Halysis

Halysis is a genus of red alga thought to fall in the coralline stem group. It has only been recovered in thin sections, and thus is only known in two dimensions; however, an interpretation as a sheet of cells rather than a sheet of tubes or a single row of cells is the most plausible.[1]

Halysis
Temporal range: Mid Ordovician
Scientific classification
(unranked): Archaeplastida
Division: Rhodophyta
Class: Florideophyceae
Stem group: Corallinales
Genus: Halysis
HØeg, 1932
Species
  • H. moniliformis HØeg, 1932 (type)
  • H. yui (Bian and Liu, 1999) Riding & BRaga, 2005

See also

References

  1. Riding, R.; Braga, J. C. (2005). "Halysis Høeg, 1932 — An Ordovician coralline red alga?". Journal of Paleontology. 79 (5): 835. doi:10.1666/0022-3360(2005)079[0835:HHAOCR]2.0.CO;2. ISSN 0022-3360.


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