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Cordaitean Predation Photos 2019: Mounted Peels, Harvard Collection. Plate 64
(2019)
Cone maturity is as follows- cone A, mature (picture 1); cone B, immature (picture 2); cone C, mature (picture 3).
Arthropod Predation of Cordaitean Pollen Cones in Pennsylvanian Coal Balls
(2020-08-05)
Pennsylvanian coal balls are concretions of permineralized peat that contain a rich fossil record of plant-animal interactions. Cordaitean leaf-mat coal balls from the Cliffland and Blackoak coal beds (Kalo Formation, Iowa) ...