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Scientific classification
Domain: Eukaryota
Kingdom: Plantae
Division: Chlorophyta
Class: Chlorophyceae
Order: Chaetophorales
Family: Chaetophoraceae
Genus: Pleurococcus

Pleurococcus is a genus of algae, in the family Chaetophoraceae,[1] purported to be the most abundant organism on the planet at ten trillion trillion[citation needed]. They can be found growing on moist, dark patches of trees, rocks and soil. They can be found alone or in bunches together forming a slimy layer. They are spherical in shape with a thick cell wall to protect themselves against excessive water loss.


  1. ^ a b Guiry, M.D. & Guiry, G.M. (2007). "Genus: Pleurococcus taxonomy browser". AlgaeBase version 4.2 World-wide electronic publication, National University of Ireland, Galway. Retrieved 2007-09-25. 

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