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Movement of a Picomonas judraskeda cell
Animation of the 3D structure of Picomonas judraskeda
Scientific classification e
Domain: Eukaryota
Phylum: Picozoa
Seenivasan, Sausen, Medlin, Melkonian, 2013[1]

Picozoa are a phylum of marine unicellular heterotrophic eukaryotes with a size of less than about 3 µm. The first species identified therein is Picomonas judraskeda.[1]

A study published in 2015 places this species in the Hacrobia.[2]

See also[edit]


  • Data related to Picozoa at Wikispecies
  • Media related to Picozoa at Wikimedia Commons
  1. ^ a b Seenivasan, R.; Sausen, N.; Medlin, L. K.; Melkonian, M. (2013). Waller, Ross Frederick, ed. "Picomonas judraskeda Gen. Et Sp. Nov.: The First Identified Member of the Picozoa Phylum Nov., a Widespread Group of Picoeukaryotes, Formerly Known as 'Picobiliphytes'". PLoS ONE. 8 (3): e59565. doi:10.1371/journal.pone.0059565. PMC 3608682Freely accessible. PMID 23555709. 
  2. ^ Cavalier-Smith, T; Chao, EE; Lewis, R (2015). "Multiple origins of Heliozoa from flagellate ancestors: New cryptist subphylum Corbihelia, superclass Corbistoma, and monophyly of Haptista, Cryptista, Hacrobia and Chromista". Mol Phylogenet Evol. 93: 331–362. doi:10.1016/j.ympev.2015.07.004. PMID 26234272.