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Specimen from the Bay of Villefranche in Jan. 2003. Lugol's fixed cell.
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Specimen from the Bay of Villefranche in June 2010- lugol's-fixed.
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Salpingella faurei from the Amundsen Sea, Antarctica. Imaged using a 40x objective, sample courtesy of E.J. Yang.
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Salpingella faurei from the Amundsen Sea contracted inside its lorica. Bouin's-fixed specimen imaged using a 20x objective, sample courtesy of Eun Jin Yang.
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Salpingella faurei from the Chukchi Sea (Arctic).
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Chukchi Sea Salpingella faurei
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Specimen from the central med.
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Lugol's-fixed specimen from the Bay of Villefranche in Jan. 2011
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Tintinnopsis parvula. Specimens from the Ganges River estuary.
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Acanthostomella obtusa from the Amundsen Sea. Bouin's-fixed specimen imaged using a 60x objective from a sample courtesy of Eun Jin Yang
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Lugol's-fixed specimen from the Bay of Villefranche in Sept 2010. Images taken using a 60x objective and compiled using Helicon Focus
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A living specimen from the Bay of Villefranche on September 15th 2012. This species is often found carrying around a very large diatom. The relationship may be profitable to both: the tintinnid may be less easily eaten and the diatom becomes mobile, staying near the surface to allow photosynthesis. Read more about this odd couple in "Gómez, F. 2007. On the consortium of the tintinnid Eutintinnus and the diatom Chaetoceros in the Pacific Ocean. Marine Biology 151, 1899-1906
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Metacylis vitreoides from the Chukchi Sea (Arctic) in 2012. Only 2 individuals were found in all the samples from 2012 and none in 2011 samples. This large species was first described from the Barents Sea by Meunier and then by Ostenfeld from the Greenland Sea only to be finally be re-named by Kofoid & Campbell (1929). It is rarely seen.
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Dimensions of the most common Ptychocylis species based on the text of the original species descriptions. The length (black arrow) is the middle of the range given in Brandt 1896, Brandt 1906-1907. The grey arrow is the lorica oral diameter based on the total length (not given in the text of the discriptions). Brandt, rather than Claparède & Laachmann, is used for P. urnula because they did not state exactly what 'diameter' was.
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The defiant diatom is probably Biddulphia (according to Anne Thessen) and the tintinnid is Ptychocylis obtusa/urnula. From a sample taken in the Canada Basin in August 2013 by Eun Jin Yang.
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