The stomatocyst of Mallomonas acaroides v. muskokana (Chrysophyceae) |
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| Authors: | Peter A Siver |
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| Institution: | (1) Biology Department, Western Connecticut State University, 06810 Danbury, CT, USA;(2) Present address: Dept. Botany, Connecticut College, 06320 New London, CT, USA |
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| Abstract: | The stomatocyst of Mallomanas acaroides v. muskokana is described based on observations made from both live populations and surface sediment remains. The cyst is slightly ovate in shape, covered with evenly spaced, ornamented spines and has a short cylindrical collar with a variable apex and internal annulus surrounding the pore. The spines have a thickened base, a cylindrical middle section and a flattened apex with a ring of finger-like projections. Several immature stages of development are described and the stomatocyst is compared to those described for phylogenetically similar species. Complementary investigations of stomatocysts from both living (planktonic) and sediment collections can greatly facilitate the identification of stomatocyst morphotypes.This is the second in a series of four papers published in this dedicated issue entitled  Application of Chrysophyte Stomatocysts in Paleolimnology . Dr. C.D. Sandgren served as guest editor for these papers. |
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| Keywords: | Chrysophyceae stomatocyst cyst Mallomonas Adirondacks Connecticut |
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