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Ptychocylis minor
Date : 30/04/2010
Affichages : 1555
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Ptychocylis obtusa
Ptychocylis acuta from the Chukchi Sea
Date : 13/01/2013
Affichages : 997
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Ptychocylis acuta
Ptychocylis obtusa from the Chukchi Sea (St 22 of the cruise Araon 003)
Date : 13/01/2013
Affichages : 1028
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Ptychocylis obtusa
Ptychocylis acuta from the Chukchi Sea
Date : 03/02/2013
Affichages : 983
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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 : 1127
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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 : 1120
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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 : 1100
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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 : 1056
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Drawing from the original species description of Ptychocylis acuta by Brandt in 1896.
Date : 06/08/2011
Affichages : 1110
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Ptychocylis obtusa (variant)
Date : 28/11/2013
Affichages : 995
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Ptychocylis obtusa (elongate type)
Date : 30/11/2013
Affichages : 843
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coxliella form of Ptychocylis obtusa
Date : 30/11/2013
Affichages : 853
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Coxliella form of Ptychocylis obtusa
Date : 30/11/2013
Affichages : 899
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Ptychocylis obtusa (typical form)
Date : 30/11/2013
Affichages : 855
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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 : 748
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