Intramacronucleata

Fig 5: Tontonia gracillima Lugol?s fixed and DAPI stained cell, illustrating nuclear shape

Fig 6: Tontonia gracillima Protargol stain, showing fragmented macronucleus and polykinetids. Left lateral side

Fig 7: Tontonia gracillima Protargol stain, showing fragmented macronucleus and polykinetids. Left lateral side

Fig 8: Tontonia gracillima protargol stain, ventral view

Fig 9: Tontonia gracillima Lugol's fixed cell, ventrolateral view, the tail is lost due to fixation, only the indentation is visible

Fig 10: Tontonia gracillima Lugol's fixed cell, ventrolateral view, the tail is lost due to fixation, only the indentation is visible

Fig 1 Line drawing of a protargol stained cell.

Fig 2: Lugol?s fixed cells, lateral view, partly with deformation due to fixation

Fig 3: Lugol?s fixed cells, lateral view, partly with deformation due to fixation, the posterior part of the cell broke off.

Fig 4: Lugol?s fixed cells, lateral view, partly with deformation due to fixation

Fig 5: Lugol?s fixed cells, lateral view, partly with deformation due to fixation

Fig 6 Lugol?s fixed and DAPI stained cell, illustrating nuclear fragmentation; the red background fluorescence of the cytoplasm is due to the sequestered chloroplasts.

Fig 7 SEM of Lugol?s fixed cells with characteristic shape, lateral view.

Fig 8: Protargol stained cells, lateral view.

Fig 9: Protargol stained cells, ventral view.

Fig 10: Image of Lugol?s fixed cells, partly showing fixation artefacts, lateral view.

Fig 11: Image of Lugol?s fixed cells, partly showing fixation artefacts, lateral view.

Fig 12: Image of Lugol?s fixed cells, partly showing fixation artefacts, lateral view.

Fig 13 SEM image of the oral region.

Found in a sample from the Bering Sea taken by Diane Stoecker.

Lugol's-fixed specimen from the Bay of Villefranche in Feb 2003

Specimen found in the Bay of Villefranche in April 2010

Specimen from the Etang de Thau (Sète, France) in May 2012.