Acetabularia crenulata   Lamouroux,  1816 (Algae)
Organism information awaits expert curation
Class: Ulvophyceae

Image copyrights: University of Washington Libraries

Plants up to 7 cm tall; discs at first funnel-shaped, later nearly flat, often 2-4 of successive ages superimposed, becoming 12-20 mm diameter; rays 30-80, closely united by moderate lime encrustations. The apices at first rounded, later truncate, the distal wall sometimes incrassate with an evident median apiculus, at least while young; lobes constituting the corona superior crowded, elongate, rounded or slightly indented peripherally, carrying 2 hair scars in a radial line. Lobes of the corona inferior also crowded, elongate, very deeply indented peripherally. Aplanospores to 500 in each sporangial ray 65-80 ยต diameter. Gametangia up to 48. Thallus solitary or in clusters, parasol shaped, moderately calcified; discs one or more, flat or cup shaped, stalk slender; holdfast small, pad-like.

Synonym (s)
Acetabularia caribaeum Lamarck, 1816
(Heterotypic synonym)
Acetabularia caraibica Kutzing, 1856
(Heterotypic synonym)
Acetabulum crenulatum (J. V. Lamouroux) Kuntze, 1891
(Heterotypic synonym)
Acetabulum caraibicum (Kutzing) M. A. Howe, 1901
(Heterotypic synonym)

Common Name (s)
Economic Importance and Threats

Habitat:  Reef Associated, Estuarine, Rocky, Coastal


• Andaman and Nicobar Islands, Andaman Islands INDIA
• Andaman and Nicobar Islands INDIA

Literature Source(s)
  • Sahoo, D; Nivedita and Debasish (2001) Seaweeds of Indian coast S. B. Nangia, A. P. H. Publishing Corporation, New Delhi 283 pp Available at - NIO, Goa
  • Hussain, MI and Khoja, TM (1993) Intertidal and subtidal blue green algal mats of open and mangrove areas in the Farasan Archipelago (Saudi Arabia), Red Sea Botanica Marina 36 377-388 Available at - NCL, Pune
  • Silva, PC; Basson, PW and Moe, RL (1996) Catalogue of the benthic marine algae of the Indian Ocean University of California Press 79 1259 pp Available at - NIO, Goa
  • Phang, SM (2006) Seaweed resources in Malaysia: Current status and future prospects 9(2) 185-202 Available at - NCL, Pune
  • Oza, RM and Zaidi, SH (2001) A revised checklist of Indian marine algae Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Digital collections University of Washington libraries Available at -
  • Krishnamurthy, V (2006) Key to the taxonomic identification of green and brown marine algae of India Recent advances on applied aspects of Indian marine algae with reference to global scenario. Seaweed taxonomic identification, aquaculture, resource, environment, fouling and disease Central Salt and Marine Chemicals Research Institute, Bhavnagar 1 1-146 Available at - NIO, Goa
  • Taylor, WR (1972) Marine algae of the eastern tropical and subtropical coasts of the Americas University of Michigan Press 870 pp Available at - NIO, Goa
  • (2006) Algaebase Available at -
  • Srivastava, MN and Mehrotra, BN (1990) Algal status of Andaman and Nicobar Islands Journal of the Andaman Science Association Andaman Science Association, Port Blair 6(2) 145-149 Available at - NIO, Goa
  • Rao, GC (1991) Distribution of plants and animals on the rocky sea shores of Andaman and Nicobar Islands Journal of the Andaman Science Association Andaman Science Association, Port Blair 7(2) 30-42 Available at - NIO, Goa
  • Littler, DS; Littler, MM and Brooks, BL (1995) Marine algae and seagrasses from the Tobacco Range Fracture Zone, Belize, C.A Atoll Research Bulletin Smithsonian Institution Press 429 1-43 Available at -

Page last updated on:2011-10-03

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