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  • Articles  (2)
  • Open Access-Papers  (2)
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  • Articles  (2)
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  • 1
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    The cyst-theca relationship of the dinoflagellate cystTrinovantedinium pallidifulvum, with erection ofProtoperidinium lousianensissp. nov. and their phylogenetic position within theConicagroup (2016)
    In:  EPIC3Palynology, pp. 1-20, ISSN: 0191-6122
    Details
    Publication Date: 2016-10-25
    Description: We establish the cyst-theca relationship of the cyst species Trinovantedinium pallidifulvum Matsuoka 1987 based on germination experiments of specimens isolated from the Gulf of Mexico. We show that the motile stage is a new species, designated as Protoperidinium louisianensis. We also determine its phylogenetic position based on single-cell PCR of a single cell germinated from the Gulf of Mexico cysts. To further refine the phylogeny, we determined the LSU sequence through single-cell PCR of the cyst Selenopemphix undulata isolated from Brentwood Bay (Saanich Inlet, BC, Canada). The phylogeny shows that P. louisianensis is closest to P. shanghaiense, the motile stage of T. applanatum, and is consistent with the monophyly of the genus Trinovantedinium. Selenopemphix undulata belongs to a different clade than Selenopemphix quanta (alleged cyst of P. conicum), suggesting that the genus Selenopemphix is polyphyletic.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 2
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    Modern dinoflagellate cysts found in surface sediments of Santa Cruz Island, Galapagos (2021)
    In:  http://aquaticcommons.org/id/eprint/9965 | 704 | 2012-09-12 19:07:32 | 9965 | Fundacion Charles Darwin Foundation
    Details
    Publication Date: 2021-06-27
    Description: Modern dinoflagellate cysts in surface sediments collected on Santa Cruz Island, Galapagos, are described, along withother palynomorphs such as microforaminiferal linings, tintinnid loricae, copepod eggs and acritarchs includingDomasiella-like micro-remains and Halodinium spp. The dinoflagellate cyst assemblages mainly consisted of Spiniferites cf. scabratus (gonyaulacoid) followed by Brigantedinium spp. and Selenopemphix quanta (peridinioids). No gymnodinioid cysts were found. No remarkable differences in cyst composition and densities were recognized between stations. The cyst assemblages were characterized by low species diversity and low cyst concentrations in comparison with the Pacific coast of Guatemala and Peru. CDF Contribution Number 1019.
    Description: Japan Fund for Global Environment
    Keywords: Biology ; Oceanography ; dinoflagellates ; cysts ; Spiniferites ; Peridiniales ; Isla Santa Cruz ; Galapagos
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 8-11
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