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This photo collection represents an effort to document pollen predation in cordaitean cones by arthropods in Coal balls from the Williamson No. 3 Mine in Lucas County, Iowa. The collection features cones at different stages of sexual maturity (immature and mature). Two types of coprolites were been identified in cordiatean cones; brown coprolites composed of partially digested vegetative organs and golden coprolites composed of digested pollen grains (Florinites). These peels were made by Dr. Anne Raymond and are housed at the Department of Geology and Geophysics at Texas A&M University.

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