Rhynchozoon tubulosum   (Hincks,  1880) (Bryozoan)
Organism information awaits expert curation
Class: Gymnolaemata

Size (Zooecium): Length 420 µ; breadth 170 µ.

Encrusting with the distal ends of zooecia raised from surface in the young condition. Zooecia arranged in quincunx, convex, separated by distinct grooves. Peristome conceals the primary orifice which is rounded with a slightly arched proximal border. Sinus wide and shallow. Conspicuous mucros present, usually three in number but in some, there may be only two. Mucros very conspicuous, usually long, the median one associated with the two lateral ones when the number of mucros is three. The median mucro may be flat or knob like, while the lateral ones comparatively shorter than the median one. Sub-oral avicularia rarely represented. Frontal avicularium large, placed horizontally, the tip directed proximally, rostrum with a rounded tip. Ovicells hyperstomial, the ectooecium calcified and imperforate, represented as a narrow rim. The exposed frontal surface of the ovicell bears tubercles.

Synonym (s)
Mucronella tubulosa Hincks, 1880
Rhynchopora longirostris Hincks, 1881
Mucronella tubulosa Thornely, 1905
Rhynchozoon longirostre Hastings, 1930
Rhynchozoon longirostre Hastings, 1932
Rhynchozoon tubulosum Harmer, 1957
Rhynchozoon tubulosum Menon and Nair, 1967

Common Name (s)
Economic Importance and Threats



• Kerala, Off Chavara INDIA (Record: 12/12/1958) (Depth: 45 mts)

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 - http://www.marinespecies.org
  • Menon, NR and Nair, NB (1967) The ectoproctous bryozoans of the Indian waters Journal of the marine biological association of India The marine biological association of India 9(2) 430-432 Available at - NIO, Goa

Page last updated on:2011-06-01

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