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Displaying 11 records found for   P
Term Meaning
Palynomorph A microfossil that is organic in nature and between 5Ám and 500Ám in diameter. This includes pollen grains, starch granules, phytoliths, and other such materials.
P/E Index Ratio between the measurements of the polar axis [P] and the equatorial diameter [E].
Pericolpate Palynomorph with >3 grooves not restricted to the equator.
Periporate Palynomorph with >3 pores distributed throughout surface (appearing like a wiffle ball).
Peroblate Palynomorph with a P/E Index of <0.5.
Perprolate Palynomorph with a P/E Index of >2.0.
Pollinium An aggregation of pollen grains that forms a single unit for dispersal.
Polyad Palynomorph in a group of >4 grains.
Polyplicate Palynomorph with sharp-crested folds.
Prolate Palynomorph with a P/E Index of 1.33-2.0.
Psilate Palynomorph with a smooth surface.