomy of graptolites

    Lethaia

    Volume 28, Issue 1, March 1995, Pages: 15–23, DEREK E.G. BRIGGS, AMANDA J. KEAR, MARIANNE BAAS, JAN W. de LEEUW and SUSAN RIGBY

    Article first published online : 9 OCT 2007, DOI: 10.1111/j.1502-3931.1995.tb01589.x

  8. Hemichordate skeletal growth: shared patterns in Rhabdopleura and graptoloids

    Lethaia

    Volume 27, Issue 4, December 1994, Pages: 317–324, SUSAN RIGBY

    Article first published online : 9 OCT 2007, DOI: 10.1111/j.1502-3931.1994.tb01581.x

  9. The ultrastructure of the Crustoidea and the evolution of graptolite skeletal tissues

    Lethaia

    Volume 17, Issue 1, January 1984, Pages: 73–91, ADAM URBANEK and PIOTR MIERZEJEWSKI

    Article first published online : 9 OCT 2007, DOI: 10.1111/j.1502-3931.1984.tb00669.x

  10. Population structure of graptolite assemblages

    Lethaia

    Volume 31, Issue 1, March 1998, Pages: 33–41, CHARLIE J. UNDERWOOD

    Article first published online : 29 MAR 2007, DOI: 10.1111/j.1502-3931.1998.tb00487.x

  11. Proposal for adoption of the base of the Undulograptus austrodentatus Biozone as a global Ordovician stage and series boundary level

    Lethaia

    Volume 28, Issue 4, December 1995, Pages: 317–331, CHARLES E. MITCHELL and JÖRG MALETZ

    Article first published online : 9 OCT 2007, DOI: 10.1111/j.1502-3931.1995.tb01822.x

  12. The Ordovician-Silurian boundary: new data, new concerns

    Lethaia

    Volume 20, Issue 3, July 1987, Pages: 209–216, WILLIAM B. N. Berry

    Article first published online : 9 OCT 2007, DOI: 10.1111/j.1502-3931.1987.tb02039.x

  13. Dating of graptolite zones by sedimentation rates: implications for rates of evolution

    Lethaia

    Volume 13, Issue 4, October 1980, Pages: 279–287, CLAIRE CARTER, JAMES H. TREXLER JR. and MICHAEL CHURKIN JR

    Article first published online : 9 OCT 2007, DOI: 10.1111/j.1502-3931.1980.tb01051.x

  14. THE ZONES OF MONOGRAPTUS HERCYNICUS AND MONOGRAPTUS FALCARIUS IN PAI-KHOI

    Lethaia

    Volume 4, Issue 2, April 1971, Pages: 235–248, TAT'JANA N. KOREN‘

    Article first published online : 9 OCT 2007, DOI: 10.1111/j.1502-3931.1971.tb01291.x

  15. THE LUDLOW GRAPTOLITES NEODIVERSO-GRAPTUS NILSSONI AND CUCULLOGRAPTUS (LOBOGRAPTUS) PROGENITOR

    Lethaia

    Volume 4, Issue 4, October 1971, Pages: 357–384, DOUGLAS PALMER

    Article first published online : 9 OCT 2007, DOI: 10.1111/j.1502-3931.1971.tb01860.x

  16. LOWER DEVONIAN GRAPTOLITES FROM SOUTHEASTERN ALASKA

    Lethaia

    Volume 3, Issue 2, April 1970, Pages: 183–202, MICHAEL CHURKIN Jr., HERMAN JAEGER and G. DONALD EBERLEIN

    Article first published online : 9 OCT 2007, DOI: 10.1111/j.1502-3931.1970.tb01857.x

  17. Rhabdotubus, a Middle Cambrian rhabdopleurid hemichordate

    Lethaia

    Volume 19, Issue 4, October 1986, Pages: 293–308, STEFAN BENGTSON and ADAM URBANEK

    Article first published online : 9 OCT 2007, DOI: 10.1111/j.1502-3931.1986.tb00743.x

  18. Pyrite in Silurian graptolites from Bornholm, Denmark

    Lethaia

    Volume 24, Issue 4, October 1991, Pages: 351–361, MERETE BJERRESKOV

    Article first published online : 9 OCT 2007, DOI: 10.1111/j.1502-3931.1991.tb01486.x

  19. Didymograptus bifidus and the trans-Atlantic correlation of the Lower Ordovician

    Lethaia

    Volume 6, Issue 4, October 1973, Pages: 313–339, STIG M. BERGSTRÖM and ROGER A. COOPER

    Article first published online : 9 OCT 2007, DOI: 10.1111/j.1502-3931.1973.tb01201.x

  20. The density of graptoloid skeletal tissue, and its implication for the volume and density of the soft tissue

    Lethaia

    Volume 20, Issue 2, April 1987, Pages: 149–156, DENIS E. B. Bates

    Article first published online : 9 OCT 2007, DOI: 10.1111/j.1502-3931.1987.tb02032.x