Zonaria (alga)

Zonaria is a genus of thalloid brown alga comprising approximately 12 species. Specimens can reach around 25 cm in size, all of which exhibit a characteristic semi-circular growth pattern which produces distinct alternating patterns of darker and lighter tissue akin to tree rings. Zonaria produces tetraspores.

Zonaria
Scientific classification
Clade: SAR
Phylum: Ochrophyta
Class: Phaeophyceae
Order: Dictyotales
Family: Dictyotaceae
Genus: Zonaria
C. Agardh, 1817

Zonaria is widespread with some species being locally abundant upon shallow subtidal of rock reefs.

The species currently recognised are:

  • Zonaria angustata
  • Zonaria atomaria
  • Zonaria crenata
  • Zonaria diesingiana
  • Zonaria farlowii
  • Zonaria spiralis
  • Zonaria stipitata
  • Zonaria subarticulata
  • Zonaria tournefortii
  • Zonaria turneriana

The three Zonaria Australian species Z. turneriana, Z. crenata and Z. angustata produce phloroglucinol derivatives.[1]

References
  • Guiry, M.D.; Guiry, G.M. (2008). "Zonaria". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Retrieved 2009-02-21.
  1. Blackman, Adrian J.; Rogers, Glen I.; Volkman, John K. (1988). "Phloroglucinol Derivatives from Three Australian Marine Algae of the Genus Zonaria". J. Nat. Prod. 51 (1): 158–160. doi:10.1021/np50055a027.
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