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September 12, 202615 citationsOpen Access

Small Free-Living Heterotrophic Flagellates from Marine Sediments of Gippsland Basin, South-Eastern Australia

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WLWon Je Lee

Key Points

  • To identify, classify, and characterize the diversity of benthic heterotrophic flagellates across a wide bathymetric gradient and assess their global biogeography.
  • Sampled marine sediments across water depths spanning 25 m to 3000 m in the Gippsland Basin off south-eastern Australia.
  • Conducted morphotaxonomic analyses to characterize isolates across major protistan lineages and define novel taxa.
  • Identified 85 morpho-species belonging to apusomonads, cercomonads, cryptomonads, euglenids, heteroloboseids, stramenopiles, thaumatomonads, and incertae sedis protists.
  • Described three novel species (Ancyromonas impluvium, Kurnaimonas celeris, and Sinistermonas sinistrorsus) alongside one new combination (Psammosa unguis).
  • Biogeographical comparisons indicate that a substantial proportion of benthic heterotrophic flagellates maintain cosmopolitan distributions.

Abstract

This dataset contains the digitized treatments in Plazi based on the original journal article Lee, Won Je (2015): Small Free-Living Heterotrophic Flagellates from Marine Sediments of Gippsland Basin, South-Eastern Australia. Acta Protozoologica 54 (1): 53-76, DOI: 10.4467/16890027AP.15.005.2192, URL: https://www.mendeley.com/catalogue/2d9e5f2c-507d-342d-bf76-2776eae6f93a/ Abstract. A total of 85 morpho-species of heterotrophic flagellates are reported from sediments at depths from 25–3000 m in the Gippsland Basin (Australia). They are drawn from the apusomonads, cercomonads, cryptomonads, euglenids, heteroloboseids, stramenopiles, thaumatomonads, and groups of uncertain taxonomic affinities (Protista incertae sedis). Three new species, Ancyromonas impluvium nov. spec., Kurnaimonas celeris nov. spec., Sinistermonas sinistrorsus nov. spec., one combination, Psammosa unguis nov. comb., and one unidentified species are described. The biogeography of the species seen in Gippsland Basin is discussed with reference to studies in other localities. It appears that many heterotrophic flagellates are cosmopolitan.

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Cite This Study

Won Je Lee (2026) studied this question.

synapsesocial.com/papers/6aa51e69327956e4761f846dhttps://doi.org/10.15468/uvr3wf
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