Zonaria (alga)

Zonaria
Scientific classification
Domain:	Eukaryota
Clade:	Diaphoretickes
Clade:	SAR
Clade:	Stramenopiles
Phylum:	Gyrista
Subphylum:	Ochrophytina
Class:	Phaeophyceae
Order:	Dictyotales
Family:	Dictyotaceae
Genus:	Zonaria; C. Agardh, 1817

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 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[edit]

Guiry, M.D.; Guiry, G.M. (2008). "Zonaria". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Retrieved 2009-02-21.

^ 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.

External links[edit]

Images of Zonaria at Algaebase
Museum of New Zealand: images

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[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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