Hydrosera

Hydrosera
Scientific classification
Domain: Eukaryota
Clade: Sar
Clade: Stramenopiles
Phylum: Ochrophyta
Clade: Diatomeae
Class: Bacillariophyceae
Order: Biddulphiales
Family: Biddulphiaceae
Genus:
Wallich, 1858
Type species
Hydrosera triquetra
Wallich, 1858
Species

11, see text

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 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. ^ a b Spaulding (2021). "Guide to Hydrosera". Diatom Research. 36 (4): 291โ€“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: 242โ€“253.
  4. ^ Deby, J. (1891). "Note sur le genre Hydrosera de Wallich". Journal de Micrographie (in French). 15: 209โ€“212.