Cordaitean Predation Photos 2019: Mounted Peels, Harvard Collection. Plate 58D
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Cone maturity is as follows- cone A, taphonomically degraded (picture 1); cone B, mature (picture 2); cone C, mature (picture 3, left); cone D, mature (picture 3, right), cone E, taphonomically degraded (picture 4, top), cone F, taphonomically degraded (picture 4, bottom), cone G, basal section (picture 5). Plate 58D is a successive peel taken from the same coal ball as other plates labeled 58.
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, E and F are taphonomically degraded
Cones B, C and D are Mature Cones.
Cone G is a basal sections.
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 58D. Texas A&M University. Libraries. Available electronically from