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A new member of the Euglenineæ,Protoeuglena Noctilucæ gen. et sp. nov., occurring inNoctiluca miliaris suriray, causing green discoloration of the sea off Calicut

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Proceedings / Indian Academy of Sciences

An Erratum to this article was published on 01 August 1954

Summary

A new marine member of the Euglenineæ,Protoeuglena noctilucæ gen. et sp. nov., is described in detail. The euglenoid occurs in very large numbers inside healthy and activeNoctiluca miliaris Sur. individuals which consequently appear green. SuchNoctiluca individuals occur in swarms frequently colouring the sea green in patches. The euglenoid is very simple in its structure. It is pear-shaped with a broad anterior end and a narrow posterior end and possesses a single flagellum, a single green plate-like chloroplast, a paramylon granule in close apposition to the chloroplast. And it shows a slight depression at the middle of its anterior end. This depression (invagination) very probably represents the beginnings of a gullet. It reproduces by longitudinal division. It appears to be a very primitive member of the class. Its association withNoctiluca appears to be symbiotic. It is suggested that this euglenoid is a most primitive member of the Euglenineæ coming very close to the ancestral type from which the rest of the Euglenineæ have been derived.

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Authors and Affiliations

  1. Central Marine Fisheries Research Sub- Station, Calicut-5

    R. Subrahmanyan

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  1. R. Subrahmanyan
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Additional information

Communicated by Dr. M. O. P. Iyengar,f.a.sc.

Published with the kind permission of the Chief Research Officer, Central Marine Fisheries Research Station, Mandapam Camp, S. India.

An erratum to this article is available at http://dx.doi.org/10.1007/BF03050401.

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Subrahmanyan, R. A new member of the Euglenineæ,Protoeuglena Noctilucæ gen. et sp. nov., occurring inNoctiluca miliaris suriray, causing green discoloration of the sea off Calicut. Proc. Indian Acad. Sci. 39, 118–127 (1954). https://doi.org/10.1007/BF03050392

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  • DOI: https://doi.org/10.1007/BF03050392

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