Galdieriaceae

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Galdieriaceae
Scientific classification Red Pencil Icon.png
(unranked): Archaeplastida
Division: Rhodophyta
Class: Cyanidiophyceae
Order: Cyanidiales
Family: Galdieriaceae
Merola 1981 [1]
Genus and species [2] [3]

Galdieriaceae is a family of red algae, one of two families in the order Cyanidiales. [4]

Red algae division of algae, red algae

Red algae, or Rhodophyta, are one of the oldest groups of eukaryotic algae. The Rhodophyta also comprises one of the largest phyla of algae, containing over 7,000 currently recognized species with taxonomic revisions ongoing. The majority of species (6,793) are found in the Florideophyceae (class), and mostly consist of multicellular, marine algae, including many notable seaweeds. Approximately 5% of the red algae occur in freshwater environments with greater concentrations found in warmer areas. Except for two coastal cave dwelling species in the asexual class Cyanidiophyceae, that diverged from other red algae about 1.3 billion years ago, there are no terrestrial species, which may be due to an evolutionary bottleneck where the last common ancestor lost about 25% of its core genes and much of its evolutionary plasticity.

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References

  1. ↑ Merola, A., Castaldo, R., DeLuca, P., Gambardella, R., Musacchio, A. & Taddei, R. (1982 '1981'). Revision of Cyanidium caldiarum. Three species of acidophilic algae. Giornale Botanico Italiano 115: 189-195.
  2. ↑ Guiry, M.D. & Guiry, G.M. (2019). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry). Galdieriaceae. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=599628 on 2019-05-23
  3. ↑ Guiry, M.D. & Guiry, G.M. (2019). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry). Galdieria Merola, 1982. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=600738 on 2019-05-23
  4. ↑ Joseph Seckbach; David J. Chapman (30 August 2010). Red Algae in the Genomic Age. Springer. pp. 250–. ISBN   978-90-481-3794-7 . Retrieved 31 January 2011.


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