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- Title
Redescription of Strombidium coronatum (Leegaard, 1915) Kahl, 1932 (Ciliophora, Spirotricha) Based on Live Observation, Protargol Impregnation, and Scanning Electron Microscopy.
- Authors
AGATHA, Sabine
- Abstract
The oligotrichid ciliate Strombidium coronatum (Leegaard, 1915) Kahl, 1932 is redescribed from plankton samples taken in the Irish Sea, using live observation, protargol impregnation, and scannin electron microscopy. The species is characterized by a conspicuous, uniquelly shaped peristome, which is flat and roughly triangular and extends in the sagittal plane. The Irish Sea specimens measure ~ 45 × 25 µm in vivo and ~ 40 × 24 µm after protargol impregnation. The girdle kinety is equatorial, ostensibly continuous, and composed of ~ 100 dikinetids. The ventral kinety extends longitudinally on the posterior fifth of the cell and is composed of about five dikinetids. Theadoralzone of membranelles is widely open and composed of ~ 18 collar and ~ 12 buccal membranelles; the collar portion is disconnected from the buccal portion. The shape and orientation of theopisthe'sadoral zone of membranelles are apparently extraordinary, i.e., the membranelles form an inverted L-shaped stripe extending longitudinally in the elongated posterior cell portion of dividers.
- Subjects
IRISH Sea; CILIATA; SCANNING electron microscopy; OLIGOTRICHIDA; ANIMAL species
- Publication
Acta Protozoologica, 2014, Vol 53, Issue 4, p287
- ISSN
0065-1583
- Publication type
Article
- DOI
10.4467/16890027AP.14.026.2021