Collodictyonidae

Collodictyonidae
Collodictyon triciliatum
Scientific classification Edit this classification
Domain: Eukaryota
Clade: Opimoda
Clade: Podiata
Clade: CRuMs
Class: Diphyllatea
Cavalier-Smith 2003
Order: Diphylleida
Cavalier-Smith 1993
Family: Collodictyonidae
Brugerolle et al. 2002
Genera
Synonyms
  • Diphylleidae Cavalier-Smith 1993
  • Anisomonadea Cavalier-Smith 1993 emend. 2000[1]

Collodictyonidae (also Diphylleidae) is a group of aquatic, unicellular eukaryotic organisms with two to four terminal flagella. They feed by phagocytosis, ingesting other unicellular organisms like algae and bacteria. The most remarkable fact of this clade is its uncertain position in the tree of life.

Recent molecular analyses place Collodictyonids (e.g. Collodictyon) in a clade also containing Rigifilida and Mantamonadidae. This clade has been named CRuMs and is sister to Amorphea.[2][3]

Phylogeny

Scotokaryota

Metamonada Cavalier-Smith 1987 emend. Cavalier-Smith 2003

Opimoda

Ancyromonadida Cavalier-Smith 1998 emend. Atkins 2000

Malawimonadea Cavalier-Smith 2003

Podiata
Amorphea

Amoebozoa Lühe 1913 emend. Cavalier-Smith 1998

Obazoa

Breviatea Cavalier-Smith 2004

Apusomonadida Karpov & Mylnikov 1989

Opisthokonta

CRuMs[3]

Mantamonadida Cavalier-Smith 2004

Rigifilida Karpov & Mylnikov 1989

Diphylleida Cavalier-Smith 1993

Taxonomy

  • Class Diphyllatea Cavalier-Smith 2003 [Anisomonadea Cavalier-Smith 1993 emend. 2000;[1] Diphyllatia Cavalier-Smith 2003]
    • Order Diphylleida Cavalier-Smith 1993 [Collodictyonida]
      • Family Sulcomonadidae Cavalier-Smith 2012
        • Genus Sulcomonas Brugerolle 2006
          • Species S. lacustris Brugerolle 2006
      • Family Diphylleidae Cavalier-Smith 1993 [Collodictyonidae Brugerolle et al. 2002]
        • Genus Diphylleia Massart 1920 non Michaux 1803 [Aulacomonas Skuja 1939]
          • Species D. rotans Massart 1920 [Aulacomonas submarina Skuja 1939]
        • Genus Collodictyon Carter 1865
          • Species C. hongkongense Skvortzov 1968
          • Species C. indicum Iyengar 1981
          • Species C. oxycareni Franchini 1922
          • Species C. sparsevacuolatum Skuja 1956
          • Species C. triciliatum Carter 1865

References

  1. ^ a b Cavalier-Smith, Thomas (2000). "Chapter 17. Flagellate megaevolution: The basis for eukaryote diversification". In Leadbeater, Barry S. C.; Green, J. C. (eds.). The Flagellates: Unity, diversity and evolution (1st ed.). Taylor & Francis. pp. 361–390. doi:10.1201/9781482268225. ISBN 0-7484-0914-9.
  2. ^ Lax, Gordon; Eglit, Yana; Eme, Laura; Bertrand, Erin M.; Roger, Andrew J.; Simpson, Alastair G. B. (2018-11-14). "Hemimastigophora is a novel supra-kingdom-level lineage of eukaryotes". Nature. 564 (7736): 410–414. doi:10.1038/s41586-018-0708-8. ISSN 0028-0836. PMID 30429611. S2CID 205570993.
  3. ^ a b Brown, Matthew W; Heiss, Aaron A; Kamikawa, Ryoma; Inagaki, Yuji; Yabuki, Akinori; Tice, Alexander K; Shiratori, Takashi; Ishida, Ken-Ichiro; Hashimoto, Tetsuo (2018-01-19). "Phylogenomics Places Orphan Protistan Lineages in a Novel Eukaryotic Super-Group". Genome Biology and Evolution. 10 (2): 427–433. doi:10.1093/gbe/evy014. ISSN 1759-6653. PMC 5793813. PMID 29360967.
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