Journal or Book Title
Transactions of the American Microscopical Society
In the early stages of a previous study of fossil spores of Botryopteris globosa and B. americana from the Carboniferous (Phillips & Rosso, 1970), considerable difficulty was encountered in replicating and cleaning spore materials and associ- ated debris from the carbon-platinum spore replicas. After numerous attempts to clean these carbon films, the techniques presented in this paper proved ef- ficient and reliable for transmission electron microscope examination of Botry- opteris spores found in calcified coal ball fossils.
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Rosso, Sam W.; Williams, M. Glenn; Horner, Harry T.; and Moreland, James, "The Preparation of Carbon-Metal Replicas for the Study of Carboniferous Coal Ball Fossils: Replication and Cleaning Procedures" (1976). Botany Publication and Papers. 34.