Dartintinnus alderae n. g., n. sp., a Brackish Water Tintinnid (Ciliophora, Spirotrichea) with Dual‐ended Lorica Collapsibility

@article{Smith2018DartintinnusAN,
  title={Dartintinnus alderae n. g., n. sp., a Brackish Water Tintinnid (Ciliophora, Spirotrichea) with Dual‐ended Lorica Collapsibility},
  author={Susan A Smith and Wen Song and Nelly Gavrilova and Alexander V. Kurilov and Weiwei Liu and G B McManus and Luciana F Santoferrara},
  journal={Journal of Eukaryotic Microbiology},
  year={2018},
  volume={65}
}
A tintinnid ciliate isolated from waters of the Thames River (Connecticut, USA) is described through combined in vivo observation, protargol impregnation, and phylogenetic analysis. The novel genus Dartintinnus and its type species, D. alderae are distinct from established tintinnid taxa by a lorica that collapses on both anterior and posterior ends. Dartintinnus is placed in the family Eutintinnidae based on a hyaline, elongated lorica opened at both ends, a ciliary pattern including a ventral… 
Redescriptions of three tintinnine ciliates (Ciliophora: Tintinnina) from coastal waters in China based on lorica features, cell morphology, and rDNA sequence data.
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Three species of tintinnines, namely T. tentaculata Nie and Cheng, 1947, Tintinnopsis orientalis Kofoid and Campbell, 1929, and Eutintinnus lususundae, were isolated from coastal waters of China and the ciliary patterns of these species are revealed for the first time.
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The study shows that T. mucicola is not only molecularly distinct, but also characterised by many plesiomorphic features, for instance, it does not possess a verifiable homologue to the ventral organelles, and establishes a new genus, Antetintinnidium nov. gen.
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TLDR
It is inferred that the ciliary tuft and details such as the commencement of the rightmost kinety in the lateral ciliary field are synapomorphies that may help clarify the systematics of Tintinnopsis -like taxa.
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Phylogenetic analyses, based on SSU rRNA gene sequence data, reveal that P. fallax and L. viride cluster with Strombidium species while the result of an AU test did not reject the possibility of monophyly of the family Pelagostrombidiidae.
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TLDR
The phylogenetic analyses support the assertion that cytological characters are taxonomically informative for tintinnines and contribute to the broadening of the understanding of the tintinnine biodiversity and evolution.
Integrative Taxonomy and Molecular Phylogeny of Three Poorly Known Tintinnine Ciliates, with the Establishment of a New Genus (Protozoa; Ciliophora; Oligotrichea)
  • Rui Wang, Yang Bai, Tao Hu, Dapeng Xu, Toshikazu Suzuki, Xiaozhong Hu
  • 2020
Background: The taxonomic classification of the suborder Tintinnina Kofoid & Campbell, 1929, a species-rich group of planktonic ciliated protozoans with characteristic lorica, is very ambiguous for
Invasive alien species of tintinnid ciliates from the northeastern Black Sea, Russian and Abkhazian coast
The taxonomic composition and dynamics of numerical density of alien tintinnid species in the bays and harbours of the northeastern Black Sea were studied. The highest number of non-indigenous
Morphological redescriptions and neotypification of two poorly known tintinnine ciliates (Alveolata, Ciliophora, Tintinnina), with a phylogenetic investigation based on SSU rRNA gene sequences.
TLDR
Two poorly known tintinnine ciliates collected from the coastal waters of PR China were redescribed and neotypified using live observation, protargol staining and SSU rRNA gene sequencing and phylogenetic analyses suggested that the genus Tintinnopsis is polyphyletic and the genus Codonellopsis is non-monophyletic.
Symbioses of Ciliates (Ciliophora) and Diatoms (Bacillariophyceae): Taxonomy and Host–Symbiont Interactions
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Symbioses allow sessile peritric ciliates to extend their distribution in the pelagic environment, permit boreal-polar related diatoms such as C. coarctatus or Fragilariopsis doliolus to inhabit tropical seas, and help large diatOMs to extended their survival under unfavorable conditions.
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