Electronic Flora of South Australia Genus Fact Sheet

Genus STYLONEMA Reinsch 1875: 40

Phylum Rhodophyta – Class Bangiophyceae – Order Porphyridiales – Family Porphyridiaceae

Thallus erect, simple or laterally branched, often becoming subdichotomous, attached by an unspecialised basal cell. Cells fairly closely and regularly arranged within the mucilaginous sheath, uniseriate or becoming multiseriate, usually ovoid (often broader than long), each with a prominent stellate rhodoplast with a central pyrenoid.

Reproduction: Reproduction by release of vegetative cells.

Type species: S. cornu-cervi Reinsch 1875: 40.

Taxonomic notes: A genus of four species (Kajimura 1992b); the generic name is discussed by Wynne (1985).


KAJIMURA, M. (1992b). A new deep-water species of Stylonema (Stylonemataceae, Rhodophyta) from the Sea of Japan. Bot. Mar. 35, 415–418.

REINSCH, P.F. (1875). Contributiones ad Algologiam et Fungologiam. Vol. 1. (Leipzig.)

WYNNE, M.J. (1985). Nomenclatural assessment of Goniotrichum Kützing, Erythrotrichia Areschoug, Diconia Harvey, and Stylonema Reinsch (Rhodophyta). Taxon 34, 502–505.

The Marine Benthic Flora of Southern Australia Part IIIA complete list of references.

Author: H.B.S. Womersley

Publication: Womersley, H.B.S. (14 January, 1994)
The Marine Benthic Flora of Southern Australia
Rhodophyta. Part IIIA, Bangiophyceae and Florideophyceae (to Gigartinales)
Reproduced with permission from The Marine Benthic Flora of Southern Australia Part IIIA 1994, by H.B.S. Womersley. Australian Biological Resources Study, Canberra. Copyright Commonwealth of Australia.


1. Thallus consisting of uniseriate filaments

S. alsidii

1. Thallus filaments 2–5 (–8) cells thick with uniseriate base and apex

S. cornu-cervi

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