Platysulcus

Platysulcus
Scientific classification
Domain: Eukaryota
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 Latin platy 'wide' and sulcus 'furrow') is a eukaryotic microorganism discovered in 2015 to be the earliest diverging lineage of the stramenopile phylogenetic tree. It is the only member of the family Platysulcidae, order Platysulcida and class Platysulcea.