Rhynchomonas nasuta (Stokes) Klebs 1892

A living cell (PC)


Life-form: Solitary with one long trailing flagellum and one very short anterior flagellum.

Size: Length 3-11µm, width 2-5 µm.

Resting spore: -

Note: Could be confused with Amastigomonas debruynei de Saedeleer

Distinctive features: The proboscis-like extension of the anterior part of the cell.

Similar species:

Distribution: Widely distributed both in fresh water and marine waters.

Larsen J. & Patterson, D. J. 1990. Some flagellates (Protista) from tropical marine sediments. J. Nat. Hist. 24: 801-937.

Patterson, D. J., Nygaard, K., Steinberg, G. & Turley, C. M. 1993. Heterotrophic flagellates and other protists associated with oceanic detritus throughout the water column in the mid North Atlantic. J. Mar. Biol. Ass. U.K. 73: 67-95.

Swale, E. M. F. 1973. A study of the colourless flagellate Rhynchomonas nasuta (Stokes) Klebs. Biol J. Linn. Soc. 5: 255-264.

Vørs, N. 1992a. Heterotrofe protister (ekskl. dinoflagellater, loricabærende choanoflagellater og ciliater). In: Thomsen, H. A. (ed.) Plankton i de indre danske farvande. Havforskning fra Miljøstyrelsen, Nr. 11, Copenhagen, p. 195-250.

Vørs, N. 1992b. Heterotrophic amoebae, flagellates and heliozoa from the Tvärminne area, Gulf of Finland, in 1988-1990. Ophelia. 36: 1-109.

  Copyright © 1996-2006, Mats Kuylenstierna & Bengt Karlson All rights reserved.
Last modified on 15 September, 2006

Swedish Meteorological and Hydrological Institute


Department of Marine Ecology, Göteborg University, Sweden