Frederiksen, Norman O.
Sporomorphs from the Jackson Group (Upper Eocene) and adjacent strata of Mississippi and western Alabama - Washington, D.C. U.S. Geological Survey 1980 - pp. 1-75 láms.
EOCENO
POLEN Y ESPORAS
ESTADOS UNIDOS
Sporomorphs from the Jackson Group (Upper Eocene) and adjacent strata of Mississippi and western Alabama - Washington, D.C. U.S. Geological Survey 1980 - pp. 1-75 láms.
EOCENO
POLEN Y ESPORAS
ESTADOS UNIDOS