Found 8 results
Filters: Author is Gray, J.  [Clear All Filters]
1990
L. E. Babcock, Gray, J., Boucot, A., Himes, G. T., and Siegele, P. K., 1ST SILURIAN CONULARIIDS FROM PARAGUAY, Journal of Paleontology, vol. 64, pp. 897-902, 1990.
1989
J. Gray and Boucot, A., IS MOYERIA A EUGLENOID, Lethaia, vol. 22, pp. 447-456, 1989.
1983
A. Boucot and Gray, J., A PALEOZOIC PANGAEA, Science, vol. 222, pp. 571-581, 1983.
1980
J. Gray and Boucot, A., MICRO-FOSSILS AND EVIDENCE OF LAND PLANT EVOLUTION, Lethaia, vol. 13, pp. 174-174, 1980.
1979
J. Gray and Boucot, A., DEVONIAN LAND PLANT PROTOSALVINIA, Lethaia, vol. 12, pp. 57-63, 1979.
1977
J. Gray and Boucot, A., EARLY VASCULAR LAND PLANTS - PROOF AND CONJECTURE, Lethaia, vol. 10, pp. 145-174, 1977.