Mucropetraliella thenardii   (Audouin,  1826) (Bryozoan)
Organism information awaits expert curation
Class: Gymnolaemata

Zoarium small, encrusting. Zooecia delicate, long, convex, with inconspicuous septal lines. Spines generally 2-6, long. Slender. Orifice more or less circular, or wider than long. Lyrula narrow, bidentate, its sinuses wider than long, the lateral denticles recurved. Mucro unusually variable; long, cylindrical and simple, or with a lateral branch near its free end or more basally, on one or both sides; the branches sometimes with secondary branches. Lateral oral avicularia often on short raised columns. A large spatulate avicularium sometimes found, in connection with the mucro. Ovicells smaller than in most species of the genus, the lip considerably raised above the level of the operculum.

Synonym (s)
Flustra thenardii Audouin, 1826
Mucronella ellerii var. biaviculata Waters, 1887
Mucronella thenardii Thornely, 1905
Petralia laccadivensis Robertson, 1921
Petralia thenardii Canu and Bassler, 1929
Mucropetraliella thenardii Harmer, 1957

Common Name (s)
Economic Importance and Threats



• Lakshadweep INDIA (Record: 1921)
• Tamil Nadu, Chennai INDIA (Record: 1921)

Literature Source(s)
  • Menon, NR and Menon, NN (2006) Taxonomy of Bryozoa from the Indian EEZ. A monograph Ocean Science and Technology Cell on Marine Benthos, Kochi and Centre for Marine Living resources and Ecology, Kochi 263 pp Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:2010-10-01

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