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Scientific classification
Kingdom: Chromalveolata
Phylum: Cryptophyta
Order: Cryptomonadales
Family: Cryptomonadaceae
Genus: Plagioselmis
Butcher, 1967

Plagioselmis is a genus of cryptophytes, including the species Plagioselmis prolonga,[1] Plagioselmis punctata[2] and Plagioselmis nanoplantica.[3]

Plagioselmis was first described by Butcher in 1967 as a saltwater life form. In 1994, Novarino placed the freshwater Rhodomonas minuta into the genus, giving it the new binomial name of Plagioselmis nanoplantica. Nanoplantica is the only freshwater species in this genus.[3] Rhodomonas was first described by Klaveness, who agreed with the reclassification.[4]

The cells are comma-shaped and appear red or similar colors. Some strains within the genus appear to have a furrow, while other do not. Researchers have suggested that those without furrows should be placed into a new genus.[3]


  1. Lua error in Module:Citation/CS1/Identifiers at line 47: attempt to index field 'wikibase' (a nil value).
  2. "Plagioselmis". Integrated Taxonomic Information System.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  3. 3.0 3.1 3.2 Wehr, John D.; Sheath, Robert G.; Kociolek, J. Patrick (2015-06-05). Freshwater Algae of North America: Ecology and Classification. Elsevier. p. 840. ISBN 9780123858771.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  4. Archiv für Hydrobiologie: Supplement volume. E. Schweizerbart. 2001-01-01. p. 112.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>