Achromatium

Achromatium is a genus in the phylum Proteobacteria (Bacteria). ==Etymology== The name Achromatium derives from: Greek prefix a- (ἄ), not; Greek noun chroma, color, paint; New Latin neuter gender noun Achromatium, that which is not colored. The genus contains single species, namely A. oxaliferum ( Schewiakoff 1893, species. (Type species of the ...
Found on http://en.wikipedia.org/wiki/Achromatium

Achromatium

(from the article `bacteria`) ...which has diameters of 2 to 5 m or more; the cyanobacterium Synechococcus, which averages 6 m by 12 m; and Achromatium, which has a minimum width ...
Found on http://www.britannica.com/eb/a-z/a/12
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