Electronic Flora of South Australia Genus Fact Sheet

Genus ACETABULARIA Lamouroux 1812: 185, nom. cons.

Phylum Chlorophyta – Order Dasycladales – Family Polyphysaceae

Thallus single or clumped, stalk often calcified, bearing whorls of colourless hairs and a summit whorl of gametangial rays which are laterally and firmly united to form a shallow disc or cup. Superior and inferior coronas both present, the superior corona producing hairs.

Reproduction: Reproduction by cysts formed in the gametangial rays, liberating iso- or anisogametes.

Type species: A. acetabulum (Linnaeus) Silva.

Taxonomic notes: A genus of some 9 species (Valet 1969, p. 605), distributed almost entirely in tropical-subtropical seas. One species only occurs in restricted habitats on southern Australian coasts.


LAMOUROUX, J.V.F. (1812). Sur la classification des Polypiers coralligènes non entièrement pierreux. Nouv. Bull. Sci. Soc. Philom. Paris 3, 181–188.

VALET, G. (1969). Contribution a l'étude des Dayscladales 2. Cytologie et reproduction. 3. Révision systématique. Nova Hedwigia 17, 551–644, Plates 133–162.

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

Author: H.B.S. Womersley

Publication: Womersley, H.B.S. (31 May, 1984)
The Marine Benthic Flora of Southern Australia
Part I
©Board of the Botanic Gardens and State Herbarium, Government of South Australia

Disclaimer Copyright Disclaimer Email Contact:
State Herbarium of South Australia
Government of South Australia Government of South Australia Department for Environment and Water