Cordaitean Predation Photos 2019: Mounted Peels, Harvard Collection. Plate 20B
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Cones A (picture 1) and B (picture 2) are mature cordaitean cones filled with golden and brown coprolites, both types deposited in strings (picture 3). Picture 3 shows pollen grains in golden coprolites are highly macerated showing signs of digestion. Plate 20B is a successive peel taken from the same coal ball as other plates labeled 20.
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.
2 Mature Cones
Cone A contains 2 golden coprolites and 12 brown coprolites.
Cone B contains 17 golden coprolites
Pollen grains in coprolites are highly macerated.
Mounted peels were made by William C. Darrah.
Desmoinian North American Stage (Desmoinesian)
Coal Ball Peels
Lakeram, Scott (2019). Cordaitean Predation Photos 2019: Mounted Peels, Harvard Collection. Plate 20B. Texas A&M University. Libraries. Available electronically from