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Galerie de l'Observatoire Océanologique de Villefranche-sur-Mer Aquaparadox: the diversity of planktonic microorganisms Métamorphes Microscopiques - Microscopic Shape Shifters = Polymorphism
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Aquaparadox: the diversity of planktonic microorganisms

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Date : 17/11/2010 Affichages : 36472

Métamorphes Microscopiques - Microscopic Shape Shifters = Polymorphism

Some change from day to night (right) others make various types of shells (left). Details inside.

Date : 19/07/2013
Taille : 24 éléments
Métamorphes Microscopic Shape Shifters
 
 
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Métamorphes Microscopic Shape Shifters

Métamorphes microscopique du plancton

Date : 19/07/2013
Affichages : 5927
Ceratium ranipes Morphological Cycle
 
 

Ceratium ranipes Morphological Cycle

Every day at dawn the cell makes its fingers, filled with chloroplasts like the leaves of a tree. Every evening the fingers are absorbed and the cell swims more quickly- perhaps making it harder to be caught and eaten.

Date : 26/07/2013
Affichages : 5247
Shifting to day morphology
 
 
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Shifting to day morphology

Ceratium ranipes growing it fingers in the early morning. 'T' shows the number of minutes from dawn.

Date : 17/04/2009
Affichages : 5139
Shifting to Night Morphology
 
 

Shifting to Night Morphology

Ceratium ranipes absorbing fingers in the early evening. 'T' shows the number of minutes from sundown

Date : 16/04/2009
Affichages : 5011
Ceratium ranipes changing from Night morphology to Day morphology
 
 

Ceratium ranipes changing from Night morphology to Day morphology

Date : 13/04/2009
Affichages : 5285
Ceratium ranipes changing from Day to Nite morphologies
 
 

Ceratium ranipes changing from Day to Nite morphologies

Date : 13/04/2009
Affichages : 5160
Ceratium candelabrum morphological variability
 
 

Ceratium candelabrum morphological variability

Ceratium candelabrum - cells from a clonal culture. Colored SEM elecronmicrographs.

Date : 29/06/2013
Affichages : 2956
Now Known as Cyttarocylis ampulla
 
 

Now Known as Cyttarocylis ampulla

The tintinnid now known as Cyttarocylis ampulla. Formerly known as distinct species in two genera of different families these are all the same species who simply makes different kinds of shells.

Date : 19/07/2013
Affichages : 4252
cyttarocylisdeepnetow31jan
 
 

cyttarocylisdeepnetow31jan

Cyttarocylis from a deep net tow (1000-300m) off Monaco on Jan 29 2019.

Date : 03/02/2019
Affichages : 3531
Three from one sample
 
 
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Three from one sample

Three individuals of what is now known as Cyttarocylis ampulla all from the same sample taken during the Tara Oceans expedition (Station 70, West Coast of Africa).

Date : 19/07/2013
Affichages : 4823
Cyttarocylis ampulla types from Pt B
 
 

Cyttarocylis ampulla types from Pt B

Different individuals in samples from the Bay of Villefranche, November 15 & December 02 2013.

Date : 16/12/2013
Affichages : 4944
Cyttarocylis types from a single sample
 
 

Cyttarocylis types from a single sample

Specimens from a sample taken on Feb 3rd 2014 at Point B Rade de Villefranche.

Date : 07/03/2014
Affichages : 4786
Amundsen Sea Cymatocylis Morphotypes
 
 
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Amundsen Sea Cymatocylis Morphotypes

Date : 27/12/2014
Affichages : 4497
Parafavella gigantea
 
 

Parafavella gigantea

Different morphologies of the Arctic tintinnid Parafavella gigantea. All specimens from the same plankton net tow in the North Pacific.

Date : 14/02/2016
Affichages : 4324
Parafavella parumdentata Morphs from the Arctic in 2014
 
 
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Parafavella parumdentata Morphs from the Arctic in 2014

Date : 08/05/2016
Affichages : 4452
Parafavella gigantea in 2015 St P7
 
 
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Parafavella gigantea in 2015 St P7

A variety of forms in Parafavella gigantea from a station in the North Pacific (ARA06 st. P7) in 2015

Date : 24/05/2016
Affichages : 4249
Parafavella parumdentata from a single plankton net tow in the Arctic in July 2016
 
 

Parafavella parumdentata from a single plankton net tow in the Arctic in July 2016

Date : 12/11/2016
Affichages : 4594
Varieties of Salpingacantha from a 2015 sample in the Chukchi Sea
 
 

Varieties of Salpingacantha from a 2015 sample in the Chukchi Sea

Varieties of Salpingacantha from a 2015 sample in the Chukchi Sea.

Date : 08/10/2017
Affichages : 3681
Varieties of Salpingacantha from a 2016 sample in the Chukchi Sea
 
 

Varieties of Salpingacantha from a 2016 sample in the Chukchi Sea

Varieties of Salpingacantha from a 2016 sample in the Chukchi Sea

Date : 08/10/2017
Affichages : 3641
Favella enhrenbergii forms from July 18 2016
 
 

Favella enhrenbergii forms from July 18 2016

Favella ehrenbergii variabilty

Date : 23/08/2016
Affichages : 3544
Forms of Favella ehrenbergii from the Etang de THau
 
 
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Forms of Favella ehrenbergii from the Etang de THau

Date : 01/12/2012
Affichages : 3777
Acanthostomell norvegica from a single sample (Chukchi Sea 2017, Station 34)
 
 

Acanthostomell norvegica from a single sample (Chukchi Sea 2017, Station 34)

Acanthostomell norvegica from a single sample (Chukchi Sea 2017, Station 34)

Date : 12/09/2021
Affichages : 2855
Morphological variability of Ptychocylis obtusa found in a single sample
 
 

Morphological variability of Ptychocylis obtusa found in a single sample

Morphological variability of Ptychocylis obtusa found in a single sample

Date : 12/09/2021
Affichages : 2797
Ceratium platycorne SEM micrograph
 
 

Ceratium platycorne SEM micrograph

Date : 07/05/2010
Affichages : 3228
 
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