Cordaitean Predation Photos 2019: Mounted Peels, Harvard Collection. Plate 60A
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Cone maturity is as follows- cone A, immature (picture 1); cone B, mature (picture 2); cone C, mature (picture 3, top); cone D, mature (picture 3, bottom). Picture 4 depicts pollen grains of Florinites with ruptured trilete marks. 3 golden coprolites were identified in the cone B. A large golden coprolite (> 300) possibly from an insect was found in the matrix (picture 5). Plate 60A is a successive peel taken from the same coal ball as other plates labeled 60.
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.
Cone A is Immature
Cones B, C and D are Mature.
Mounted peels were made by William C. Darrah.
Desmoinian North American Stage (Desmoinesian)
Coal Ball Peels
Ruptured Trilete Mark
Lakeram, Scott (2019). Cordaitean Predation Photos 2019: Mounted Peels, Harvard Collection. Plate 60A. Texas A&M University. Libraries. Available electronically from