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Undella (un-dell-a) is a tintinnid ciliate, in which the ciliate lives in a lorica. Species of Undella have a simple lorica, no adhering material, pedicels etc. The cell has contracted into the lorica, but the cilia of the adoral zone of membranelles are evident. Phase contrast.
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Tintinnopsis campanula.
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Codonella campanella.
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This tintinnid is about 400 microns long. This Lugol's-preserved specimen was found in samples from the South Pacific
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This tintinnid was found in a sample from the Eastern Mediterrean Sea in September
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Dictyocysta in lorica. Image by John Dolan.
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Tintinnopsis davidoffi.
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A conjugating pair of Acanthostomella norvegica from the Chukchi Sea in 2012. Z stack of images made with a 60x objective, DIC optics, lugol's preserved specimens.
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From the Bay of Villefranche in December 2013, lugol's-fixed specimen, Z-stack of images made using a 60x objective and DIC optics.
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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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A living specimen retracted into its lorica (shell) and an empty lorica. From the Bay of Villefranche. Z-stack of photomicrographs made using a 20x objective and DIC optics.
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Specimen lugol's-fixed from the Ionian Sea.
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The species was described by Charles A. Kofoid in 1905 from the same area was this specimen was found, now know as Scripp's Canyon off San Diego, CA, in July 2009. Lugol's-fixed specimen.
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Drawing from the original description as Cyttarocylis edentata var. parumdentata by Karl Brandt (1906). Dimensions based on magnification given in the plate legend and the stated dimension of a figure in the preceding plate, given in the text, along with its magnification.
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Grove, O, Galicia, Spain
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Parafavella elegans from the Canada Basin (Arctic) in August 2013. Lugol's-fixed specimen, Z-stack of images made using a 20x objective and DIC optics
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Figure from the original description of Wangiella dicollaria in Nie, D. 1934. Notes on Tintinnoinea from the Bay of Amoy. MBAC Third Annual Report pp. 71-80.
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Brandt described the species now known as Parafavella gigantea. Illustration from: Brandt, K. 1896. Die Tintinnen. Bibliotheca Zoologica, 20: 45-72.
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Description: From Daday 1887 described as Tintinnus inquilinus, Plate 18, fig. 2.
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Lardero, La Rioja, Spain
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Specimen from the Amundsen Sea (Antarctica)
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Codonaria cistellula from the Bay of Villefranche in October 2014. Z-stack of images made using a 20x objective and DIC optics, lugol's-fixed specimen.
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Miranda do Douro, Bragana, Portugal
