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Chrysosphaerella longispina from a pond in New Hampshire USA. Each cell bears two stiff silica spines, many times longer than the cell diameter.
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Chrysosphaerella longispina from a pond in New Hampshire USA
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Chrysosphaerella longispina from a pond in New Hampshire USA
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Chrysosphaerella longispina, 2 July 2010, Wheelwright Pond, Lee, NH USA
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Chrysosphaerella spine illustrating double-flanged proximal end that retains spine immediately beneath cell membrane, and forked distal end.
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