Platysulcus

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Platysulcidae
)

Platysulcus
Scientific classification Edit this classification
Domain: Eukaryota
Clade: Diaphoretickes
Clade: SAR
Clade: Stramenopiles
Class: Platysulcea
Cavalier-Smith, 2017
Order: Platysulcida
Cavalier-Smith, 2017
Family: Platysulcidae
Shiratori, Nkayama & Ishida, 2015
Genus: Platysulcus
Shiratori, Nakayama & Ishida, 2015
Species:
P. tardus
Binomial name
Platysulcus tardus
Shiratori, Nkayama & Ishida, 2015

Platysulcus tardus (from

It is the only member of the family Platysulcidae, order Platysulcida and class Platysulcea.

Morphology

Platysulcus is a

mitochondria with tubular cristae. The basal body and the transitional region of the flagella lack ring-shaped or helical structures. The two flagellar roots consist of 11 microtubules forming an “L”-shape.[1]

Its cells are oval or ovoid in shape, around 5.62 μm in length and 3.76 μm in width. The anterior flagellum is around 9 μm in length, and the posterior measures around 17 μm. They contain

nucleus, mitochondria, and microbodies are found.[1]

Ecology

Platysulcus was isolated from sedimented detritus on

Phylogeny and taxonomy

Phylogeny

Phylogenetic analyses recover Platysulcea as the earliest diverging lineage of

Stramenopiles, sister to a clade containing Bigyra and Gyrista.[3]

Stramenopiles
Gyrista

Ochrophyta

Pseudofungi

Bigyromonadea

Bigyra

Platysulcus tardus

Taxonomy

Despite the phylogenetic results, Platysulcea has been classified as part of the phylum Bigyra.[4]

  • Class Platysulcea Cavalier-Smith, 2017
    • Order Platysulcida Cavalier-Smith, 2017
      • Family Platysulcidae Shiratori, Nkayama & Ishida, 2015
        • Platysulcus Shiratori, Nkayama & Ishida, 2015
          • P. tardus Shiratori, Nkayama & Ishida, 2015

References

External links