"Pyxicoccus fallax" Reichenbach 2005 Dataset NCBI Taxonomy Classification phylum Myxococcota class Myxococcia order Myxococcales family Myxococcaceae genus Pyxidicoccus species Pyxidicoccus fallax Name Homonyms Pyxicoccus fallax "Pyxicoccus fallax" Reichenbach 2005