Paramecium 0. F. Muller, 1773 SUBCLASS SCU

Description

With characters of the family (Fig. 12). Somatic cilia as diki NOTE: The "species" of Paramecium distinguished somatic cilia form a here on morphological bases are each probably species ; paroral dik composed of a few to many genetically and stomatogenesis by pro reproductively isolated species. The Paramecium from g segment or a s aurelia-group has been subdivided into such and h segments; many distinct genetic species by Sonneborn ( 1 9 7 5); freeliving or symbiot other species groups are likely to be subdivided in the future, as well as additions made to each group Key t (e .g., P. sonneborni Aufderheide , Daggett & Nerad, 1983) . Allen et al. (1983) suggest a similar subdivision of the P. multimicronuc/eatum-group; and studies by Gilman ( 1 941), Hiwatashi ( 1 9 6 4), and others suggested a similar subdivision into 1. Paroral dikinetid genetic species is appropriate (but not yet done) structures ; no r for the P. caudatum-group . dikinetid tow Loxocephalidae , 1'. Paroral dikinetid oral structure conspicuous ..... 2. Cilia of paroral d (velum) as organi conspicuous ; cyt ....... ......... 2'. No velum ; ribbed cytostome usually oral polykinetid . . . . . . . . .

Type species

Figures

Raw text

With characters of the family (Fig. 12).
Somatic cilia as diki
NOTE: The "species" of Paramecium distinguished somatic cilia form a
here on morphological bases are each probably species ; paroral dik
composed of a few to many genetically and stomatogenesis by pro
reproductively isolated species. The Paramecium from g segment or a s
aurelia-group has been subdivided into such and h segments; many
distinct genetic species by Sonneborn ( 1 9 7 5); freeliving or symbiot
other species groups are likely to be subdivided in
the future, as well as additions made to each group Key t
(e .g., P. sonneborni Aufderheide , Daggett & Nerad,
1983) . Allen et al. (1983) suggest a similar
subdivision of the P. multimicronuc/eatum-group;
and studies by Gilman ( 1 941), Hiwatashi ( 1 9 6 4),
and others suggested a similar subdivision into 1. Paroral dikinetid
genetic species is appropriate (but not yet done) structures ; no r
for the P. caudatum-group . dikinetid tow
Loxocephalidae ,
1'. Paroral dikinetid
oral structure
conspicuous .....
2. Cilia of paroral d
(velum) as organi
conspicuous ; cyt
....... .........
2'. No velum ; ribbed
cytostome usually
oral polykinetid
. . . . . . . . .