Cordaitean Predation Photos 2019: Mounted Peels, Harvard Collection. Plate 77A
MetadataShow full item record
Cone maturity is as follows- cone A, taphonomically degraded (picture 1, left); cone B, taphonomically degraded (picture 1, middle); cone C, mature (picture 1, right); cone D, basal section (picture 2, left), cone E, immature (picture 2, right). Plate 77A is a successive peel taken from the same coal ball as other plates labeled 77.
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 and B are degraded cones.
Cone C is a Mature cone.
Cone D is a basal section.
Cone E is an Immature 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 77A. Texas A&M University. Libraries. Available electronically from