By Herbert William Meyer, Dena M. Smith
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Extra resources for Paleontology of the Upper Eocene florissant formation, Colorado
6—B. Boyle, personal observation; 7—H. Meyer, personal observation. *Known from pollen only; all other taxa documented from macrofossils, or macrofossils and pollen combined. † Extinct. 1 ha transects). 1 ha transect data was “The Alwyn H. shtml). Four of these samples were collected in part or in their entirety by the first author (KITLOPE1, KITLOPE2, GUANUP, MAQUIPUC; Appendix 1). We used the version of the Gentry data set available from the SALVIAS Web site (www. php#Plant_inventories). Taxonomic standardization is currently complete only for New World samples; thus we restricted our analysis to the subset of 181 plots from North, Central, and South America (source 1 in Appendix 1).
The Geological Society of America Special Paper 435 2008 The role of biofilms in fossil preservation, Florissant Formation, Colorado Neal R. O’Brien Department of Geology, State University of New York at Potsdam, Potsdam, New York 13676, USA Herbert W. O. Box 185, Florissant, Colorado 80816, USA Ian C. Harding School of Ocean and Earth Science, National Oceanography Centre, Southampton, University of Southampton, European Way, Southampton, England SO14 3 ZH, UK ABSTRACT Scanning electron microscopy (SEM) of insect and plant fossils in the lacustrine shales of the Eocene Florissant Formation of Florissant, Colorado, was used to investigate the mechanisms of fossil preservation.
Scanning electron photomicrographs of diatom biofilm, Stewart Valley, Nevada. (A) Mucus strands attached to diatoms (arrow). 04 μm. (B) Biofilm associated with diatoms (large arrow) overlying an insect body (small arrow). 17 μm. Cenozoic lacustrine settings, such as that represented by the Florissant Formation in Colorado. Future taphonomic studies of preservation in fresh-water bodies that contain diatoms may shed further light on this phenomenon. Nevada office. Logistical support of providing fossil samples, advice, or support in the field or lab was provided by Richard Pearce, Platt Bradbury, Elizabeth Wheeler, Amelia K.