Hydrosera

Hydrosera is a genus of diatom described in 1858 by George Charles Wallich. Hydrosera exhibits valve margins resembling two superimposed triangles and the presence of a distinct rimoportula. Hydrosera also feature porefields at the three poles of one of the apparent triangles, which contain pseudocelli.[1] Dead Hydrosera create siliceous oozes.[2]

Hydrosera
Scientific classification Edit this classification
Domain: Eukaryota
Clade: Diaphoretickes
Clade: SAR
Clade: Stramenopiles
Phylum: Bacillariophyta
Class: Mediophyceae
Order: Biddulphiales
Family: Biddulphiaceae
Genus: Hydrosera
Wallich, 1858
Type species
Hydrosera triquetra
Wallich, 1858
Species

11, see text

Hydrosera grows in the streams of southern coastal areas and tropical islands.[1]

Species
  • Hydrosera boryana Pantocsek, 1889
  • Hydrosera brasiliensis Zimmerman, 1918
  • Hydrosera compressa Wallich, 1858[3]
  • Hydrosera javanica (Cleve)
  • Hydrosera mauritiana Bergon, 1890
  • Hydrosera novaecaesarae Boyer, 1895
  • Hydrosera tricornuta Stolterfoth, 1881
  • Hydrosera tricoronata Stolterfoth, 1881
  • Hydrosera trifoliata Cleve, 1881
  • Hydrosera triquetra Wallich, 1858
  • Hydrosera whampoensis (A.F. Schwarz) Deby, 1891[4]

References
  1. Spaulding (2021). "Guide to Hydrosera". Diatom Research : The Journal of the International Society for Diatom Research. 36 (4): 291–304. doi:10.1080/0269249X.2021.2006790. PMC 9359083. PMID 35958044. Retrieved 15 August 2023.
  2. "Hydrosera G. C. Wallich 1858". eol.org. Retrieved 28 September 2023.
  3. Wallich, G.C. (1858). "On Triceratium and some allied forms (Hydrosera)". Quarterly Journal of Microscopical Science, London. 6: 242–253.
  4. Deby, J. (1891). "Note sur le genre Hydrosera de Wallich". Journal de Micrographie (in French). 15: 209–212.
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