Spores with proximal radial pattern from the Devonian of Canada,
McGregor, D. C. 1929-
Spores with proximal radial pattern from the Devonian of Canada, by D. C. McGregor. - [Ottawa] Dept. of Mines and Technical Surveys, Canada [1961] - ix, 11 p. plate, table. 25 cm.
Abstract in English and French.
Bibliography: p. 10-11.
gs 62000011
Plant spores, Fossil.
Paleobotany--Devonian.
Paleobotany--Canada.
QE185 / .A43 no. 76
Spores with proximal radial pattern from the Devonian of Canada, by D. C. McGregor. - [Ottawa] Dept. of Mines and Technical Surveys, Canada [1961] - ix, 11 p. plate, table. 25 cm.
Abstract in English and French.
Bibliography: p. 10-11.
gs 62000011
Plant spores, Fossil.
Paleobotany--Devonian.
Paleobotany--Canada.
QE185 / .A43 no. 76