Acrochaetium sancti-thomae   Borgesen,  1915 (Algae)
Organism information awaits expert curation
Class: Florideophyceae

Plants to 0.2-0.3 mm tall, from a unistratose basal disk of more or less confluent filaments. Erect filaments simple or with 1-2 branches, below of cells 8-9 µ diameter, 16-18 µ long with an apparently central pyrenoid, but terminating in long hyaline deciduous hairs. Monosporangia generally sessile and uniseriate in long rows on the axes and branches, sometimes opposite, sometimes on stalks bearing 1-2 sporangia oval, ob-ovate, 7-10 µm.

Epiphytic on the leaves of Sargassum vulgare.

Synonym (s)
Chantransia sancti-thomae (Borgesen) De Toni, 1924
(Homotypic synonym)
Rhodochorton sancti-thomae (Borgesen) Nakamura, 1941
(Homotypic synonym)
Audouinella sanctae-thomae (Borgesen) Garbary, 1979
(Homotypic synonym)

Common Name (s)
Economic Importance and Threats

Habitat:  Coastal


• Andhra Pradesh, Vishakhapatnam INDIA

Literature Source(s)
  • 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
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Rao, MU (2006) Key to the identification of Indian red seaweeds Recent advances on applied aspects of Indian marine algae with reference to global scenario, volume 1. Seaweed taxonomic identification, aquaculture, resource, environment, fouling and disease Central Salt and Marine Chemicals Research Institute, Bhavnagar 46-140 Available at - NIO, Goa
  • (2006) Algaebase Available at -
  • 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
  • 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

Page last updated on:2011-05-05

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