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Peer-reviewedCC BYZenodo (CERN European Organization for Nuclear Research)

Morphology and Phylogeny of Four Marine Scuticociliates (Protista, Ciliophora), with Descriptions of Two New Species: Pleuronema elegans spec. nov. and Uronema orientalis spec. nov.

  • Xuming Pan1
  • Jie Huang2
  • Xinpeng Fan3
  • Hongyu Ma1
  • Khaled A. S. Al‐Rasheid4
  • M. Miao5
  • Feng Gao1
5 affiliations
  1. 1Laboratory of Protozoology, Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao, 266003, China
  2. 2Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of Science, Institute of Hydrobiology, Chinese Academy of Science, Wuhan 430072, China
  3. 3School of Life Sciences, East China Normal University, Shanghai 200062, China
  4. 4Zoology Department, King Saud University, Riyadh 11451 Saudi Arabia
  5. 5College of Life Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
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Abstract

This dataset contains the digitized treatments in Plazi based on the original journal article Pan, Xuming, Huang, Jie, Fan, Xinpeng, Ma, Honggang, Al-Rasheid, Khaled A. S., Miao, Miao, Gao, Feng (2015): Morphology and Phylogeny of Four Marine Scuticociliates (Protista, Ciliophora), with Descriptions of Two New Species: Pleuronema elegans spec. nov. and Uronema orientalis spec. nov. Acta Protozoologica 54 (1): 31-43, DOI: 10.4467/16890027AP.15.003.2190, URL: https://www.mendeley.com/catalogue/322bdcf8-809d-3b96-97f8-c8858a43d243/ Abstract. The morphology and infraciliature of four marine scuticociliates, Pleuronema elegans spec. nov., P. setigerum Calkins, 1902, P. grolierei Wang et al., 2008 and Uronema orientalis spec. nov., collected from China seas, were investigated through live observation and protargol staining methods. Pleuronema elegans spec. nov. can be recognized by the combination of the following characters: size in vivo 90–115 × 45–60 µm, slender oval in outline with a distinctly pointed posterior end; about 10 prolonged caudal cilia; consistently two preoral kineties and 18 or 19 somatic kineties; membranelle 2a double-rowed with its posterior end straight; membranelle 3 three-rowed; one macronucleus; marine habitat. Uronema orientalis spec. nov. is distinguished by the following features: in vivo about 40–55 × 20–30 μm with a truncated apical plate; consis- tently twenty somatic kineties; membranelle 1 single-rowed and divided into two parts which comprise four and three basal bodies respectively; contractile vacuole pore positioned at the end of the second somatic kinety; marine habitat. We also provide improved diagnoses for P. grolierei Wang et al., 2008 and P. setigerum Calkins, 1902 based on current and previous reports. The small subunit rRNA gene of U. orientalis, P. elegans, P. grolierei and P. puytoraci were sequenced. Phylogenetic analyses indicate that Uronema and Pleuronema are not monophyletic.

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Cite

BibTeXRIS
BibTeX
@article{pan2026morphology,
  title = {{Morphology and Phylogeny of Four Marine Scuticociliates (Protista, Ciliophora), with Descriptions of Two New Species: Pleuronema elegans spec. nov. and Uronema orientalis spec. nov.}},
  author = {Xuming Pan and Jie Huang and Xinpeng Fan and Hongyu Ma and Khaled A. S. Al‐Rasheid and M. Miao and Feng Gao},
  journal = {Zenodo (CERN European Organization for Nuclear Research)},
  year = {2026},
  month = sep,
  doi = {10.15468/ewayv5},
  url = {https://zenodo.org/record/8356852},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Morphology and Phylogeny of Four Marine Scuticociliates (Protista, Ciliophora), with Descriptions of Two New Species: Pleuronema elegans spec. nov. and Uronema orientalis spec. nov.
AU  - Xuming Pan
AU  - Jie Huang
AU  - Xinpeng Fan
AU  - Hongyu Ma
AU  - Khaled A. S. Al‐Rasheid
AU  - M. Miao
AU  - Feng Gao
PY  - 2026
DA  - 2026/09/10
JO  - Zenodo (CERN European Organization for Nuclear Research)
DO  - 10.15468/ewayv5
UR  - https://zenodo.org/record/8356852
AB  - This dataset contains the digitized treatments in Plazi based on the original journal article Pan, Xuming, Huang, Jie, Fan, Xinpeng, Ma, Honggang, Al-Rasheid, Khaled A. S., Miao, Miao, Gao, Feng (2015): Morphology and Phylogeny of Four Marine Scuticociliates (Protista, Ciliophora), with Descriptions of Two New Species: Pleuronema elegans spec. nov. and Uronema orientalis spec. nov. Acta Protozoologica 54 (1): 31-43, DOI: 10.4467/16890027AP.15.003.2190, URL: https://www.mendeley.com/catalogue/322bdcf8-809d-3b96-97f8-c8858a43d243/ Abstract. The morphology and infraciliature of four marine scuticociliates, Pleuronema elegans spec. nov., P. setigerum Calkins, 1902, P. grolierei Wang et al., 2008 and Uronema orientalis spec. nov., collected from China seas, were investigated through live observation and protargol staining methods. Pleuronema elegans spec. nov. can be recognized by the combination of the following characters: size in vivo 90–115 × 45–60 µm, slender oval in outline with a distinctly pointed posterior end; about 10 prolonged caudal cilia; consistently two preoral kineties and 18 or 19 somatic kineties; membranelle 2a double-rowed with its posterior end straight; membranelle 3 three-rowed; one macronucleus; marine habitat. Uronema orientalis spec. nov. is distinguished by the following features: in vivo about 40–55 × 20–30 μm with a truncated apical plate; consis- tently twenty somatic kineties; membranelle 1 single-rowed and divided into two parts which comprise four and three basal bodies respectively; contractile vacuole pore positioned at the end of the second somatic kinety; marine habitat. We also provide improved diagnoses for P. grolierei Wang et al., 2008 and P. setigerum Calkins, 1902 based on current and previous reports. The small subunit rRNA gene of U. orientalis, P. elegans, P. grolierei and P. puytoraci were sequenced. Phylogenetic analyses indicate that Uronema and Pleuronema are not monophyletic.
ER  -