Cordaitean Predation Photos 2019: Mounted Peels, Harvard Collection. Plate 28A
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Cone maturity is as follows- cone A, immature (picture 1, top); cone B, immature (picture 1, bottom); cone C, mature (picture 3). Picture 3 represents a single golden coprolite identified in cone C. Plate 28A is a successive peel taken from the same coal ball as other plates labeled 28.
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.
Cones A and B are Immature cones and Cone C is a Mature cone.
A single golden coprolite was identified in cone C.
Mounted peels were made by William C. Darrah.
Desmoinian North American Stage (Desmoinesian)
Coal Ball Peel
Lakeram, Scott (2019). Cordaitean Predation Photos 2019: Mounted Peels, Harvard Collection. Plate 28A. Texas A&M University. Libraries. Available electronically from