''Pinguiococcus'' is a genus within Ochrophytina, a group of algae that also includes

brown algae Brown algae (: alga) are a large group of multicellular algae comprising the class (biology), class Phaeophyceae. They include many seaweeds located in colder waters of the Northern Hemisphere. Brown algae are the major seaweeds of the temperate ...

(seaweeds) and

diatoms A diatom (Neo-Latin ''diatoma'') is any member of a large group comprising several Genus, genera of algae, specifically microalgae, found in the oceans, waterways and soils of the world. Living diatoms make up a significant portion of Earth's B ...

. The genus includes a single species, ''Pinguiococcus pyrenoidosus,'' which was first described in 2002.

References

Ochrophyta Monotypic algae genera Ochrophyte genera {{Heterokont-stub