Protozoa Guide review

EPISTYLIDIDAE

family / SESSILIDA / EPISTYLIDIDAE

Description

Peristomal disc lacks stalk ; body on non - contractile , abo ral stalk , which may be extremely difficult to resolve with light microscopy (e .g ., Apiosoma); if stalkless , in lorica; solitary or colonial ; seven genera. 1. Solitary ...... ......... .. ..... .. .......... .. ... .. .. ......... .... 1'. Colon ial .... .. .. ................... ..... .. ... .. ... .. ........... 2. With short stalk .. .... .. .... .. .. .. ...... .... .Rhabdostyla 2'. Apparently without stalk, although stalk can be resolved by careful microscopy .. .... .. .Apiosoma 3 . Loricate .. .... ....... .. ........ ... ... ...... .. .... .. ......... . 3'. Aloricate .. .............. ... ..... ... .. ... ..... ..... ... .. ....... 4. Oral cilia make th ree or more turns around peri stomal disc .. ...... ..... ......... .. .... ... Campanella 4' . Oral cilia make < 3 turns around peristomal disc .. ... ..... ....... .... ..... ..... .. ... ... .. ... .... .... ...... . 5. Scapula excentric on aboral pole of telotroch .. .... .......................... ... ........ ....... ....... Heteropolaria 5'. Centrally located scapula on aboral pole of telotroch ....... ...... .... ..... ..... ..... .. ...... .. .. . Epistylis

Type species

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Raw text

Peristomal disc lacks stalk ; body on non -
contractile , abo ral stalk , which may be extremely
difficult to resolve with light microscopy (e .g .,
Apiosoma); if stalkless , in lorica; solitary or
colonial ; seven genera.
1. Solitary ...... ......... .. ..... .. .......... .. ... .. .. ......... ....
1'. Colon ial .... .. .. ................... ..... .. ... .. ... .. ...........
2. With short stalk .. .... .. .... .. .. .. ...... .... .Rhabdostyla
2'. Apparently without stalk, although stalk can be
resolved by careful microscopy .. .... .. .Apiosoma
3 . Loricate .. .... ....... .. ........ ... ... ...... .. .... .. ......... .
3'. Aloricate .. .............. ... ..... ... .. ... ..... ..... ... .. .......
4. Oral cilia make th ree or more turns around
peri stomal disc .. ...... ..... ......... .. .... ... Campanella
4' . Oral cilia make < 3 turns around peristomal disc
.. ... ..... ....... .... ..... ..... .. ... ... .. ... .... .... ...... .
5. Scapula excentric on aboral pole of telotroch .. ....
.......................... ... ........ ....... ....... Heteropolaria
5'. Centrally located scapula on aboral pole of
telotroch ....... ...... .... ..... ..... ..... .. ...... .. .. . Epistylis