Heteronema trispira

Heteronema trispira
Scientific classification Edit this classification
Domain: Eukaryota
Phylum: Euglenozoa
Class: Euglenida
Genus: Heteronema
Species:
H. trispira
Binomial name
Heteronema trispira
Matvienko, 1938

Heteronema trispira is a spirally twisted flagellated euglenoid from the genus Heteronema first described by Olexandra Matvienko in 1938.[1][2]

Description

Heteronema trispira has a spindle-shaped body up to 130 μm long, twisted into a spiral with three characteristic counterclockwise turns. It has a central nucleus, two long flagella and an apparently smooth periplast that tapers to a "snout-like" extension. The cell is filled with very small paramylon grains.[2]

One specimen was described as containing phagocytosed algae.[2]

Habitat and range

H. trispira is rare,[3]: 5  known only from a few isolated observations since 1938.[2] Observations have been recorded from wetlands in Ukraine,[1][4] Bulgaria[5] and Germany.[2] One cell was recorded from a freshwater lake in Florida.[3]: 17 

References

  1. ^ a b Matvienko, A.M. (1938). Materyiali do vivcheniya vodorostej URSR. I. [Contribution to the study of the algae of the UKR. SSR. I. Algae of the Sphagnum-Swamp "Klukvennoye"] (in Ukrainian). Uchen. Zap. Kharkyiv. derzh. Unyiv. 14: 29–78.
  2. ^ a b c d e Kreutz, Martin (2021). "Heteronema trispira (Matvienko, 1938)". Real Micro Life. Retrieved 13 November 2023.
  3. ^ a b Lackey, James; Phelps, Earle; Lackey, Elsie (1 January 1967). A Partial Checklist of Florida Fresh-Water Algae and Protozoa with Reference to McCloud and Cue Lakes (PDF). Water Resources Research Center.
  4. ^ Barinova, S.S.; Belous, E.P.; Tsarenko, P.M. (2019). [Algoindication of water bodies in Ukraine: methods and prospects] (in Russian). Haifa: University of Haifa Publisher.
  5. ^ Michev, T. (1998). Biodiversity of the Srebarna Biosphere Reserve: Checklist and Bibliography. Ministry of Environment and Waters. ISBN 9789546420480.

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