Description
Body large, slender, long, highly contractiie; many serial oral polykinetids as a long , often inconspicuous zone, 1/3 to 1/2 body length; two genera. 1970) B. surface. Left side . Contract 1. Ora ... .A. Blepharisma japonicum. (from Dragesco , B. japonicum , schematic . . Pseudoblepharisma crassum . A. Ventral B. Right side . Schematic. . Spirostomum ambiguum A. Elongated. B. ed . b 9 <9 t;? l region usually at least 1/2 body length ; atic kineties spiralled when body contracts .... .... ......... ........ ... .... ........ ... .. ... Spirostomum 418 CILIOPHORA, HETEROTRICHEA 1'. Oral region usually less than 1/2 body length; 2 somatic kineties remaining straight when body contracts ......... .. .. .. ...... .. ... ....... ..... .. . Gruberia
Type species
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Body large, slender, long, highly contractiie; many serial oral polykinetids as a long , often inconspicuous zone, 1/3 to 1/2 body length; two genera. 1970) B. surface. Left side . Contract 1. Ora ... .A. Blepharisma japonicum. (from Dragesco , B. japonicum , schematic . . Pseudoblepharisma crassum . A. Ventral B. Right side . Schematic. . Spirostomum ambiguum A. Elongated. B. ed . b 9 <9 t;? l region usually at least 1/2 body length ; atic kineties spiralled when body contracts .... .... ......... ........ ... .... ........ ... .. ... Spirostomum 418 CILIOPHORA, HETEROTRICHEA 1'. Oral region usually less than 1/2 body length; 2 somatic kineties remaining straight when body contracts ......... .. .. .. ...... .. ... ....... ..... .. . Gruberia