Cordaitean Predation Photos 2019: Mounted Peels, Harvard Collection. Plate 12
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A mature cordaitean cone (picture 4) containing Cordaitina sp. and 2 golden coprolites within its cone scales (picture 3). A large brown coprolite can be identified in the matrix to the left of the cone (picture 4). Picture 2 was taken under crossed polarized light showing intact pollen grains having no change in birefringence.
DescriptionThese images were used in the research for a master's thesis from the Texas A&M University Dept. of Geology and Geophysics (Date of submission: May 2020).
Images were taken from slides on loan from the Harvard Paleobotanical Herbarium.
Mounted peels were made by William C. Darrah.
Desmoinian North American Stage (Desmoinesian)
Coal Ball Peels
Cross Polarized Light
Lakeram, Scott (2019). Cordaitean Predation Photos 2019: Mounted Peels, Harvard Collection. Plate 12. Texas A&M University. Libraries. Available electronically from