Ancyromonadida

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Ancyromonadida
Ancyromonas.png
Ancyromonas
Scientific classification
Domain:
Eukaryota
Phylum:
Loukozoa
Order:
Ancyromonadida

Cavalier-Smith 1997 emend. Atkins 2000
Family
Synonyms
  • Planomonadida Cavalier-Smith 2008

Ancyromonadida or Planomonadida is a small group of biflagellated protists found in the soil and in aquatic habitats, where they feed on bacteria.[1][2] Includes freshwater or marine organisms, benthic, dorsoventrally compressed and with two unequal flagellae, each emerging from a separate pocket. The apical anterior flagellum can be very thin or end in the cell membrane, while the posterior flagellum is long and is inserted ventrally or laterally. The cell membrane is supported by a thin single layer teak and the mitochondrial crests are discoidal / flat.[3]

The group's placement is doubtful, as it seems to fall outside the five supergroups of Eukarya.[4] Cavalier-Smith considers that they constitute a basal group to Amoebozoa and Opisthokonta and places it together with other related groups in Sulcozoa.[5] However, they appear more basal than Malawimonas, placing them in Loukouzoa, possibly as stem podiates, and depending on the placement of the root position of the Eukaryotes.[6][7]

Phylogeny[]

Scotokaryota/Opimoda
 

Metamonada Cavalier-Smith 1987 emend. Cavalier-Smith 2003

 
 
 

Ancyromonadida Cavalier-Smith 1998 emend. Atkins 2000

 
 
 

Malawimonadea Cavalier-Smith 2003

 
Podiata
 

CRuMs[8]

 
Amorphea
 

Amoebozoa Lühe 1913 emend. Cavalier-Smith 1998

 
Obazoa
 

Breviatea Cavalier-Smith 2004

 
 
 

Apusomonadida Karpov & Mylnikov 1989

 
 

Opisthokonta

 
 
 
 
 
 
 
 

Taxonomy[]

Cladogram of Ancyromonadida[9]
 
 

 
 

P. brevis

 
 
 

P. bulbosa

 
 
 

P. elongata

 
 

P. micra

 
 
 
 
 
Ancyromonas
 
 

A. atlantica

 
 

A. indica

 
 
 
 

A. kenti

 
 

A. sigmoides

 
 
 
(Striomonas)

N. longa

 
(Nutomonas)
 

N. howeae

 
 

N. limna

 
 
 
 
 
  • Order Ancyromonadida Cavalier-Smith 1998 emend. Atkins 2000[9]
    • Family Cavalier-Smith 2008
      • Genus Glücksman & Cavalier-Smith 2013
        • Species Glücksman & Cavalier-Smith 2013
      • Genus Cavalier-Smith 2008 emend. Cavalier-Smith 2013
        • Species Glücksman & Cavalier-Smith 2013
        • Species Glücksman & Cavalier-Smith 2013
        • Species (Larsen & Patterson 1990) Cavalier-Smith 2008 [Bodo cephalopora Larsen & Patterson 1990; Ancyromonas cephalopora (Larsen & Patterson 1990) Heiss, Walker & Simpson 2010]
        • Species Glücksman & Cavalier-Smith 2013
        • Species (Simpson & Patterson 1996) Cavalier-Smith 2008 [Ancyromonas melba Patterson & Simpson 1996]
        • Species Cavalier-Smith 2008 [Ancyromonas micra (Cavalier-Smith 2008) Heiss, Walker & Simpson 2010]
    • Family Cavalier-Smith 1993 [Phyllomonadidae Hada 1968]
      • Genus Ancyromonas Kent 1880 [Phyllomonas Klebs 1892]
        • Species Skvortzov 1957
        • Species Glücksman & Cavalier-Smith 2013
        • Species (Klebs 1883) Lemmermann 1914 [Phyllomonas contorta Klebs 1883]
        • Species Lee 2015
        • Species Glücksman & Cavalier-Smith 2013
        • Species Glücksman & Cavalier-Smith 2013
        • Species Skvortzov 1957
        • Species Zhang & Yang 1993
        • Species Skvortzov 1957
        • Species Skvortzov 1958
        • Species Skvortzov 1957
        • Species Massart
        • Species Skvortzov1957
        • Species Skvortzov 1957
        • Species Skvortzov 1957
        • Species Kent 1880 sensu Heiss, Walker & Simpson 2010 [Planomonas mylnikovi Cavalier-Smith 2008]
        • Species Al-Qassab et al. 2002 [Planomonas sinistra (Al-Qassab et al. 2002) Cavalier-Smith 2008]
        • Species Skvortzov 1957
      • Genus Cavalier-Smith 2013
        • Subgenus (Striomonas) Cavalier-Smith 2013
          • Species Cavalier-Smith & Glücksman 2013
        • Subgenus (Nutomonas) Cavalier-Smith 2013
          • Species (Cavalier-Smith 2008) Glücksman & Cavalier-Smith 2013 [Planomonas howeae Cavalier-Smith 2008; Ancyromonas howeae (Cavalier-Smith 2008) Heiss, Walker & Simpson 2010]
            • Subspecies (Cavalier-Smith 2008) Glücksman & Cavalier-Smith 2013
            • Subspecies Glücksman & Cavalier-Smith 2013
          • Species (Cavalier-Smith 2008) Glücksman & Cavalier-Smith 2013 [Planomonas limna Cavalier-Smith 2008; Ancyromonas limna (Cavalier-Smith 2008) Heiss, Walker & Simpson 2010]
            • Subspecies (Cavalier-Smith 2008) Glücksman & Cavalier-Smith 2013
            • Subspecies Cavalier-Smith & Glücksman 2013

References[]

  1. ^ Cavalier-Smith, T. (2013). Early evolution of eukaryote feeding modes, cell structural diversity, and classification of the protozoan phyla Loukozoa, Sulcozoa, and Choanozoa. European journal of protistology, 49(2), 115-178.
  2. ^ Cavalier-Smith T, Chao EE, Stechmann A, Oates B, Nikolaev S (October 2008). "Planomonadida ord. nov. (Apusozoa): ultrastructural affinity with Micronuclearia podoventralis and deep divergences within Planomonas gen. nov". Protist. 159 (4): 535–62. doi:10.1016/j.protis.2008.06.002. PMID 18723395.
  3. ^ Adl, Sina M.; Simpson, Alastair G. B.; Lane, Christopher E.; Lukeš, Julius; Bass, David; Bowser, Samuel S.; Brown, Matthew W.; Burki, Fabien; Dunthorn, Micah; Hampl, Vladimir; Heiss, Aaron; Hoppenrath, Mona; Lara, Enrique; Le Gall, Line; Lynn, Denis H.; McManus, Hilary; Mitchell, Edward A. D.; Mozley-Stanridge, Sharon E.; Parfrey, Laura W.; Pawlowski, Jan; Rueckert, Sonja; Shadwick, Laura; Schoch, Conrad L.; Smirnov, Alexey; Spiegel, Frederick W. (2012). "The Revised Classification of Eukaryotes". Journal of Eukaryotic Microbiology. 59 (5): 429–514. doi:10.1111/j.1550-7408.2012.00644.x. PMC 3483872. PMID 23020233.
  4. ^ Burki, F. (2014). "The eukaryotic tree of life from a global phylogenomic perspective". Cold Spring Harbor Perspectives in Biology. 6 (5): 1–17. doi:10.1101/cshperspect.a016147. PMC 3996474. PMID 24789819.
  5. ^ Ruggiero, M. A., Gordon, D. P., Orrell, T. M., Bailly, N., Bourgoin, T., Brusca, R. C., Cavalier-Smith, T., Guiry, M.D. y Kirk, P. M. (2015). A Higher Level Classification of All Living Organisms.
  6. ^ Brown, Matthew W.; Heiss, Aaron; Kamikawa, Ryoma; Inagaki, Yuji; Yabuki, Akinori; Tice, Alexander K.; Shiratori, Takashi; Ishida, Ken; Hashimoto, Tetsuo (2017-12-03). "Phylogenomics places orphan protistan lineages in a novel eukaryotic super-group". Genome Biol Evol. 10 (2): 427–433. doi:10.1093/gbe/evy014. PMC 5793813. PMID 29360967.
  7. ^ Torruella, Guifré; Mendoza, Alex de; Grau-Bové, Xavier; Antó, Meritxell; Chaplin, Mark A.; Campo, Javier del; Eme, Laura; Pérez-Cordón, Gregorio; Whipps, Christopher M. (2015). "Phylogenomics Reveals Convergent Evolution of Lifestyles in Close Relatives of Animals and Fungi". Current Biology. 25 (18): 2404–2410. doi:10.1016/j.cub.2015.07.053. PMID 26365255.
  8. ^ 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.
  9. ^ a b Glücksman, Snell & Cavalier-Smith (2013). "Phylogeny and evolution of Planomonadida (Sulcozoa): Eight new species and new genera Fabomonas and Nutomonas". European Journal of Protistology. 49 (2): 179–200. doi:10.1016/j.ejop.2012.08.007. PMID 23369787.

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