Tetrahymena pyriformis

Taxonomy

Domain: Eukaryota () - Whittaker & Margulis,1978
- Kingdom: Protozoa () - (Goldfuss, 1818) R. Owen, 1858 - Protozoa
  - Subkingdom: Biciliata ()
    - Infrakingdom: Alveolata () - Cavalier-Smith, 1991
      - Phylum: Ciliophora () - (Doflein, 1901) Copeland, 1956 - Ciliates
        Subphylum: Intramacronucleata () - Lynn, 1996
        Class: Ciliatea () - De Puytorac Et Al., 1974
        Subclass: Hymenostomatia () - Delage & H�rouard, 1896
        Order: Hymenostomatida () - Delage & H�rouard, 1896
        Suborder: Tetrahymenina () - Faur�-Fremiet, in Corliss, 1956
        Family: Tetrahymenidae () - Corliss, 1952
        Genus: Tetrahymena ()
        Specific descriptor: pyriformis - Ehr.
        Scientific name: - Tetrahymena pyriformis Ehr.

Name Status: Accepted Name . Latest taxonomic scrutiny: 19-Nov-2004.

There are approximately 8 species in this genus:

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Bisby, F.A., Y.R. Roskov, M.A. Ruggiero, T.M. Orrell, L.E. Paglinawan, P.W. Brewer, N. Bailly, J. van Hertum, eds (2007). Species 2000 & ITIS Catalogue of Life: 2007 Annual Checklist. Species 2000: Reading, U.K.
Global Biodiversity Information Facility. Accessed February 28, 2008. http://www.gbif.org Mediated distribution data from provider.

Accessed through GBIF Data Portal February 28, 2008:

The Danish Biodiversity Information Facility: Priest Pot species list, Cumbria, Britain