This article is broken into 6 (six) PDF files. Due to the numbers and sizes of the images, only thumbnail versions of figures are included. See the HTML file for complete figures.

text.pdf: Abstract, Introduction, Methods, Geographic and Veritcal Distribution, Taxonomy, Morphology and classification systems, Outline classification, and Identification of species. (282 KB)

text2.pdf: Order Spumellaria, Families: Collosphaeridae, Actinommidae, Coccodiscidae, Phacodiscidae, Spongodiscidae, Litheliidae, Pyloniidae, Tholoniidae. (993 KB)

text3.pdf: Order Nassellaria, Familes: Spyridae, Plagoniidae, Theoperidae, Carpocaniidae, Pterocorythidae, Artostrobiidae, Cannobotryidae. (1.2 MB)

text4.pdf: Acknowledgments and References. (46 KB)

text5.pdf: Table 1. (30 KB)

figure.pdf: A list of figure captions and sources. (14 KB)