Cordaitean Predation Photos 2019: Mounted Peels, Harvard Collection. Plate 22A
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Cone maturity is as follows- cone A , immature (picture 1); cone B, basal section (picture 2); cone C, immature (picture 3); cone D, immature (picture 3); cone E, basal section (picture 4). Cone E contained 1 golden and 4 brown coprolite wiithin its cone scales. A large oblong coprolite possibly produced by an insect is located near cone E in the matrix (plate 6). Plate 22A is a successive peel taken from the same coal ball as other plates labeled 22.
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.
3 Immature Cones
2 basal sections
A large golden coprolite in the matrix possibly produced by an insect.
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 22A. Texas A&M University. Libraries. Available electronically from