Cordaitean Predation Photos 2019: Mounted Peels, Harvard Collection. Plate 67B
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Cone maturity is as follows- cone A, basal section (picture 1); cone B, mature (picture 2). Plate 67B is a successive peel taken from the same coal ball as other plates labeled 67.
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 a basal section.
Cone B is a Mature Cone.
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 67B. Texas A&M University. Libraries. Available electronically from