Description
Oral polykinetids straight , never sigmoid (Fig . 7) . Note. The species of Tetrahymena identified here on morphological bases are each probably composed of multiple genetically and reproductively isolated species . For examp le, th e Tetrahymena pyriformis-complex is now divided into nominate species by Nanney and McCoy (1976). Corliss (in Elliott , 1973) characterizes other morphological species of th e genus. om G e nus Lambornella Keili n, 1921 Only ora l polykinetid 2 sigmoid; an terior end of polykinetid 1 curved to right ; parasites on cuticle of mosquito-larvae (F ig. 8) . T a l. preparation . (from Small and Lynn , 1985) B. T. paravorax , microstom e. C. Macrostome. ( fr om Dragesco and Njine, 1971) Corli ss and Coats , 1976) CILIOPHORA, HYMENOSTOMATIA part of bar
Type species
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Oral polykinetids straight , never sigmoid (Fig . 7) . Note. The species of Tetrahymena identified here on morphological bases are each probably composed of multiple genetically and reproductively isolated species . For examp le, th e Tetrahymena pyriformis-complex is now divided into nominate species by Nanney and McCoy (1976). Corliss (in Elliott , 1973) characterizes other morphological species of th e genus. om G e nus Lambornella Keili n, 1921 Only ora l polykinetid 2 sigmoid; an terior end of polykinetid 1 curved to right ; parasites on cuticle of mosquito-larvae (F ig. 8) . T a l. preparation . (from Small and Lynn , 1985) B. T. paravorax , microstom e. C. Macrostome. ( fr om Dragesco and Njine, 1971) Corli ss and Coats , 1976) CILIOPHORA, HYMENOSTOMATIA part of bar