Cryptista

Cryptista is a clade of algae-like eukaryotes. It is sometimes placed along with Haptista in the group Hacrobia, within the kingdom Chromista.[2] However, in 2016, a broad phylogenomic study found that cryptists fall within the group Archaeplastida, while haptophytes are closely related to the SAR supergroup.[3][4]

Cryptista
Rhodomonas salina, a cryptophyte
Scientific classification
Domain:
Eukaryota
(unranked):
Hacrobia
(unranked):
Cryptista

Adl et al., 2018 [Cavalier-Smith 1989, 2018][1]
Phyla & Classes

Taxonomy

Based on studies done by Cavalier-Smith, Chao & Lewis 2015[5]

  • Phylum Corbihelia Cavalier-Smith 2015 sensu Ruggerio et al. 2015
  • Phylum Cryptista Cavalier-Smith 1989 sensu Ruggerio et al. 2015
    • Sub Phylum Palpitia Cavalier-Smith 2012
    • Sub Phylum Rollomonadia Ruggiero et al. 2015
      • Super Class Leucocrypta Cavalier-Smith 2015 stat. n. [Kathablepharidophyta Okamoto & Inouye 2005]
        • Class Leucocryptea Cavalier-Smith 2004 [Kathablepharidea (sic) Okamoto & Inouye 2005; Kathablepharidophyceae]
          • Order Katablepharida Cavalier-Smith 1993 [Kathablepharida (sic)]
            • Family Katablepharidae Vors 1992 [Kathablepharidae (sic)[6]]
      • Super Class Cryptomonada Cavalier-Smith 2004 sta. n.
        • Class Goniomonadea Cavalier-Smith 1993 [Cyathomonadea Cavalier-Smith 1989]
          • Order Goniomonadida Novarino & Lucas 1993 [Goniomonadales]
            • Family Goniomonadidae Hill 1991 [Cyathomonadaceae Pringsheim 1944]
          • Order Hemiarmida Shiratori, Ishida et al 2016
            • Family Hemiarmidae Shiratori, Ishida et al 2016
        • Class Cryptophyceae Fritsch 1937 [Cryptomonadea Stein 1878 emend. Schoenichen 1925]
          • Order Tetragonidiales Kristiansen 1992
          • Order Pyrenomonadales Novarino & Lucas 1993
            • Family Chroomonadaceae Clay, Cugrens & Lee 1999 [Hemiselmidaceae Butcher 1967; Senniaceae; Planonephraceae]
            • Family Geminigeraceae Clay, Cugrens & Lee 1999
            • Family Pyrenomonadaceae Novarino & Lucas 1993
          • Order Cryptomonadales Pascher 1913
            • Family Cryptomonadaceae Ehrenberg 1831 [Campylomonadaceae Clay, Kugrens & Lee 1999]
        • incertae sedis

References
  1. Adl, Sina M.; Bass, David; Lane, Christopher E.; Lukeš, Julius; Schoch, Conrad L.; Smirnov, Alexey; Agatha, Sabine; Berney, Cedric; Brown, Matthew W. (2018-09-26). "Revisions to the Classification, Nomenclature, and Diversity of Eukaryotes". The Journal of Eukaryotic Microbiology. 66 (1): 4–119. doi:10.1111/jeu.12691. ISSN 1550-7408. PMC 6492006. PMID 30257078.
  2. Ruggiero, Michael A.; Gordon, Dennis P.; Orrell, Thomas M.; Bailly, Nicolas; Bourgoin, Thierry; Brusca, Richard C.; Cavalier-Smith, Thomas; Guiry, Michael D.; Kirk, Paul M. (2015-04-29). "A Higher Level Classification of All Living Organisms". PLOS ONE. 10 (4): e0119248. Bibcode:2015PLoSO..1019248R. doi:10.1371/journal.pone.0119248. ISSN 1932-6203. PMC 4418965. PMID 25923521.
  3. Burki F; Kaplan M; Tikhonenkov DV; Zlatogursky V; Minh BQ; Radaykina LV; Smirnov A; Mylnikov AP; Keeling PJ (2016), "Untangling the early diversification of eukaryotes: a phylogenomic study of the evolutionary origins of Centrohelida, Haptophyta and Cryptista.", Proc Biol Sci, 283 (1823): 20152802, doi:10.1098/rspb.2015.2802, PMC 4795036, PMID 26817772
  4. Burki, F; Inagaki, Y; Bråte, J; Archibald, J.; Keeling, P.; Cavalier-Smith, T; Sakaguchi, M; Hashimoto, T; Horak, A; Kumar, S; Klaveness, D; Jakobsen, K.S; Pawlowski, J; Shalchian-Tabrizi, K (2009). "Large-scale phylogenomic analyses reveal that two enigmatic protist lineages, Telonemia and Centroheliozoa, are related to photosynthetic chromalveolates". Genome Biology and Evolution. 1: 231–8. doi:10.1093/gbe/evp022. PMC 2817417. PMID 20333193. Archived from the original (Free full text) on 2012-07-10.
  5. Cavalier-Smith; Chao; Lewis (2015), "Multiple origins of Heliozoa from flagellate ancestors: New cryptist subphylum Corbihelia, superclass Corbistoma, and monophyly of Haptista, Cryptista, Hacrobia and Chromista", Molecular Phylogenetics and Evolution, 93: 331–362, doi:10.1016/j.ympev.2015.07.004, PMID 26234272
  6. "Katablepharids".


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