Olisthodiscus

Olisthodiscus
Scientific classification
Domain: Eukaryota
Clade: Diaphoretickes
Clade: Sar
Clade: Stramenopiles
Phylum: Ochrophyta
Class: Olisthodiscophyceae
Barcytė, Eikrem & M. Eliáš, 2021
Order: Olisthodiscales
Cavalier-Smith, 2013 emend. Barcytė, Eikrem & M. Eliáš, 2021
Family: Olisthodiscaceae
Cavalier-Smith, 2013 emend. Barcytė, Eikrem & M. Eliáš, 2021
Genus: Olisthodiscus
Carter 1937
Type species
Olisthodiscus luteus
Carter 1937
Species
  • Olisthodiscus luteus
  • Olisthodiscus tomasii

Olisthodiscus is a genus of heterokont algae, present in marine or brackish waters. It is the only genus in the family Olisthodiscaceae, the order Olisthodiscales, and the class Olisthodiscophyceae. After a long history of controversial classifications, in 2021 it was recognized as a phylogenetically distinct lineage from the rest of ochrophyte classes.