Pelagophycidae
Scientific classification Edit this classification
Domain: Eukaryota
Clade: Diaphoretickes
Clade: SAR
Clade: Stramenopiles
Phylum: Gyrista
Subphylum: Ochrophytina
Class: Dictyochophyceae
Subclass: Pelagophycidae
R.A.Andersen & G.W.Saunders 1993 ex Cavalier-Smith 2006[1]
Orders
  • Pelagomonadales
  • Sarcinochrysidales
Synonyms
  • Pelagophyceae Andersen & Saunders 1993
  • Sarcinochrysidae Cavalier-Smith 1993
  • Sarcinochrysidophyceae Van Den Hoek, Mann & Jahns 1995

Pelagophycidae is a subclass of heterokont algae.It is the sister group of the axodines.[2] Together, they form the class Dictyochophyceae.[1]

All known species are marine. They can be single-celled (coccoid or flagellate), palmelloid or filamentous. Some members (Pelagomonas) belong to picoplankton, and some other (Sarcinochrysis) are macroscopic attached organisms.[2]

The subclass contains 13 genera, 3 families and 2 orders (2017):[3][4]

  • Order Pelagomonadales Andersen & Saunders 1993
    • Family Pelagomonadaceae Andersen & Saunders 1993
      • genus Ankylochrysis Billard 1995
      • genus Aureococcus Hargraves & Sieburth 1988
      • genus Chrysophaeum Lewis & Bryan 1941 non Taylor 1951
      • genus Pelagococcus Norris 1977
      • genus Pelagomonas Andersen & Saunders 1993
  • Order Sarcinochrysidales Gayral & Billard 1977
    • Family Chrysocystaceae Melkonian, Yoon & Andersen 2018
      • genus Chrysocystis Lobban, Honda & Chihara 1995
      • genus Chrysoreinhardia Billard 2000
      • genus Sungminbooa Yoon & Andersen 2018
    • Family Sarcinochrysidaceae Gayral & Billard 1977
      • genus Andersenia Wetherbee & Waller 2015
      • genus Arachnochrysis Andersen & Han 2018
      • genus Aureoscheda Wynne & Andersen 2014
      • genus Aureoumbra Stockwell et al. 1997
      • genus Chrysonephos Taylor 1952
      • genus Nematochrysopsis Billard 2000
      • genus Pelagospilus Andersen & Graf 2018
      • genus Sarcinochrysis Geitler 1930
      • genus Sargassococcus Andersen & Han 2018

It is expected that molecular studies will add more species to this list.[2]

References

  1. 1 2 Cavalier-Smith, Thomas (2017). "Kingdom Chromista and its eight phyla: a new synthesis emphasising periplastid protein targeting, cytoskeletal and periplastid evolution, and ancient divergences". Protoplasma. 255 (1): 297–357. doi:10.1007/s00709-017-1147-3. PMC 5756292. PMID 28875267.
  2. 1 2 3 Wetherbee R.; Gornik S. G.; Grant B.; Waller R. F. (2015). "Andersenia, a genus of filamentous, sand-dwelling Pelagophyceae from southeastern Australia". Phycologia. 54 (1): 35–48. doi:10.2216/14-107.1.
  3. ↑ "Pelagophyceae". WoRMS. World Register of Marine Species. Retrieved 2017-06-13.
  4. ↑ Han, K.; Graf, L.; Reyes, C. P.; Melkonian, B.; Andersen, R. A.; Yoon, H. S.; Melkonian, M. (2018). "A Re-investigation of Sarcinochrysis marina (Sarcinochrysidales, Pelagophyceae) from its Type Locality and the Descriptions of Arachnochrysis, Pelagospilus, Sargassococcus and Sungminbooa genera nov". Protist. 169 (1): 79–10. doi:10.1016/j.protis.2017.12.004.
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