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Fig1a : Favella ehrenbergii Line drawing of lorica morphology after Marshall, 1969;
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Favella Ehrenbergii (as Tintinnus ehrenbergii) based on specimens found near Bergen, Norway; text is on pp 203-204. Plate 8 legend states that the drawings are of the same individual: the cell extended vibrating its cilia, the cell contracted within the lorica. 'vc' denotes contractile vacuole and 'w' 'anus' or cytoproct. From Claparde, E., Lachmann, J. 1858-1860. Etudes sur les infusoires et les rhizopodes. Mmoires de l'instut Genevois, 5, 6 & 7.
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Specimen from the Canada Basin in August 2013. The lorica is slightlly longer than the average.
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Fig1b: Favella ehrenbergii Line drawing of lorica morphology after Kofoid & Campbell, 1929
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Forms of Favella ehrenbergii from the Etang de Thau near Montpellier, France in june 2012. The specimens were all found in samples from a mesocosm experiment (WarmAcid). They appear to be variants of Favella ehrenbergii.
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Drawing from the original description by Brandt (1896). The black arrow showing length of 120 m is the median of the length range given in the text (pg 59). The grey arrow showing lorica oral diameter of 70 m (not given in the text) is based on the length value.
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Fig 4: Favella ehrenbergii Replacement (coxlielliform) lorica, showing spirals and ciliate cell.
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Lorica or shell shape is somewhat variable in Favella - this one added an extra flare to its house. Specimen from the WarmAcid experiment in Sète in 2012.
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Image by Charles Bachy of a specimen from the Rade de Villefranche
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Specimen from the Scripps Canyon area in July 2009
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Specimen from the Etang de Thau (Sète, France). Imaged using a 20x objective, lugol's-fixed sample.
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From the Etang de Thau (Sète, France) in May 2012.
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From the Etang de Thau (Sète, France) in May 2012.
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The specimens were all found in samples from the mesocosm experiment WarmAcid. They appear to be variants of a single species, Favella ehrenbergii.
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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.
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From the Amundsen Sea
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Bouin's-fixed specimen from the Amundsen Sea, Antarctica- sample provide by Eun Jin Yang
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Specimen from the Amundsen Sea, bouin's-fixed. Compiled image made from 15 images (20x objective) using Helicon Focus.
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Bouin's-fixed specimen from tha Amundsen Sea, Antarctica. Sample provided by Eun Jin Yang.
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Cymatocylis affinis/convallaria. Specimen was not well-preserved but the lorica characteristics are apparent.