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.

References:

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
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