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Ptychocylis minor
Date : 30/04/2010
Affichages : 1442
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Ptychocylis obtusa
Ptychocylis acuta from the Chukchi Sea
Date : 13/01/2013
Affichages : 888
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Ptychocylis acuta
Ptychocylis obtusa from the Chukchi Sea (St 22 of the cruise Araon 003)
Date : 13/01/2013
Affichages : 956
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Ptychocylis obtusa
Ptychocylis acuta from the Chukchi Sea
Date : 03/02/2013
Affichages : 890
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Ptychocylis obtusa from the Chukchi Sea
Ptychocylis acuta from the Chukchi Sea (Station 18 of the Araon Cruise 003)
Date : 12/02/2013
Affichages : 1013
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Ptychocylis obtusa
Ptychocylis obtusa from the Chukchi in 2012, Ara003 cruise St 50. This elongated morphotype was about half the population.
Date : 28/03/2013
Affichages : 1012
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Ptychocylis species correctly sized
Dimensions of the most common Pytchocylis species based on the text of the original species descriptions.
Date : 27/11/2013
Affichages : 965
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Ptychocylis urnula from Claparède & Lachmann 1858
The type species of the genus Ptychocylis is P. urnula described originally by Claparède & Lachmann as Tintinnus urnula in 1858. Lorica dimensions given as averaging 140 µm in length and 100 µm in diameter.
Date : 24/11/2013
Affichages : 949
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Drawing from the original species description of Ptychocylis acuta by Brandt in 1896.
Date : 06/08/2011
Affichages : 1019
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Ptychocylis obtusa (variant)
Date : 28/11/2013
Affichages : 864
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Ptychocylis obtusa (elongate type)
Date : 30/11/2013
Affichages : 756
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coxliella form of Ptychocylis obtusa
Date : 30/11/2013
Affichages : 763
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Coxliella form of Ptychocylis obtusa
Date : 30/11/2013
Affichages : 804
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Ptychocylis obtusa (typical form)
Date : 30/11/2013
Affichages : 766
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Ptychocylis from almost North Pole!
Ptychocyis obtusa from above 80°N (2012 summer of record low sea-ice)
Date : 20/03/2015
Affichages : 644
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